View Full Version : Quantum Physics
- Quantum Entanglement
- Query regarding representations and Clebsch-Gordan series
- Spin Variable
- Is this a Violation of the Law of Conservation?
- Generalized group for quantum mechanics
- Why with the same classical Lagrangian,there are the difference in symm breaking?
- note to the derivation of Dirac equation
- Bell tests and entanglement fidelity.
- Transition: Classical Mechanics to Quantum Mechanics
- Fatal error in computer simulation (photoelectric)
- Experiment with entanglement
- quantum breakdown
- "Scattering" by a potential
- Confusion over compatible measurements
- Schrödinger equation with spin term
- Does photon loose energy/mass during travel?
- conceptual question on measuring momentum of a particle
- Standard Model Hamiltonians
- is photon a basic unit of information?
- why x and p
- Particle exchange and parity
- Substates don't evolve according to Schroedinger equation?
- Gamma matrices projection operator
- Non-Local Universe
- Struggling to understand the de Broglie equation
- Quantum Defect Theory: Looking for an Understandable Explanation
- Time-Dependent Perturbations in Schrodinger Equation
- DCQE - Why don't we get idler pattern?
- Virtual particles are not matter-antimatter, is it?
- Is this in relation with quantum entanglement...?
- Absolute Zero - No Entropy -Quantum Jiggles?
- A couple of questions about tunnelling?
- Uncertainty Principle question
- simple gamma matrices question
- Structured reservoir
- Bose Einstein condensates
- Quantum fluctuations and space
- QFT vs. Relativistic quantum mechanics
- Can an electron detector determine kinetic energy?
- Fermi energy (density of electron)
- Reverse Quantum Computer
- Where am I wrong?
- Double Slit Experiment
- Double Slit ,a few ?s
- Virtual Particles And Hidden Dimensions
- What is "passive locality"? Bell's Theorem.
- External Field Approximation
- Energy operator in curved space-time
- Elementary particles,0-Dimensional?
- Why is j=0 to j'=0 forbidden by the parity rule if spin orbit interaction...
- the range of (psi) squared is ??
- Scattering of light on objects
- Double Slit and "The Observer"
- Energy Levels and Spin
- Covariant Uncertaintly Principle
- sum over histories, including histories that violate conservation laws?
- Do Lagrangian and hidden symm broken Lagr describe the same physics?
- Do atomic cascades (like in the Aspect experiment) always produce two photons
- Position expectation value in harmonic oscillator
- Is an rgodic state possible?
- Interferences in a Ray
- Scattering phase shift
- Renormalization and gravity
- buckyball
- what is a single particle state?
- Faster light question
- Indices problem in QFT
- laser light interference on liquid metal. why?
- Dynamics in a Quantum Superposition
- Questions on a revised Afshar Experiment
- Heisenburg Uncertainty Principle
- Teleportation
- On the myth that probability depends on knowledge
- Newbie Q on quantum entanglement
- Locality & Determinism beneath the quantum surface?
- Do we need a coincidence counter (for correlation) in delayed erasure?
- Wavelenght of a photon
- Basic Superposition Question
- Right handed or left handed,intrinsic?
- Experimental rejection of all theories with predictive power beyond quantum theory
- What causes deviations between Sun and blackbody?
- Double Slit Secret Unveiled
- Oscillation time in wave function?
- scattering techniques
- What is the meaning of classical and quantum equations?
- Generalized commutation relations
- wave functions and probability densities
- Simple question about anticommutator and spinors
- polarizations of vector/tensor fields
- Quantizable nature of the physical world
- Position doesn't exist prior to measurement?
- What really is a Wave Function?
- I don't get this Path Integral stuff
- What parameters of SM can be changed gradually?
- Hermitian operators
- Discrete/Continuous: Two sides of the same coin?
- Mass & Charge Distribution analysis in quantum system
- Question about spin?
- On The EPR Paradox
- Wave or particle?
- Can you freeze light?
- geometrical consequences and light
- Why some functional integral(in QTF theo)of a product equal product of two the integr
- why does |s=1,m=1> equal |++> ?
- Explanation of double slit experiment.
- Matrix Mechanics & Wave Mechanics
- Quantum Mechanics without Hilbert Space
- "Continuous eigenstates" vs "discrete eigenstates"
- Fermi's Golden Rule
- electron-hole overlap integral for a quantum well
- Violation of Bell's Theorem
- Photon vs Matter waves
- Double-Slit Experiment & Wave Interference
- simple
- The logic of a physical system
- Is QM truly random?
- Question about Bells tests?
- statistical thermodynamics: partition function
- Hydrogen atom - complete orthornormal set
- Does spin change under Lorentz boosts?
- Many Worlds or Many Problems?
- Original EPR Arguments
- Relationship between Imaginary Time Green's function and Average Occupancy
- Transition from bound states to "continuous" states
- classical Bell test
- Relativistic e/p relations
- Hacking Quantum Unbreakable Randomness Scrambler
- Feynman's QED and photon reflection
- Are double slit detectors all electron based?
- Quantum Collisions
- Problems about uncertainty principle
- Difference between Hamiltonian operator and Total energy operator?
- Photons and Polarizers?
- Dirac electron in the box
- Why does quantum entanglement work?
- Why are quantum fluctuations amplified when viewed on a smaller scale?
- Can someone explain HUP with some mathematical rigor?
- Why is the cube of a unitary operator = identity matrix?
- Vile spinors in odd dimensions?
- Schrodinger-Operator equation and control
- Explanation of uncertainty principle
- Can someone explain to me "Locality" in field theory?
- Quantum Vacuum before the big bang?
- Infinite gravity and time on the uncertainty principle
- Length of a one-dimensional box with an electron inside
- von Neumann Chain
- Your Opinion on PEAR
- IRC calculations in Quantum Chemistry
- Entangled particle list
- turn UV divergences into IR ones and viceversa
- Why does the change in one molecule effect the another?
- Co-location
- Representations of the Lorentz Group
- What is after QM Core and before QFT?
- Atomic Orbital Optimization
- What is CP violation?
- Predicting a diffraction pattern without the limiting assumption
- Alternative interpretation of quantum reality
- Alternate Muonic Helium
- Double Slit Experiment - radioactive particles
- spherical-wave state
- Bell's theorem and foundations of statistics
- Is the perturbative theory meaningless in some case despite of the small interaction?
- Do nonlocal deterministic QM theories violate the speed of light?
- Science Research Project- Quantum Physics
- Particle picture is misleading. True?
- "virtual particles" in rigorous quantum field theory
- Positronium vs Hydrogen atom
- Commutation relations (maths)
- Uncertainty Principle and Fourier Transforms
- Boole vs. Bell - the latest paper of De Raedt et al
- Quantum Simulation Program
- Relativistic Dirac equation...
- Expansion around a classical vacuum
- Does partial collapse exist?
- Faster than light question
- two electron relativistic corrections to PE
- The blackbody spectrum
- Co-relation between interference and polarization
- The Myth of Wave-Particle Duality
- Is Planck's constant a paradox?
- have fullerene molecules been (quantum) entangled yet?
- Delayed choice quantum eraser – Yoon Vs Walborn experiment/paper
- Virtual Particle Field Waves
- Normalisation of a Wavefunction
- Independent virtual particle after "mind experiment" annihilation
- Neutron and Photon interaction
- Single particle Interference – Photon Vs Electron Vs Buckyball
- Variable pairs in uncertainty relation?
- Single valley Dirac fermions
- What is Quantum Physics?
- Elementary Hilbert space concepts/definitions.
- Quick Question: Double Slit experiment
- Limits of Macroscopic Entanglement
- Entanglement more primary than Spacetime?
- Eigenvalue problems
- Do particles have well-defined positions at all times?
- Is the spin of a photon necessarily parallel or antiparallel to its momentum?
- DCQE - can we really effect the p photon after s photon has been
- DCQE - inserting eraser after s is detected
- spin waves
- Can absence of hidden variables save locality?
- Three Polarizers
- How much negative energy is that space between two non-conducting plates?
- Observing which-way for fullerene molecules (buckyball)
- Special case of angular momentum components simultaneous knowledge
- Double slit Scattering explanation
- What's the highest spin known??
- Different Variants of Different Interpretations
- Quantum Time Experiment
- Quantum Communication Device?
- what are spins?
- How do you explain the Heisenberg uncertainty principle?
- More recent book than Nielsen and Chuang "Quantum Computation and Quantum Informaion"
- Matching conditions for solutions to the Schrodinger equation
- Help with Definition of <m|n>
- Reality exists when observed, but who is the observer?
- How long does it take for a valence electron being excited to conduction band?
- Thinking Outside The Box About Existence.
- Einstein thoughts on the quantum
- Question about Quantum dot (picture)
- heisenberg's uncertainity
- Mathematics of YM theory
- localisation
- a fermion oscillator interacted with a boson oscillator!
- nonlocalisation
- entropy in isolated quantum systems
- Lorentz transformations on Spinors
- Max Born 1926 Paper
- a question about index notation
- Participatory Anthropic Principle
- Does the breakdown of the wave function need a concsious observer?
- Double-slit experiment (electron gun directionality)
- Bloch Sphere and the 3-sphere
- z component of spin angular momentum quantum number values
- SO(3) and standard model
- IR Spectroscopy
- How are these spin states equalities?
- Why is quantum so fundamental?
- Photons from antennas?
- Why connected correlation function depends on (x-y) only when <Phi(x)> equal constant
- Photons from free electrons?
- What does |u>+|v> mean?
- Virtual particles and screening of charges
- Cooper-pair box
- What is the shape of a photon's electric and magnetic fields?
- Why is g-2 positive?
- Question: Minimum uncertainty in ground state electrons
- what will be the final conclusion?
- Diodes, transistors and valves
- What is quantum physics used for?
- Virtual particles and Gauss's Law
- An integral in Srednicki's book
- 3 particles in a box with spin 1/2
- non-abelian Gauge invariance (chapter 15.1 in Peskin/Schroeder)
- Isometric operators- spectrum preserving?
- Probability of scattering
- Where does photon interference happen
- Communication systems and entanglement
- A Question On Entanglement
- Locality in QM and commutators
- Coincedence Counter in Double Slit Experiment?
- How do I entangle photons? INSTRUCTIONS PLS!!
- Delayed choice with photons - impossible?
- two worlds..both true
- Electron spin entanglements - time-energy uncertainty
- Blackbody Radiation of Boiling Water
- Pictures of "electron etc orbits"
- Wave-particle duality for the electron
- QFT and particles
- why do photons come in quanta?
- First Quantum Computer now Commerical?
- Quantum Entanglement - Example where it can be measured, transformed, purified
- Wavelenghs of oxygen
- wick rotation
- Quantum Entanglement - Reliability
- The theory of discribing fermion dissipative system!
- quantum dot, quantum wire, quantum well?
- Can't Quantum Entanglement be explained as the same particle?
- What's the difference between a fock state and a mixed ensemble?
- Dirac Lagrangian
- Scattering Theory
- Legendre Polynomials and Complex Analysis
- Why would FTL not be possible even in a noiseless place?
- Double slits separation & electron field size
- Quantizating a symmetric Dirac Lagrangian
- Quantum Mechanical systems considered in old QM
- De Broglie wave propagation
- Entanglement and next gen computing
- in DCQE you can get which way and still get interference?
- Common sets of eigenfunctions in angular momentum
- Must have gone through one of the slits
- Do we live in a perfect liquid?
- Random particle movement (with pictures!)
- Extra universes
- quantum physics & synchroization of 2 particles.
- Einstein's Delayed Choice Quantum Experiment
- What can I use as a detector to collapse the wave function?
- Feynman's Derivation of Maxwell's Equations from Commutator Relations
- two Kraus representations: How to check if they're the same TPCPM?
- g-factor of electron, proton, and neutron don't cancel out
- Tools of the Quantum Physicists
- Entangled Atoms and propagation.
- Virtual Particles and the DCE
- Mathematical meaning of measurement
- Basic question regarding the Double Slit Experiment
- Are entanglements the most fundamental existences in the universe?
- How does Feynman "Sum Over Histories" make sense?
- microcausality
- Finding all symmetries of a given Lagrangian
- DCQE - how does/can the pattern change?
- Numerical 2D Harmonic Oscillator
- Planck instant and neurobiology. Could mind exist outside time-courses?
- If H constant were larger
- Role of the Observer
- What are the implications of this experiment?
- MWI: What is the source of Deutsche's 'fungible' instances in the multiverse?
- Is there a direct magnetic interaction between two electrons?
- observer?
- who has the programma used to solve the coupled Dirac equation numerically?
- Superpoincarè algebra and generators: questions
- How do you measure momentum of a particle?
- Eigen functions/values for many-body Hamiltonian with creation/annihilation operators
- understanding DCQE in a Walborn paper
- Two dim. Oscilator
- Is there a 'classical' equation for the strong force?
- wavefunction/eigenfunction and eigen states?
- Simultaneous Causation and Entanglement
- Observing the Average Trajectories of Single Photons in a Two-Slit Interferometer
- What is a probability amplitude?
- Uncertainty Principle in Classical Physics
- Pauli's Exclusion Principle - arbitrary??
- What is the difference between singularity and infinity in QTF theo?
- How to demonstrate the asymptotic charateristic of perturbative QTF Theo?
- A question in one dimensional Schroedinger Equation.
- Tunneling equation...have all the pieces, just can't figure out the calculation!!
- Photon radius and affected energy in double-slit experiments
- The Difference Between Instant Correlation and Instant Communication at a distance
- Photon wavelength shift from gravitational lensing?
- can double slit be explained via phase shift?
- Do violations in CP symmetry/Parity symmetry make the math more difficult?
- DCQE - in a sense....which way contains, no which-way?
- Uncertainty principle and Einstein's thought experiments
- when does entanglement break in DCQE?
- Photon observed to be behaving as a particle
- Quantum Basic Questions!
- Stern–Gerlach experiment?
- wave propagation, resonance and collapse
- Bohr Atom Model-Postulates
- General questions about photons and electrons
- Particle interchange and z component of spin
- Would a real Quantum Computer falsify de Broglie/Bohm model?
- Blackbody radiation
- No more than two electrons in the entire universe can have the same momentum
- Bohmian Mechanics - One Quick Question
- Conserved currents in Mandl & Shaw (section 2.4)
- Quantum Fluctuations
- calculating the momentum of a debroglie wave from its wave function
- Can we attain a disire approxomation for asymptotic perturbative QTF Theo?
- Mirrors in quantum mechanics
- Complementarity
- General Soultions to DE's
- Time traveling electron?
- Quantum Entanglement: Questions
- Blackbodies and Maxwell's Whole Number Wavelength Theory
- Hartree Fock
- DCQE - walborn/yoon do it one way only
- Interferometers with unequal arm lengths
- Numerical real-space, real-time green's functions?
- How are small particles detected (or seen)?
- Simple Integral: Complex exp --> delta function
- Double slit - couple questions.
- Spin-1 Propagator and polarization vectors
- Why can we freely disposal the renormalization conditions?
- explaining DCQE - via coherence in layman terms
- Superposition betweeen Boson and Fermion
- How to get relation for multipole radiation?
- Heisenberg Uncertainty Principle Meaning
- Help with variation in Hartre Fock method
- Super position? or super assumption?
- In Calculus, does the limit somehow describe QP
- Variation of the double slit experiment
- How is there discrepancy between GR and QM?
- Angular-Momentum Quantum Numbers
- Color of gluon jets
- Feynman Diagrams- Not Conserving Momentum?
- What happens if gluon jets collide with atoms
- Schrodinger Eqn
- ONLY three quark colors (and three anti-colors)?
- Dirac spinor and state vector
- Background Indipendant or Dependant?
- Path integral formulation
- Partial Quantum Collapse
- One qubit modeling the universe
- Yet another double slit thread.
- QUICK QUESTION about uncertainty principle:
- Why is probability density = |wavefunction|^2?
- Variational principle in quantum mechanics
- 1D Groundstate wavefunction always even for even potential?
- Only Observables can be in Superposition?
- Possible cause of the Uncertainty effect on leptons
- Macro Entanglement
- EPR Experiment in QFT?
- degenerate perturbation theory question
- emmy nother's theroms
- Are quantum field only calculation tools?
- What are the matter wave polarization parameters?
- Litle help with perturbation theory
- QM interpretation like Many Worlds but with 'real' particles?
- Remote-Sensing Quantum Hyperspace by Entangled Photon Interferometry
- Time dependent Baker-Hausdorf formula
- What happens when a photon meets a virtual photon of the same wavelength?
- Lippmann-Schwinger eq.
- No-cloning theorem and time travel
- And yet another double slit question thread.
- Quantum Entanglement - properties
- virtual particles
- big objects showing QM behavior
- Ghost Imaging - FLT, what is missing here?
- Force of a vacuum
- Mathematics of symmetries
- Photoelectric effect
- Linkage between QM and GR
- Do Bohmian mechanics trajectories for double slit provide which path information?
- FTL and Coincidence counter
- Simple question on Pauli exclusion principle
- Solution of the hydrogen atom
- Proving that an operator is not Hermitian
- Quantum Teleportation equation
- Entangling two Bose Einstein Condensates.
- Nonlocality: correlation vs causation
- Quantum linear response theory?
- Renormalisation group transformation- Peskin
- charge and mass
- Crystal structure and electron energy
- Hawking Radiation
- What really is a Weak Measurement?
- Does space have mass?
- Help with a extract of Schaum
- Fourier transform of scattering hamiltonian
- Do weak measurement prove randomness is not inherent?
- May I suggest an experiment concerning negative energy?
- Entanglement - Does FTL via entanglement violate causality or relativity?
- understanding which-way patterns in DCQE
- How to Prove Momentum Operator is Hermite Operator?
- photon detecting probability
- How to explain the smallness of mass while the mass parameter diverge rapidly in ...?
- entanglement survival percentage - DCQE
- FTL via entanglement- paper discussing similar
- cascaded interference
- Wigner Eckart theorem
- Amateur question about QED and the modern understanding of light
- adiabatic approxmation, estimate of d\phi/dx
- Angular momentum theory problem... probably wrong sign
- Is coherence restored after erasure of which-way info?
- Which properties of the quantum are random?
- What causes the "random" decay of atoms in different interpretations?
- Are there exist a quantum mechanics of absolutely closed system?
- Question about wave function collapse...
- FTL is not possible via entanglement because you need to compare both the photons
- Double-slit question
- Electron spin
- Understanding Hadamard Gates on Quantum Circuits
- Schrodinger Equation in momentum space? ??
- Relativistic Momentum Operator
- How to obtain the formation energy for ZnO nanoribbon.
- The Jaynes-Cummings Hamiltonian
- Energy and momentum operators in QM
- Difference between Compton effect and Photoelectric effect
- Quantum Tunnelling Technologies
- Is entanglement effected by space-time?
- Derivation of Rayleigh–Jeans law
- WHY stationary things START falling: an informal 'quantum' gravity suggestion
- Maximal set of commuting observables
- Rigorous Feynman pathintegral derivation
- collapse of the wave-function of a single photon in the general sense
- Negative quantum states
- Relative intensities of Zeeman components
- void and virtual particles
- otimes notation and tau matrices used in definition of gamma matrices?
- Four fundamental forces. Which one is this?
- Can you "move" particles by cooling them?
- Numerical solution of SE
- Question on shifting field gradients by an angle
- Where can I find English translations of seminal quantum physics papers?
- Temporal Superposition and the Double Slit Experiment
- Photons transmitted through transparent substances.
- Single photon interference time threshold (double slit experiment)
- Is the expectation value of momentum of a stationary state zero?
- something about expected probability
- Quantum Entanglement
- Splitting a single light source into two out-of-phase sources?
- NYT review of "How the hippies saved physics"
- Dirac Notation and completeness relation
- What is Schrodinger cat?
- How does Quantum Physics explain light?
- Construction of Hamiltonian from Casimir operators
- An interpretation of hamiltonians, states and fields.
- quanta/s vs einstein/s. what is the difference?
- do we have any proof of entanglement other than bells inequalities?
- other (wave) state still there after collapse?
- the pattern is not just both slits?
- Do planck frequency photons form near black holes?
- Observers and Measuring Devices
- Lagrangian, Hamiltonian and Legendre transform of Dirac field.
- Thermal Radiation v Absorption of Light
- understanding 1. single photon and 2. entanglement states
- a question about the minimal vertex possible
- More Support for The Copenhagen Interp.
- Coupling Using Theta as a Boundary
- Proof: Operators with same expectation value
- Surface plasmon fields
- No non-locality after all in QM?
- How and where does a de Broglie wave propagate?
- do electron energies (in atoms) have fixed values, or only fixed expectation values?
- Half-Silvered Mirrors Inverting Photon Waves
- Tracking Particle Counts in Double Slit Experiments
- State space, beginner's question
- Pauli matrices
- do all which-way attempts/techniques introduce phase difference between the "waves"?
- Could hidden dimensions help "hidden variable theories"?
- Stationary States: Differential Equations Issues
- QM avoiding representation
- The GRW Flash Theory and the Conway-Kochen ‘Free Will’ Theorem
- Problems by considering that a measurement produce a collapse. (causality violation)
- Probability and Areas Around Atomic Nuclei
- How do you explkain the difference of labels and dynamical variable?
- 'Quantum Magic' Without Any 'Spooky Action at a Distance'
- do photons interact with neutrons?
- what is useful of 2ed Quantization in laser
- derivation of creation and annihilation operator commutation relations
- Can/do relativistic effects explain select quantum "phenomena"
- Mechanism for FTL information exchange.
- time travel and paradoxs
- Looking at Fe-pnictide crystals with ABINIT software
- macro objects and superposition of states
- Are space and time really quantized?
- Elitzur-Vaidman Bomb Problem
- Renormalisation group - Which critical points are usefull in a RG flow diagram?
- Some problems about Quantum tunnelling
- Energy of electrons.......
- vacuum fluctuations
- Information's relation to Time and Mass
- What causes particles to become Quantum Entangled?
- Angular Momentum Question
- Multiverse/Parallel universes
- observables and eigenvalues
- iterated dimensional regularization
- Quantum mechanics and electrons.......
- The interference term. Confused.
- Hydrogen atom in ground state: some puzzle
- Negative Resistance in Resonant Tunneling
- Photons Visualized
- Things that self collapse or self measure
- Y-Bjorken
- Why is the de Broglie wavelength sometimes larger than the particle it describes?
- Interference between different kinds of particles
- POVM's
- Huygens-Fresnel Principle in QM
- How QTF Theory solves the infinite electromagn selfenergy of electron?
- Quantum tunnelling decay time
- line spectrum of hydrogen.
- Does quantum mechanics say everything is random?
- entanglement and decoherence: middle-brow treatment?
- What is the sense of Ehrenfest time?
- Eigenvalues of Hermitian opertors
- quantum view of gravitational waves
- Why the electromagn potential obeys Callan-Symazik equa like Green Function?
- Bell unequation and Bohm hidden variables
- Time derivative of schrodinger equation
- calculation of particle life span
- using the double slit experiment to predict our own actions
- Why are forces in quamtum mechanics given by the derivative of the energy eingenvalue
- Spin of a proton from its parts.
- About cosmological quantum rectangular barrier potential
- The role of probability in Quantum Physics
- My derivation of the Shrodinger Equation
- Srednicki 43.10
- Photo electric effect
- 'Quantum grains' smaller than 'Planck length'
- Solving schrodinger equation for quarkonium
- Nuetron Interferometry in Ballentine
- What is the difference between classical and quantum law?
- FTL-gedanken experiment
- question about interacting fields
- so at what direction do Quarks spin ?
- Energy and volume
- Bose Einstein Hydrogen
- Interaction picture
- Klien Gordon Equation solution under Lorentz transformation
- How we see things, relating to Crystal field theory.
- Quantum Physics: Theory of Entanglement
- Moseley's law
- To understand how spherical harmonics apply to integer spin but not half integer spin
- Hartle: QM of Individual Systems (1968)
- A couple of qestions on QM
- intro path integral qm
- Time Symmetric Interpretation
- Spin and entanglement
- tunneling effect or barrier penetrability
- Vector Representations of Quantum States
- How to calculate Clebsch-Gordon coefficients
- Quantum phenomena as emergent property in networked computer simulation?
- What is the meaning of uncertainty principle in QTF?
- Dirac delta
- States of Composite Systems, p. 216: Ballentine
- Computer program simulating the eraser experiment
- Double-Slit time reversal leads to fractal multiple universe theory?
- Relativistic corrections to Schrodinger's equation
- Ryder QFT 2nd ed. page 341 misprint?
- Delayed Choice Quantum Eraser Experiment with a Black hole
- Quantum entanglement and Two slit experiment
- A question about wave function
- A question on Virtual Photons, and QED
- Proof that Entanglement Cannot Increase the Capacity of a Noiseless Classical Channel
- Time invariance of Schrodinger equation
- The probability meaning of the value of quantum field?
- Unceartianity and virtual pions.
- How does Quantum Physics solve the ultraviolet catastrophe?
- Fermat's principle
- Photon flight times and the uncertainty principle
- Feynman paths and double slit experiment
- Time-dependant perturbation theory & "transitions"
- can we influence the outcome of a photon?
- Salt Water Swimming Pool Question.
- Vector Potential applications in Aharonov-Bohm effect
- Questions about Schrodinger's equation?
- Electron diffraction diameter measurement
- Thoughts on "realistic" model of electon Zitterbewegung
- absolute zero and information
- confusion with Bohr's theory.
- Klein-Gordon field is spin-0: really?
- Phase shift of tunneling particle
- Simple Stern-Gerlach question
- Rotation group representation and pauli matrices
- what is spin?
- space/time expansion and quantum world
- Best QFT text for self-study
- cluster radioactivity-- want to know more?
- A paradox in commutation relation
- A query on the (old) motivation for renormalizable theories
- which-way in mach-zender
- Black Body Radiation & how it works?
- heisenberg uncertainity principle
- Question about Orbitals in an Atom
- dual vector space
- QED and light traveling in straight lines
- Commutative operators and obserables
- Photoelectric Effect after Passing through Double Slit
- I really need a definitive answer to the HUP/vacuum/pair production problem.
- What is the objective of renormalization group theory?
- Perhaps we do see quantum behavior at the macroscopic scale
- Need help for solving an operator equation
- Is the electron's energy changed when the infinite potential wall moves?
- Entanglement in delayed choice quantum eraser (DCQE)
- Tensor gymnastic in Noether's Current
- Causality in quantum mechanics
- Confusion (1) from Weinberg's QFT.(unitary representation)
- What is a negative magnetic moment?
- What happens to an atom?
- are the two wave functions from a double slit (in single particle int) entangled?
- quantization of space-time
- Maxwell equations in quantum mechanics
- Why do they only consider S-matrix in QFT?
- What is configuration space?
- In one dimension there are no degenerate bound states?
- Free particle - Eigenstates expansion
- multiple double slits in series (not parallel)
- Clarification between electron cloud and a wave
- What does "oberserve" mean
- Elements of a vacuum
- optical coherence
- Is the quantum realm well-defined?
- Heisenberg picture describes emission, Schroedinger picture does not
- motivations for plum pudding model (advanced)
- How do we know which is strong,weak force with considering Lagrangian?
- A very simple question on quantum entanglement
- Low energy quantum gravity
- Questions about Bell's Theorem
- Nature of photon spin
- Electron's vanishing act
- can a single photon have different kinds of polarization?
- Where are Pilot Waves located?
- Does the cat collapse itself?
- fields
- What does it mean for an object to absorb or reflect light?
- Maxwell's equations hidden in Dirac's equation?
- How were electron density clouds established?
- What is electron emission or absorption of a photon?
- Treating phi and phi-dagger as independent
- Uncertainty Principle
- Behavior of Photons During Reflection.
- Delay of virtual particle pair annihilation
- What is the strongest interaction principle and by how much?
- Question on Neumaier's FAQ
- wavefunction collapse on degenerate states
- Kronecker symbol
- Pair production: Has it been observed experimentally?
- Could Observation Equal Mass?
- How many universes in multiverse?
- The wave equation
- Do speeds of propagating of all interactions have the same value c?
- The virtue particle is mass on-shell or off-shell?
- What is generating functional and vacuum-to-vacuum boundary conditions in QFT?
- Are QM operators also tensors?
- What does it mean, "Electron absorbs a photon" ?
- Pair Production and Mass Energy Equivalence
- Low energy photon - electron collision
- accelerating electron emmits a photon?
- super cold gas wave function
- Closed-Form for commutation relation between powers of raising and lowering operators
- Uncertainty and The Double Slit Experiment
- Potenitial well
- quantum states as scalars
- Confusion (2) from Weinberg's QFT.(Little group))
- Hilbert space metric tensor?
- what is it about position and momentum that forbids knowing both quantities at once?
- Using Quark-Gluon Plasma as an Energy source
- Planck's quantum theory question
- Confusion (3) from Weinberg's QFT.(photon's angular momentum or helicity)
- Explanation of Multiverse Past in Quantum Mechanics
- Photons from black body spectra
- Carbon energy transition levels
- Are there 'complex' numbers in classical mechanics?
- Weinberg Chapter 2 Little Group Q
- Weinberg quick question on chapter 2 zero mass
- Applicablilty of the Wheeler-DeWitt equation
- Why does the l quantum number depend on n?
- Question on nuclear magnetic resonance and Larmor frequency
- Paper presentation on Quantum Computers
- Qualifications of an "Observer"
- Meaning of `bare Lagrangian'
- Callan-Symanzik equation in dimensionally regularized scheme
- Some questions about quantum mechanics in NMR
- Quantum Entanglement - Two Places at Once
- Paradox: The infinite square well vs. the Uncertainty Principle
- Question about electron diffraction
- How repulsion works?
- Continuous dual space and conjugate space
- Angular Mumentum: Question for my exam tomorrow
- deriving expressions for creation/annihilation operator!
- Explain phase change of an EMW in terms of photons.
- Rigged Hilbert space
- Time independence of probability amplitudes
- where can I find the lecture of quantum entanglement part2 form stanford open course
- Logical inconsistency in standard model of entanglement
- empty spaces and virtual particles in atom
- Is determinism false?
- Could there be Anti-energy?
- basic quantum probability question
- Concept of Probability Wave
- Fundamental Forces and Lie Groups
- Spooky Action at a Distance / Tachyons?
- Vacuum Energy Form (aside from gamma rays)
- Is the cosmological constant equivalent to vacuum energy?
- Srednicki ch67
- Quantum Behavior of Electrons
- Heisenberg's Uncertainty Principle
- Ballentine Solutions?
- probability waves
- level degeneracy of the transverse ising model
- How important is Bell?
- Continuous EM fields vs. fixed freq photons
- Derivation the Partition function in NPT Ensemble from the canonical Ensemble
- Schrodinger equation and atoms
- Representations of Symmetry Operators
- uncertainty principle
- Are forces two dimensional?
- What's in the schrodinger wave equation?
- How is the many worlds interpretation of QM related to the multiverse theory?
- Synchronized Bosons and Entropy.
- Many worlds in a single infinite universe
- Degeneracy in Quantum Mechanics
- Confusion (4) from Weinberg's QFT.(Time reversal))
- Number of different ways, particle with E and delta_E.
- An Experiment Showing Entanglement Communication into the Future
- How are atoms entangled and can it be done remotely?
- Fermi golden rule
- Ehrenfest theorem and the hydrogen atom
- Integrating infinitesimal conformal transformations
- In the future, could pure spin current be used to drive electromagnets?
- Equation problem. How to elimintate t?
- how to model a classical bath?
- BEC's and cryonics
- A few questions on Entanglement.
- Wheeler's Delayed Choice Experiment
- A Little Trick for bra-ket notation over the Reals
- Is quantum field theory the return of the ether?
- Angular Momentum and Expectation Values
- Do entangled systems have parts?
- Coupled Harmonic Oscillator
- Range of validity of the Schrodinger equation
- Dcqe
- Harmonic Oscillator problem
- Ground state oscillation freq. of H2?
- squeezed coherent states- amplitude and phase
- Normalizing the wavefunction
- Quantum teleportation of macroscopic objects
- Time development of a wavefunction
- In Electron Spin Resonance, Does Spin Up Have More Energy Than Spin Down?
- Why in two dimension space many QTFtheory become renormalizable?
- Too few examples to explain "The principles of quantum mechanics" by dirac.
- Static Electric Field
- Photon emission.
- Exchange of virtual photons
- BEC- Gross–Pitaevskii Solution?
- Time-dependent perturbation theory
- Quantum mechanics and Minimal coupling of Dirac field
- Psi from probability density
- quantum cascade lasers
- Proof that micro black holes can't exist?
- Chaotic quantum billiards on a torus.
- Expanding a ket in the basis of different Hamiltonians
- What determines if the photoelectric effect occurs?
- Quantum Interference in tunneling electron transport?
- Can anyone explain energy levels of an Atom?
- The coulomb interaction in QFT
- Photon Exchange - Frequency? And uncharged antiparticles
- Wave superposition nothing more than abstraction?
- why there is 2[itex]\pi[/itex] in every dirac delta function
- Simple questions on uncertainty principle
- What does "show solutions to the schroedinger eqn" mean?
- Is the vectorial representation of the Lorentzian Group unitary?
- confused over units
- decomposition of vector potential
- Conservation of energy after measurement
- Confusion (5) from Weinberg's QFT.(invariance of S-matrix)
- Confusion (6) from Weinberg's QFT.(in and out state)
- Is a polarizer a filter or a converter?
- Hydrogen Atom in Magnetic Field
- Why correlation function decay as power law at critical temperature point?
- Counting the states of a free particle (Periodic boundary conditions)
- Please help me find "Entropy and Temperature of Radiant Heat" by Max Planck
- Do photons carry information?
- Why isn't kinetic energy considered a fundamental force like the other four?
- Can an antiproton(negatron) "orbit" around a regular nucleus?
- Fock space versus Heisenberg Algebra
- "Virtual particle" in path integral and perturbative approaches
- Difference between de Broglie waves and the normal waves which transfer energy?
- collapse and creation of wave function
- Possible States of n Qubits as opposed to classical bits
- Compton scattering
- Addition for generators of rotation
- How do you "observe" the position of an electron?
- De-Broglie equation proof
- Walborn and ’FTL’
- Detection/Annihilation
- Number of Photons In Each Section
- Find the eigenvalues of Liouvillian
- Interpetation of wavefunction - atom
- why do electron-electron-interactions raise the energy level?
- Shooting an electron at an ion's nucleus
- Question about Lagrangian in electromagnetic interaction
- Quantum Computing what is it?
- MacroEntanglement and Consciousness
- Virtual Particles and The Law of Conservation of Energy
- Active topics in QM
- Quantum mechanics and causality/determinism.
- 3D unitary transformation
- Entanglement – the order of measurements can be important
- Simulation of Grover's Quantum Database Search Algorithm
- spin and fundamental group
- Feynman's third general principle of QM
- How to quantize the ''mathematical'' fluctuation field in statistics?
- Quantum filed theory in 1+1 dimension
- Solutions to the Harmonic Oscillator Equation and Hermite Polynomials
- Non-diagonality of Dirac's Hamiltonian
- Deriving a wave function
- Photon Polarization
- Does Bell's theorem imply stronger or weaker correlation?
- Determine frequency of emitted photon
- Maxwell's or Schrodinger's Light Wave
- normalization factor in wave equation
- Bragg planes seem imaginary
- one electron two slit exeriment when one eletron is emited after 1 hour
- Use of Dirac Bracket
- Problems with Many Worlds Interpretation
- What does light-shifted mean?
- Uncertainty principle
- Can an electron collide with the nucleus of an atom?
- Understanding Red Shift
- Frequency of light photons
- Question on the representation of Poincare algebra generators on fields
- A bunch of basic questions on electrons
- Quantum coherence and neutrino detection
- Momentum in Stern-Gerlach
- Current canceling in Neutral
- Can time be quantized?
- Quantum Computing
- Complex Scalar Field and Probability...Field
- Weinberg QFT I: Lorentz Transformation with interaction
- angular part of wave function
- Dirac particle in a spherical potential box
- Does a modulated electromagnetic wave contain photons of different energy?
- Electromagnetic Potential as an Observable
- Creation/Ann operators acting on <x|p>
- measurement of momentum
- H|0> = 0? Does that mean that zero-point is ZERO?
- double slit experiment & time (action at a distance?)
- ferromagnetic transformer
- Why do we not call the effective potential(QFT) being density of effective action?
- New macroscopic entanglement
- motion of a photoelectron
- How is functional analysis used in quantum physics?
- How does a photon gain momentum?
- Schrodinger Equation for a Bra Vector
- A question about normal ordering (regarding Weinberg's QFT Vol 1. p. 200)
- Dimensional Regularisation - Contracting/Commuting Gamma Matrices
- Derivation of the Peierl Substitution
- Why does a photon emit discrete frequencies of light?
- DVR method
- Does particle at rest behave as wave?
- Commutator
- problem of scatter amptitude
- Photons, what makes them a act like a wave?
- Planck time
- Cant understand similar proof Quantum numbers from PDE (pdf attachment!)
- Adding angular momentum
- Operator product expansion
- Pauli Exclusion Principle
- Fock spaces?
- Using the Double Slit Experiment & encoding photons with binary data
- Absorbing Photons
- Particles and position
- Why they often consider zero mass limit when considering mass evolution(renormaliztn)
- two body scattering problem
- What causes wavefunction collapse?
- Wavefunction collapse
- How to derive a numerator relation in vertex correction in Peskin p191
- Pauli matrices forming a basis for 2x2 operators
- Degenerate Perturbation Theory Wavefunction Correction
- Can an atom be anywhere in space?
- Entanglement between the Future and the Past in the Quantum Vacuum
- Wave nature of electron, interference and standing waves
- Consciousness causes collapse
- Eigenvectors of the Hamiltonian
- What does "quantum mechanical" mean?
- Could a high electric field pull particles out of the vacuum?
- Can macroscopic objects interfere with themselves like quantum particles?
- Canonical Commutation Relations: Why?
- I need an explanation behind this calculation
- Measurement of (brightness of) double slit experiment
- Confusion (7) from Weinberg's QFT.(Why is there a vacuum field)
- Critique of the quantum suicide experiment
- Question on Uncertainty Principle
- Dispersion relation and group velocity
- how do electrons couple to gauge field?
- Need an Exact Explanation of the Double Slit Experiment
- quantom scattering theory
- QFT confusion..
- When and how does entanglement end?
- quantum states and complex numbers - newbie question
- Path integrals and foundations of quantum mechanics
- alternative histories and photon
- Black body radiation
- Is superluminal communication possible?
- Question about applying the Pauli Exclusion Principle
- Do you have to use a Beta-barium borate crystal in order to entangle photons?
- Why we call ''nonlinear'' sigma model?
- Problem about scattering amptitude
- Do we have Any idea why the uncertainty principle occurs?
- degrees of freedom
- Is this a reasonable analogy for quantum tunnelling?
- Born rule derived from pure QM by Max Tegmark
- Layman's question on Quantum decoherence
- N's in Quantum Mechanics
- Why frequency (and not intensity ) is the responsible for starting photoeletric eff
- Perturbation theory - need a couple of articles
- Position Representation in QFT?
- Quantum Teleportation of 3D objects
- The Nature of Matter Waves
- What is the origin of infrared divergence?
- Splitting photons are entangled?
- Conjugate of amplitude with imag. # in exponent and out of exponent?
- Probabilities & Particles
- Commutators on a discrete QM lattice = ???
- Vibration of Photons
- Are emission and absorption reversible due to the reversibility of Maxwell's equation
- Vacuum energy calculation
- Time evolution operator - Confusion
- Energy as rate-of-phase-change
- Double-slit detector
- interference or non-interference
- Do minute blackholes exist?
- Can one identify the vacuum state of a photon?
- Question about Ising Model
- How to show only multiples of unit energy are allowed in QHO by ladder operator
- In linear and nonlinear sigma model the hidden symm broken is inevitable happened ?
- Schrodinger equation?
- Electron Proton Repulsion
- knocking of electrons
- Few questions on Dirac's Principles of QM.
- Examples to Principles of QM by Dirac
- Quantum Entanglement and the Big Bang
- Excited state
- Does QM ever violate classical probability theory?
- Are there other options to entangle photons?
- QM Text with many worked examples
- Spectral Scattering
- Wave-Particle Duality
- Could elementary particles be quasi-particles?
- Mixed state vs. pure state
- Why dimensionless coupling in nonlinear sigma model corresponding to temperature?
- Measurement in QM
- Anyone familiar with Srednicki ch72?
- Chain rule for commutator (Lie derivative)?
- Virtual particles...
- Expansion of a wave fuction in energy eigenfunctions
- Quantum Entanglement - Equal Energy?
- schrodinger equation
- How do you entangle particles?
- What is flavor physics?
- thermodynamic
- Does electromagnetic radiation occupy space ? How much?
- Radial Probability Distribution Curve for Hydrogen Atom
- Critical Exponents for Quantum Phase Transitions
- Casimir effect on singularity
- 4 or 5 quantum numbers
- Why are some chemicals more reactive?
- Particle in a box - why must wave function be continuous?
- How did Niels Bohr obtain ΔT •ΔE > h?
- Why/how does energy change when measuring position?
- Going from system & observable to hilbert space & operator?
- Experimental Verifications of the UPs?
- Is the Hawking vs. Sussking debate still unresolved?
- Dirac Gamma matrices in the (-+++) metric
- Please help. What's new in computational methods for quantum physics as a project???
- Degenerate spectra, measurement and lack-of-knowledge density matrix interpretation
- Continuous absorption
- Quantum Transmission Coefficient
- Is there such thing as an anti-photon?
- Proca Lagrangian (Math troubles with four vectors)
- Quantum Information Theory
- Time-independent Schrodinger Equation
- Trace of higher powers of Density Matrix
- adjoint of a bra-ket
- Is inner product a measurement in quantum computation?
- Lowest Landau Level Resistance Quantization
- Interpreting von Neumann Entropy in Schrodinger's Cat-type Experiment
- post-measurement states in generalized probabilistic theories
- question on Russell-Saunders term Symbols
- Is the unitary operator unique?
- Question about momentum space fourier transform
- Quantum Mecanics unifing with General Relativity in 5D
- Very Basic questions on bra-ket notation
- Schroedinger's Equation for Electromagnetic field induced by charged wire
- What is Planck's Quantization of Energy?
- High energy virtual particles
- Many Worlds interpretations and Groundhog Day
- Orthogonal Eigenfunctions (Landau Lifshitz)
- Help me understand the indeterminacy of qm
- Schrödinger's cat, no superposition
- Large Scale Uncertainty Principle
- Lie Derivative and acceleration
- Path Integral in first and second quantization
- Question about Hilbert space
- What is application of nonlinear sigma model?
- How do I move from QM to QFT and beyond?
- Ehrenfest theorem
- Is Entanglement related to Gravitational Fields?
- When does quantum mechanics turn into Newtonian mechanics?
- A particular representation of gamma matrices
- Entanglement Between Different Types of Particles?
- Does anyone have information on how exactly a atomic clock works?
- Quantum mechanics and expectation values.
- Probabilities & Observed Reality
- Logic gates in excitonic single quantum dot qubits
- Bell's Inequality: Must we ditch locality, realism... or something else?
- Equivalent expressions
- |n=0> photon number state
- Energy and Measurements
- Special conditions of a wavefunction?
- Scattering states confuse me.
- Quantum Harmonic oscillator
- Infinite Well Problem - Time Independent Schrodinger's Equation
- Why the renormalization group flow depends only the basic symmetry,but not Lagrangian
- The Flash quantum tunneling vibration problem.
- Uncertainty principle paradox
- Double Slit Experiment With Detectors
- born oppenheimer approximation vs adiabatic approximation
- About a kinetic of a particle
- Kohn-Sham Eigen values????
- Conceptual introduction QFT
- traveling harminc oscillator
- how to represent operator in matrix form
- Question about atoms
- space
- Local superdeterministic hidden variables - in Physical Review Letters
- dipole approximation in acceleration form
- Charged particle and virtual photons
- To find the linear momentum of a function
- Trying to understand Schrodinger's Equation
- electronic configuration
- X-ray diffraction in the presence of electric potential
- On Van der Waals Forces
- WOW! [Possible] Non-local neutrinos at CERN!
- Basic Double Slit & DCQE questions
- Dirac Delta from Continous Eigenfunctions
- energy from schrödinger equation
- Non-Local Dynamics
- Must we add QED correction to perturbative QCD?
- Interference between the particles
- The m->0 limit
- Relation between coherent and Fock states of light
- Neutrinos faster than light speed? What do you guys think?
- Quantum Entanglement and Useful Information
- What is a position measurement?
- eigenvalues for the power quantum potential
- Questions about rigid rotating dumbbell molecule
- electromagnetic field( though could be any field) produced by a quantum particle
- Quark decay and particle materialization
- Gaussian wave packets
- Electron and Neutron
- How is momentum conserved when a particle/antiparticle pair is created?
- Momentum Measurement Confusion
- Additional understanding needed on proof involving Hermitian conjugates
- Does wave function of an entangled particle collapse instantly?
- Angular momentum in bracket notation
- Bose-Einstein Condensate
- Wavefunction collapse and dirac delta functions
- How does tourmaline produce negative ion ?
- Issues With E = Mc^2
- do particles really emerge from the vacuum at random?
- Grassmann number and anti-commuting c-number?
- Identity operator
- So if spin isn't really "spin"...
- Heisenberg's uncertainty principle and 2 papers
- Multiple delta function
- Quant.num.
- Observing the double slit experiment with ur eyes open or closed change the result?
- Single Photon/Indistinguishabiliity principle experiment
- How are probabilistic equations of physics usually formulated?
- Trying to understand Heisenberg Uncertainty Principle in a physical sense
- Quantum consciousness is ruining my life!
- Why does the atom not fold onto itsef?
- Are points of spacetime unique?
- Theoretical Particles @ Planck Scale: Is there a maximum wavelength of light?
- Is this a good analogy to quantum entanglement?
- Spin and polarization
- Of waves and particles
- Quantum fluctuations at different height.
- Orthonormal wavefunctions?
- Is decay of Z or W bosons exothermic?
- section 1.4 Normalization
- What does magnetic moment mean exactly?
- Magnus Expansion and gaussian stochastic process?
- How to interpret wave function as a matrix
- Eigenvalues and eigenfunctions of Hamiltonian written in terms of ladder operators
- Pure States vs. Mixed States?
- Albert's narrative argument against Everett-type theories
- If time travel is possible does it allow for violation of the no clone theorem
- Heisenberg's Uncertainty Principle, Determinism and Free Will
- Dirac's papers disappeared from archive.org?
- The volumn of the electron
- De broglie wavelength for ordinary objects.
- Point-like particles, Lorentz invariance and QM/QFT
- Operator number
- Under what conditions will wave functions collapse in double slit experiments?
- Effective mass of holes and electrons
- What Happens to the Photons in Destructive Interference?
- Clear and thorough development of the step potential wave function
- How do 6 quarks manifest hiden SU(2) symmetry(together SU(3) symmetry)?
- What does the wavefunction of an unbound particle looks like?
- Struggling with Tunnelling
- Dyson Istability
- Sample Space for Free Particle in the general case
- Quantum state with well-defined position and momentum?
- A question on the Aharonov-Bohm effect
- Why ignore the potential term in the quantum Hamiltonian?
- Polarization 4-vectors to get matrix element in QFT
- How to couple the angular momenta of a massive particle and a massless one
- Does only light have quantized energy.
- Charge attraction inside an atom
- What's the kinetic energy uncertainty for gaussian wave packet?
- Interpretation of De Broglie's wavelength ( matter wave ) for macro objects?
- Choice of dirac matrices..
- Principles of QM by Dirac
- Normalization of a free particle quantum state
- gauge invariance of QED if the photon has a mass
- Basic Question About Quantum Theory
- Alignment of Spin in const magnetic field.
- Does a photon's complex 'amplitude' rotate along its journey?
- Why does the inner produce in Hilbert space use fg* and not f*g?
- pion as a goldstone boson
- Dirac delta function in reciprocal function
- Why an electron never falls into a nucleus?
- Half integer orbital momentum, following Griffiths
- Phenomena only explicable via QM
- 1D delta funtion potential well
- Photon Teleportation
- Inner Product Space
- How to realize the stern gerlach experiment ?
- Normalization constant for orbital wave functions
- quantization of electromagnetic field
- Two particles with parallel spins?
- Confusing step in Sakurai Chapter 1
- Quantum mechanics or quantum theory?
- Resolution of the Identity
- Quarks effective masses and the pions
- How is quantum entanglement a fact?
- Are there any good Quantum Mechanics books provide lucid explanation on Scattering?
- Discrete eigenvalues and their eigenfunctions
- Can someone explain the quantum eraser please?
- Mechanics of Stern-Gerlach Experiments Question.
- Vacuum fluctuations and QM
- probability distribution of classical momentum
- Problem with Talmi Transformation
- Is Heisenberg uncertainty principle a problem of our measuring techniques?
- Franck Hertz experiment
- Does QM end Free Will/ Determinism debate ?
- double slit
- Greiner Mueller's QM II Symmetry
- Interpretation of Light Beam Intensity in QM
- Momentum and Translation operator.
- Specific technical definitions of quantum terms
- Derivation of the photoionization cross section
- separation of variables for non-central potentials
- A question regarding a Hamiltonian.
- Superluminal quantum tunneling
- box normalization of plane wave
- Can someone clear up the implications of Planck units once and for all?
- link between quantummechanical probabilistics and entropy
- Susskind, superposition and interpretation
- Superposition of harmonic oscilators
- Eigenvalues and ground state eigenfunction of a weird Hamiltonian
- When to use which operator
- orbits and orbitals
- What does "to observe" mean?
- Hamilton-Jacobi Equation related to Schrodinger??
- What does POVM mean?
- Does Spin Have Rotational Kinetic Energy?
- Energy eigenstates
- What is a Quantum Wave?
- Quantum Statistical Mechanics
- Lorentz Invariant Volume Element
- most probable radii in hydrogen....?
- Entaglement/Casaulity Paradox
- Mathematics of Quantum Mechanics
- Double slit?
- How to do wick rotated surface int (srednicki ch75)
- Planck scale
- Physical Meaning of Bra-kets
- Representing the state of a quantum system in different bases
- Molecular orbital analysis - d0 complexes
- Quantum Model of an Atom with more than one electron
- Can someone debunk this?
- Quantum Fourier Transform of Periodic States
- Lippmann-Schwinger equation
- Wheelers Delayed Choice Experiment?
- Zurek's Born rule derivation
- This cant be true!!!
- photoionization...what will happen to compounds??
- Th moon is still there right?
- Light waves, photons; sound waves, phonons; water waves, "hydrons"?
- Operators and Commutators help
- Probabilities in Quantum Mechanics
- Why QFT is asymptotic theory but still being very useful?
- Define quantum mechanics
- De Broglie–Bohm pilot wave theory
- Opposite spin of entangled photons
- photon polarization and 1/2 wave plates
- weyl ordering of the hamiltonian
- Question on perturbation theory
- Ion entanglmet!
- Single slit interfernce with large particels!
- Sokolov-Ternov Effect
- Relative quantum states of isolated systems
- Mass Defect
- Ground state radiation question
- Energy level of hydrogen atom -- with the electron replaced by a positron
- Six Superheavy Gluons
- Faster than light in Quantum mechanics?
- A thought on Heisenberg Uncertainty Principle
- U(1) breaking
- Identical particles
- anomaly SU(5)
- Holographic principle as an answer to few mysteries
- Modelling non ideal apparatus in quantum mechanics
- Properties of Light and its Relationship to Strength
- What should we use to express free particle in Quantum Mechanics?
- Can this classical double-slit experiment duplicate loss of interference?
- Schrodinger equation
- Sum over histories
- why do the forces of nature act on each other?
- Light bulb
- The real meaning of probability density?
- Re submission Modelling non ideal apparatus
- Quantum Entanglement FTL Thought Experiment
- Calculation in Peskin&Schroeder QFT book
- Quantum Perturbation in H-bar
- Wondering about quantum information and phase factors.
- Schrödinger's equation and line width
- are anomalies bad or good?
- Absorption of light
- we make the world by participating in it
- "Measurement disturbs the system."
- A couple of questions about quantum mechanics.
- Decomposing the direct sum as direct product
- Randomness and divergence of momentum
- Schrodinger's Equation & Measurement
- Making photons attract?
- What is the Cohesive energy ?
- Grover's algorithm
- The Exponential of an infinite sum
- UIUC Laser-microphone
- quantisation of orbits of atom
- Tensor products of representation - Weyl spinors and 4vectors
- Rigged Hilbert Space's And Quantum Mechanics
- Dirac Equation for H atom - what's the small r behaviour?
- Ballentine's Ensemble Interpretation Of QM
- Chrial gauge theories and anomalies(Srednicki ch75-76)
- weak force vertex factor V - A
- 2pz orbital nodal plane...?
- QED the Strange Theory of Light & Matter
- Path integral for a particle coupled to a magnetic field
- Probability Current: from plane wave to wave packet?
- Double Delta Function Potential
- Quadrature operator
- weak force and axial vector coupling
- Many Paths = Huygens’ Principle?
- Landau levels and bohr model
- Ehrenfest theorem
- Question Regarding Harmonic Oscillator Eigenkets
- "Expectation value", a few questions
- Would constructive interference still happen if no mirror at confluence point
- Uncertainty time/frequency
- Quantum Information and Brain neurons
- probability of hand through a wall vs an electron
- Grilling the Double Slit Experiment
- Particle and wave interaction
- Why doesn't wave function collapse contradict Schrodinger equation?
- MSbar Renormalisation + Gamma Functions
- quantum systems without a classical limit
- Transverse Susceptibility, and doubts about retarded/advanced Green's Functions
- Unified field theory impossible?
- Schrödinger equation for particle on a ring in a magnetic field
- Energy spectrum from a hamiltonian
- As per Japanese physicist (Masahiro Hotta), energy teleporation is possible
- Can magnetism exist outside of any non-inertial motion, such as spin?
- electron centripetal acceleration
- Non-invariance under 2-Pi rotations?
- Does Quartz vibrate without applying voltage?
- Interference of electron waves in an atomic orbital
- Maxwell's equations and Quantum Physics
- Fluorescence
- Is it "Information" or "Interaction" that "Observes"?
- Electron emitting a photon
- matter emerges and perishes
- A question for Sakurai's advanced qm
- Real randomness and evolution
- Pauli's exclusion principle
- Normalization
- Quantum computers and modelling a quantum computer on a classical computer
- Schrodinger's Representation
- Normalization of a wavefunction
- Do your thought has vibration?
- Newbie Schrodinger equation question
- Do particles have spatial extent or are they point-like?
- Basic Double Slit Question
- What does it mean if something "Transforms Covariantly"? (Quantum Field Theory)
- Schroedinger equation and random walks
- The physical meaning of a phase factor
- Deutsch's algorithm vs classical algorithm
- Quantum scale explanation.
- Photoelectric effect minimum frequency
- Problem about orthogonality
- gauge dependent probabilities
- Energy time uncertainty principle
- Symmetric and Antisymmetric WF
- Ward-Takahashi identities from symmetry
- Why does photon vector rotate in qunatum electrodynamics?
- Books on interpretation of QM
- Lazy Layman
- A thought on Quantum mechanics
- John Wheeler, fli flop?
- Observer independent collapses?
- I must be discomprehending the Rutherford scattering cross section.
- Angular Momentum Commutator
- How do electrons become excited in an atom
- What if a particle had infinite mass?
- Lack of quantum effects at higher temperatures
- Phi^4 theory renormalization and t'hooft pole algorithm
- How Virtual Particles Give Rise to the electromagnetic force
- Do the eigenfunctions for the position operator form an orthogonal set?
- Expectation value of momentum
- Question About Bohr's Quantified Shell Model
- Ballentine on the quantum Zeno paradox
- Physical meaning of the Feynman slash
- Question related to quantization of the magnetic field
- The science behind the conversion of particles to other particles
- Unitary Transformation
- Dispalcement Operator
- Matrix elements of the secular determinant for trial functions?
- Virtual Photons over Large Distances
- EPR and Lorentz transformation
- QM based on commutators
- Why is it path integral formalism being a ''quantization'' procedure?
- Has this QFT difficulty been resolved?
- Bohr Model and wave-particle duality
- Black holes and information
- very basic question
- Can you make a definition of velocity in QM ?
- Communication via Quantum Entanglement
- Loophole-free quantum steering
- Electron protects nuclues from magnetic field?
- Qubit!
- Measuring orbital angular momentum
- 2 Q's on Quantum Stat Mech: why only eigenvalues, why dE
- Can someone explain what a propagator is and does?
- relaxation rate
- What inside the band gap?
- 2nd order perturbation calculation for a system involving spins
- Question about Quanta
- Renormalisation
- Cluster Decomposition in QFT
- Light polarization vs photons spin
- Vacuum fields?
- Confused by Feynman sum over histories
- Commutation of Hamiltonian and time evolution operator
- derive quantum partition function
- laser output
- Einstein, Podolski and Rosen
- Einstein's vision
- bell - local hidden variable
- Schrödinger's cat
- Normalizing Wave Functions
- Virtual particles colliding with other virtual particles
- Collision of phonon and electron with an atom
- Wavefunction Collapse
- electron energy shells--where do they come from
- Eigenvaules and quantum numbers
- Does Ward Identity in QCD has origin of U(1) or SU(3) symmetry?
- Wavefunction "collaps" past/future effect
- Quantum physics in three sentences?
- Nikiforov-Uvarov method x tunneling
- Question about measurement and unitary dynamics
- Why does particle size affect EM radiation scattering
- Superselection rules
- Relativistic correction to quantum mechanical system
- Why are identical particles indistinguishable?
- is quantum physics a growing field in the future?
- Physical interpretation of quantum superposition
- I need just ONE analytic solution to the time-dependent Schrodinger Equation.
- Why should Hawking radiation decrease a black hole's size?
- Grassmann Product Notation for Wavefunctions
- SU(N) symmetry in harmonic oscillator
- What is the physical meaning of [H,ρ ]=0 for a stationary state?
- Spin and magnetic field
- probability waves - instant infinite extent?
- Schrodinger's Cat - your opinions
- Question about Quantum Computers
- Spectral radiancy curve
- Landau quantization of cyclotron orbit
- Uncertainty principle, virtual particle pairs and energy
- Fermion-Boson question
- Hawking Radiation's Virtual Particles?
- Question on "observer" of double-split experiment
- Why saying Quantum Mechanics is pillar of QFT?
- De Broeglie Wavelength
- Experimental confirmation of indistinguishability of identical particles?
- Quantum Mechanics and General Relativity
- Emissions of a particle bound in a cavity
- Hamiltonian describing energy transfer to bloch Electron from EM field
- Misunderstanding about measuring the spin of the electron
- wave function collapse
- On spinor representations and SL(2,C)
- Electron microscope and de Broglie wavelength
- Amplitude - photon correspondence
- Assorted questions about Srednicki ch78
- Quantum Numbers
- Quantum Eraser and Its Implications
- Quantum mechanics question regarding jam.
- Energy and frequency question
- Quantum communication with extraterrestrials
- Product rule for Grassmann numbers
- Fate and Schrodinger's Equation
- interaction hamiltonian?
- Neophyte with basic questions
- Schrödinger equation in momentum space and number of solutions
- Spin rotation measurement
- Division of quarks to leptons result in quark-lepton complementary?
- How to arrive at Bessel function solution to 1D polynomial potential
- Wave-particle duality at Macro scale?
- Can Free Particle Have Sharp Energy?
- Typo error or correct wavefunction?
- Propagator for matrix fields (based on Srednicki ch80, p490)
- Partial Trace Question
- Why wave function should goto 0 f faster than 1/sqrt(x) at infinity
- are super-operators always writable in a basis independent form?
- speed of "transmission" in quantum entanglement
- Stress energy tensor in extended standard model
- Wigner D matrix
- is there an interference pattern within a non-interference pattern?
- What's happen when a molecule or an atom is already in an excited electronic state an
- Meson propagator development
- Observation techniques
- How to form a picture in mind of coherent state?
- Expectation value of a product of operators
- Phosphorescence
- Superconductor dust levitation in the Earth's magnetic field
- The quantum state cannot be interpreted statistically?
- are wave functions and quantum waves synonyms?
- Relational QM as Compelling
- Alpha Tunneling
- Entanglement and GR
- Heisenburg's Uncertainty Principal and the definition of randomness
- Phonons and Photons
- Feynman's QED
- EPR and Many-Worlds?
- Allocation of Entropy as Convex Cones
- Gain competition in a laser
- quark stability
- How Does 'Collapse' Occur in Bohm Mech.
- quanta of the other three forces
- What is the definition of "particle(s)" in QM?
- new (apparent) confirmation of virtual particles.
- Science Lay Person Question about Many Worlds Theory
- zitterbewegung and dirac equation
- Hermiticity in the interaction representation
- Square of modified Dirac equation
- The double slit and wave particle nature.
- Electric charge in quantum field theory
- Quantization of vector field in the Coulomb gauge
- Why does Lagrangian in QFT only include first order derivative of field?
- Normalization
- quantum fluctuations and momentum
- IR spectroscopy
- Is biological life a product of a probability wave
- Is the following correct about virtual particles
- The graphene momentum relaxation time
- Entanglement and Poker
- Electron's magnetic behavior
- Why we only consider ''group'' symmetry but not general symmetry?
- Existence and the interpretation of infinite uncertainty?
- Pesking & Schroeder Eqn 3.18 (Lorentz algebra)
- Scattering theory - Regular solution
- Wigner Matrix or Wigner D-Matrix?
- Hamiltonian with position spin coupling
- Help with finding propagator for a particle due to a constant force
- If all states are stationary, what causes atoms to radiate then?
- Is light a photon or a wave? (concrete question!)
- Updates on Penrose Quantum Mirror Experiment
- Imagination of Duff's theory
- Pauli matrices
- my personal criticism to "Quantum theory and Human conscience"
- Solution of Schrodinger equation for free electron
- Fine structure correction in H atom
- need a book that explains linear vector space
- 2 Time Dimension in the Quantum Realm?
- about H2O how much energy we need
- Can a virtual particle create another virtual particle?
- Light intensity and polarization
- Does light lose any any energy in a vacuum?
- Position and Momentum Operators
- Proving Shouten identity in QFT
- Verification of probabilities for various states
- 1st order Pertubation energy and wavefunction
- I want to understand positive operator valued measures in QM
- Novie questions about the double-slit experiment
- Pauli exclusion principle.
- Naive question on CFT in 2D systems
- Wavepacket Dispersion and how this links to particle behaviour
- question about planck lengths/quantized space and expanding space?
- What is an observer?
- 1st order pertubation on 2 level system
- The reality of Configuration space
- Simple Eigenvalue Question
- Polarization and degeneracy
- Diarac notation
- Quantum control of a looped beam.
- Hawking radiation and negative gravitational charge
- Is Dark Matter actually a gravitational byproduct of quantum field theory?
- Quantum Levitation
- the quantomic oscillator's amplitude
- two hydrogen atom with same spin can form H_2?
- Why is inertial mass not an observable in QM?
- Density matrix's non-diagonal components
- Lorentz Transformation of Fields
- I am so confused with this!!!
- The Uncertainty Principle
- density operator_mixed state statistics
- A queery on two expressions
- Caldeira -Leggett
- Just how 'big' is a photon?
- Scalar field as quantum operator.
- Questions regarding a paradox.
- Zeeman effect, something I'm not understanding, about history
- Newbie questions: wave and particle viewpoints
- QM Particles and their space boundaries
- Evidence for entanglement
- Preserving Causality in QFT
- Why the carrying force fields must be the fields of Boson particles?
- why Planck scale?
- Second Quantization
- Quantum numbers in wikipedia's table
- A 'Classical' object behaving Quantum?
- What is so special about quantum entanglement?
- Standing Waves and Radiation Emission
- square potential barrier, normalization
- commuting of operators
- Coupling x potential width
- Quantum Coherence in Transmembrane Proteins?
- polarization a QM effect?
- Newbie Question - Double Slit Experiment - 'Interference Patterns'
- Prove that information is either increasing or remaining constant with time.
- Spin-Orbit coupling.
- Scope of Hilbert Space of a System?
- Calculating the energy-momentum tensor for Maxwell Lagrangian
- Spontaneous emission
- Quantum Computing: Superpositon of states problem
- Can we understand neutrinos as information?
- Need an explanation of shells in layman's terms
- Not following one step for Ehrenfest's theorem
- On the complementarity principle
- Is a finite function with finite Fourier transform possible?
- theoretical discussion
- Is mass something that is "uncertain"?
- which path information for a photon reflecting from a mirror as in Feyman's QED
- Does a symmetry of Lagrangian reserve in each Feynman diagram?
- Does a single electron transistor really need the tunneling junctions?
- Justify bell state
- About String Theory
- Quantum Foam Question
- Second quantization question: one particle or n particle?
- Dirac Principle Value Identity applied to Propagators
- Writer's Help:Music & String Theory
- Schrödinger's equation to Dirac's
- Uncertainty Principle
- Brownian Motion and Path Integrals
- Article: "Faked States" mimic quantum entanglement
- Detecting Entanglement
- Renormalization and running coupling constant
- Question on time-independent perturbation theory
- Particle spin
- femtosecond spectroscopy/Selection rule
- Potential Invariant under translation
- Question about torque in Stern Gerlach Experiment
- Double slit experiment for AP physics
- Entangled spin correlation
- Proof of uncertainty principle
- Trying my luck here...
- Experiments in quantum entanglement
- Longest straight line distance a partial (fermion) speed has been measured (with cond
- two-slit
- Potential energy as observable
- Schrodinger's equations
- Bohm Mechanics & Polarisation
- what is the connection between energy eigenstates and position?
- Quantum "Cell Phones?"
- "Quantum Effects Brought to Light"
- Coherence in photosynthesis
- Does CMBR include free photons?
- Electron and the uncertainty principle
- question re electrostatic charge
- About Quantum Field Theory
- Bell Tests
- Pauli's exclusion principle Intrpretation
- What are vibrational levels and energy states?
- Can this measurement be done?
- statistical mechanics
- Wheeler's Delayed Choice bibliography
- Layman's questions regarding Measurement Problem
- Zeeman effect
- Nature of "Real" Applications Quantum Mechanics
- Hydrogen Atom?
- application of schrodinger's equation
- De Broglie wavelength
- which slit/way at time of observation or passing slits?
- Superposition/Wave function inside blackhole
- Bell's Experiments & Hidden Variables
- Governing laws of quantum mechanics
- Mutually Exclusive States
- Velocity measurement
- A composite system of three particles with different spin
- Absorber Theory, Retarded and Advanced Potentials
- Finding ground state
- Total spin angular momentum for a composite system of three particles
- In QED is angular momentum conserved at every order in Dyson series
- Problem in constructing Matrix representation in |↑↓> basis
- What branch of mathematics to study to understand Quantum Mechanics?
- Multiverse vs Copenhagen, John von Neumann
- The signature of QFT
- Reflection, at a quantum level?
- directional photon detector to detect which path?
- NYTimes meets the Higgs Field
- Having difficulty comprehending a problem in Peskin's text
- Do the electrons have inertial mass?
- Question about Electron Action and study material.
- Entanglement and Computation
- Inner product with maximally entangled state
- composite particles de Broglie wave length
- "Proposal for a Quantum Delayed-Choice Experiment"
- Question about some math during wavefunction renormalization
- Transition amplitude
- Quantum Entanglement inside & outside Event Horizon
- Wave-Function, Fourier Transform, and Speed
- Prerequisites for beginning quantum mechanics?
- Why the Lagrangian must involve derivative of field?
- Why is gravity "special"?
- Why are there no well-defined energy states in nature?
- Is ZPE of an electron in an atom obtained intrinsically or extrinsically
- Noob to PF, Quantum Foam question...triangles?
- virtual particle lifetime
- Why is z-axis so special in hydrodgen problem?
- Typical dimension of an apparatus for electron interference
- Poincare Group and Generators
- meaning of all possible paths
- Why do L² and L_z form a CSCO?
- photon entanglement question
- Decoherence and the randomness of collapse
- Renormalization group and universality
- A simple question about consciousness.
- Quantum Zeno Effect and Decoherence
- How to block tunneling current?
- Why does the momentum of a matter wave depend on the phase velocity?
- Position space projection of the Single and two particle states of the Dirac Equation
- FeynmanPropagator
- Derivation of Planck's Law
- A night with the stars (Brian Cox on telly)
- Instanton contribution to two point function
- Derivation of the one-particle Green's function?
- Klein-Gordon equation
- Potential well.. I
- How can Black Holes emit radiation?
- Angular momentum and the hydrogenic atom
- Momentum Operator question - Proof found in Intro to Griffiths QM
- Would time travel to the past be possible if....?
- Peskin equation (6.46)
- Why do gluons and W and Z bosons have a limited range?
- Brian Cox explain Pauli exclusion principle
- Tapping Dark Energy
- Casimir Effect
- problem regarding Matlab code for n no of quantum well
- What do "pervading" and "aether" mean?
- measure for momentum in curved space
- no 2 electrons can have the same energy state
- delta potential
- Momentum of particle
- Consensus about Non-Locality & Spacetime
- Dirac Notation in building Path Integrals
- Effective mass of Dirac electron increased by electrostatic potential?
- Momentum Operator
- Banks 3.1
- Cancellation of infrared divergence
- Why the even Eigen states have less energy than odd ones?
- difference between static and magnetic attraction
- MWI vs Copenhagen Interpretation
- "Completeness" of eigenvectors in a complete, commuting set
- excitation by photons smaller than energy interval
- Casimir Effect Simulation and Experimental Setup
- Angular momentum
- History/Derivation of multi-particle wave functions?
- Hidden Variable - How to calculate the straight line
- Bell's Theorem - Easy explained
- amplitude of a photon
- wave function
- Different energy levels in LASERs
- Bell inequality experiments and photon polarisation issue
- Hamiltonian and Commuting operators
- How do we measure momentum?
- Energy release from Graviton / Higgs Boson
- Gauge group choice
- Unitary Quantum Cloner
- Why isn't p^4 Hermitian for hydrogen-like l=0 wavefunctions?
- Meaning of Peskin equation (7.25)
- annihilation operator acting on a Fock state
- An interpretation of quantum mechanics in terms of Brownian–like motion.
- Poisson Bracket to Commutator, What Does it REALLY Mean?
- Angular Momentum Eigenvalues/Significance of QN "l"
- Advice On Michio Kaku Books
- Physical meaning of zero eigenvalue
- Susskind Youtube Lectures
- Pauli exclusion principle
- What is Information?
- Susskind Lectures: Claims Quantum Equivalent to Coarse-Grained Phase Space
- If one generator commutes with all other,why must it be generator of U(1)?
- How is light absorbed/reflected?
- Which Quantum Interpretation could make a difference?
- Can one learn Q.Physics self taught?
- Given a potential, qualitatively deducing the energy levels?
- Why symplectic symmetry has N(N+1)/2 generators?
- Klein Gordon equation and particles with spin
- Quantum Zeno Effect and quantum "decay"
- How to find the Majorana matrices?
- Clebsh-gordon coefficient
- "The End of an Entanglement"
- question on uncertainty principle
- How many ''charges'' are there in SU(2) and SU(3) symmetry?
- de Broglie Waves
- Question on Entanglement States
- The state space in quantum field theory
- Is superposition dependant on the measurement of sound as well as sight?
- Seeking a satisfying explaination for a bond formation problem
- Electrons absorbing light?
- Even wave function
- Axiomatic derivation of [X,P]?
- The QED experiments Feynman describes in his Auckland lectures on Vega website
- Energy-momentum tensor for the Dirac spinor
- Classical Stat Mech with Uncertain Initial Conditions vs. Quantum
- Entangled photon polarization correlation
- Help for a beginner....Bell's Theorem
- Textbook tries to argue stimulated emission from boson behaviour?
- Peskin equation (7.51)
- Quantum mechanical derivation of ohm's law?
- Pion decay and neutrino oscillation in OPERA
- Superselection Rules
- can "light" excite an electron from ground state to a higher state?
- Path Integral Basics (Why dimension increases in the integrals?)
- How you come up with the wave func. in the first place?
- why explain with both vectors and functions
- Why is Casimir operator to be an invariant of coresponding Lie Algebra?
- what is the density of states?
- Currents and the "quantum" effective action
- Neutrino probing...
- superposition in quantum computing
- What happens to an electron when a photon is reflected?
- Multiple pathways
- 4th Dimension
- pair production entanglement
- Two component field theory and unitary transformation
- which-way double slit
- What exactly is intrinsic angular momentum (spin)?
- Feynmann's electron double slit experiment
- SU(2)L, SU(2)R, other symmetric groups and SSB
- Current in Dirac equation
- Two particles in a ring !
- Angular part of the wavefunction!
- Wave packet expanding
- Arbikosov vortex and Heisenberg
- Bell's Theorem Correlations Velocity
- Polarisers + Probabilities
- Lay Hypotheisis on the Universe (Do you think this is plausible?)
- Will a boost change spin angular momentum? Or what's spin angular momentum in QFT?
- does a molecule really take on the shape like the VSPER model?
- Chern-Simons and massive A^{\mu}
- Superluminal Light Propagation in Optical Fibres?!
- Angular Momentum the Full Operator Approach
- Bra-ket notation Schrodinger Equation
- Have i understood correctly?
- What is adjoint representation in Lie group?
- BRST Symmetry and unphysical polarizations
- Clebsch-Gordan in Fock Space?
- Plank's constant, phase integral and quantization of action
- Normalization Conditions of Wave functions
- Why ghost fields(Faddeev-Popov ghosts) must be ''ghost''?
- Is action quantized?
- Superposition experiment question?
- An experiment like this
- Deriving Equation
- Questions about Rigged Hilbert Space
- Schrödinger's cat and many world interpretations
- Normalization of vacuum state.
- In comparing different renormalization procedures why do we care about symmetry?
- Proof of orthonormality of the hamiltonian when not real
- Dirac delta wave function impossible?
- About expansion of wave functions
- single slit single particle interference
- Schroedinger equation with angular momentum operators
- What is the purpose and meaning of Pauli/sigma matrices
- observation vs measurement
- Quantum computer
- Uncertainty principle
- Kobayashi Maskawa Matrix Error ?
- The ln(m^2) term in dimensional regularization
- Angular momentum operators for bosons
- Poisson Spot
- e^ix formula
- Observer ?
- What if I'm the Schrodinger's Cat?
- Appearing out of nothing with defined characteristics?
- Photon Slowdown
- Negative off-diagonal elements in density matrix?
- Hypothetical Question of Virtual Particles and Magnets
- "Energy is borrowed from the vacuum"/Virtual Particles
- Collapse Models of Quantum Mechanics
- Length contraction on quantum scale?
- why energy level of one dimension problem is descrete?
- Double Slit - Observation Appartaus is Key?
- How does U(1) guage symmetry lead to Maxwell's equations?
- Are electron energy transitions instantaneous
- Double slit and electrons
- conservation of momentum photoelectric effect
- Stimulated Emission has no sufficient proof?
- Unclear formulation of Ward identity
- Quantum physics underlining the 'magic numbers' in chemical bonding & more.
- Is Energy the "Glue" of Entanglement?
- gaussian wavepacket
- Probability density doesn't oscillate with time
- how does de broglie-bohm explain obstruction in path?
- interferometer
- expectation value in a linear superposition
- 1D Hindered Rotor model
- Average value in superposition question
- commutation of operators
- Why is Gaussian Packet the lower limit?
- What causes a proton to have a positive charge? Why do electrons have a negative char
- Quantum computer
- Dirac algebra (contraction gamma matrices)
- What physically causes the energy to make subatomic particles move?
- In string theory, what are the small strings physically made out of?
- DETERMINISM OR RANDOM? Pick a side
- Functional Derivative fail
- Observed intensity of Persistent Lines of Neutral Hydrogen
- page13 on Griffiths quantum mechanics
- Probability amplitude arrows
- Do have virtual particles gravity?
- Question on wave functions
- SHO Ladder Method missed states?
- Question about the Double Slit Experiment
- Problem with quantum entanglement of photons
- Guage symmetry - invariance under arbitrary phase change
- Covariant deriv of matrix valued field(srednicki)
- rest energy in Schrodinger's equation
- Associated Entanglement?
- What is a photon in respect to electromagnetic waves?
- Quantum systems acting accordingly
- Very basic quantum mechanics questions
- 2 places at once
- Fock Operator for minimization
- How is it possible that 3d orbitals are more contracted than 4f?
- Particle at the edge of nothing
- Extent of indeterminacy in the double-slit experiment
- SU(2) ~ O(3) identification
- Quantum tunnelling w/ macroscopic objects
- Why this equation is an integral over all paths?
- Electromagnetic attraction. How?
- How many photons are emitted by accelerating electron?
- Dirac Spinor, Weyl Spinor, Majorana Spinor
- Fine Structure Constant
- Simple question about vector spaces and bases in QM
- Question about evolution of a wave function
- Can making a measurement change subsequent measurements?
- rigid rotator energy
- Representation Theory and Particle Theory
- mass spectrometry!
- Radio waves emitted by an antenna - Bremsstrahlung radiation?
- questions about black holes
- Propagator operator
- About wavefunctions, their complex nature and their approximations?
- All states are stationary, all observables are constant.
- many world interpretation on large scale
- observation vs measurement
- Beam of photons inside a Casimir cage
- classical and quantum fields
- Quantum Eraser / Home Version
- Stern-Gerlach experiment when magnetic field varies from 0 to B
- nanorribon graphene
- Wave function of a photon in a spherical cavity
- laser vs. photon amplifier
- Solving the Schrodinger Equation: WHAT DOES IT ALL MEAN?!
- Quantum Harmonic Oscillator
- effect of delaying one "arm/part" of the "split" wave
- s-matrix at high energies
- Why does attenuation coefficient decrease with increased energy?
- Schwarzschild equation
- Is there anyting really entangled in Quantum Entanglement ?
- Wick's Theorem Proof (Peskins and Schroder)
- Reason for wavefunc collapse? Being observed or Being known by some conscious entity?
- Examples of quantum mechanics predictions
- Bose-Einstein condensate of photons
- Atom power microscopes
- Probability amplitudes and photons
- double slit in macroscopic world
- Time-Entanglement: Franson Inteferometer
- Missing checksum in Arecibo message?
- Path Integral example, analysis of integral limits for K-G theory
- How can I ignore information in my wave function?
- Exclusion Principle application to very large systems
- Laser for optics experiments
- Symmetries vs time evolution
- Two-photon experiment
- Photomultiplier help
- Double Slit Home Experiment
- Question about quantum tunneling?
- Time derivative of an observable
- The Dirac delta in squere root of the absolute value
- Path integral and partition function
- Is there an equation for the energy loss of a photon in different media?
- Quantum without Identical Particles
- What are the "natural" generalizations (if any) to Bose and Fermi statistics?
- energy levels and quantum state...
- What is this U(1)?
- Functions with operator valued arguments acting on eigenstates
- Is this how it works?
- Construction of Hamiltonian for interacting optical fields
- Directional property of photon
- Kochen-Specker As Simple Corollary Of Gleasons Theroem
- Origin in Inertial Frame for Spin-Orbit Coupling?
- How Does QFT Describe or Predict the Position of a Particle?
- full quantum mechanical description of the double slit experiment
- If that other thing didn't break a rule in relativity, how about this?
- theoretical instantanous communicator
- Degenerate Matter energy level
- Why does wave-function collapse occur?
- What's weird in the Stern-Gerlach experiment?
- Wave Plates and Entanglement
- Is Wick rotation necessary?
- Time dependent Hamiltonians: features
- Neglecting terms in a Lagrangian
- Instanton configurations of an even anharmonic oscillator
- How would wormholes work?
- Global U(1) invariant of Dirac Lagrangian
- QM focused Documentaries/lectures.
- Question on particles/fields in QFT
- Could wave/particle duality have to do with the speed limit of light?
- hermitian form
- Coherence Domain in Living System
- What is collinear photons?
- How can we solve IR divergences problem?
- Interaction limit?
- Why are nuclear excited states always eigenstates of parity?
- White dwarfs and degeneracy
- What are the Fields in QFT?
- polariations vectors
- Faddov Ghosts and the non-Abelian Lagrangian
- Entangled Photons
- Thought Experiment Confusion
- Number of Photons and wavelength?
- Basic questions on collisions, particles
- What does "state" mean in quantum mechanics?
- Question about quantum entanglement
- does the time dependent hamiltonian have stationary states?
- momentum operator
- Why we do not consider the divergence due to mass-shell in QED?
- left and rightcircular component
- The Born series expansion
- Infinities and the Many Worlds theory
- how is interference by longer path generally explained by physicists?
- The End of Realism?
- Determination of time-dependent coefficients (QM)
- There is a high concentration of introductory material on wave-particle duality that
- meaning of bra state
- Quantum Numbers of Spin 1/2
- Renormalization massless phi4 theory in Peskin.
- How do we get angular dependent wave function from only radially dependent potentials
- question about double slit experiment with detectors
- Revolution of electron and that of the planets
- Quantum Entanglement in a Human Brain
- What is the size of a black hole?
- Addition of Complex Term in Lippmann Schwinger Equation
- Is entanglement still considered "spooky"?
- Require help understanding Glauber Coherent States of the Quantum Harmonic Oscillator
- Is the ground state of a harmonic oscillator unique?
- destructive interference in electron diffraction
- Path Integral Formulism.
- Double Slit experiment
- 181* NMR pulse, atomic description
- qft questions
- Feynman diagrams for Bremsstrahlung
- Expectation values for expanded wave functions
- Quantum Field as Physical Entity?
- Feynman diagrams for more than two particles
- Parity operators and anti commutators
- QFT vs QM 101
- Question in Principles of Quantum Mechanics by Shankar
- Photon detector used in Young's Double Slit experiment?
- How photon entanglement works?
- Donating electrons and increasing energy of orbitals
- Wavefunction collapse with a single photon?
- Momentum of a state vector
- Black hole and virtual gnomes
- Pauli Exclusion Principle and Black Holes
- gluon field and BH ? String theory only.
- Interpretations of Quantum Mechanics (is there a general consensus?)
- intuitive diagrams for feynman diagram
- Wavefunction vs EM wave of a Photon
- la grangian
- Operators and commutors, and order.
- Why are quantities called operators
- What is the difference between interaction and measurement?
- The dipole interaction and fermions
- confused about Wick & Zee
- spin-1/2 rotational symmetry
- What is the Principle that gives particles their own actual size?
- Is Equation Valid?
- Magnetic Field Consolidating Distinct Quantum Numbers
- Quick question about notation for normalisation
- Infinite Positions in QM
- Why not diffeomorphism group representation theory?
- Whats the difference between reflection and scattering of photon? (QFT)
- do photons gain mass in the presense of a black hole?
- Can a photon have energy of spin?
- Analytic Continutation of Quantum Statistical Mechanics
- Is photon emission possible without electrons changing energy levels?
- Simplified Afshar experiment: many-worlds interpretation
- Do gamma and X-ray wavelength photons also exist as collapse able wave fx's?
- # of photons in a mode (in a blackbody)
- Wave funtions for a massive particle moving in 1D harmonic oscillating potential
- Need help understanding this: Deriving expressions for spin 1/2 systems
- implication.
- A question in QFT book of Peskin&Schoeder?
- What if matter is collapsed space?
- is space quantized or is it seamless and smooth?
- Bosons and Fermions in a rigorous QFT
- Is there lighter particle than photon?
- A question regarding finite potential wells
- What were the first applications of quantum mechanics to technology?
- How to convert this time-dependent Hamiltonian to time-independent Hamiltonian?
- Radial wave function in H atom
- Interpretation of Quantum Mechanics - which one?
- Meaning of Quantum Spin
- Interference of light
- Quantum Harmonic Oscillator Question
- Double Slit - Post Incident Detection
- Orchestration of Quantum Entanglement
- electromagnetic radiations in bohr model
- Quantum Mechanics to a Newcomer
- I can't figure out if these are matrices or numbers
- What is the direction of angular momentum vector of a photon?
- Can photon-photon interactions alone produce black body radiation?
- Slaters Rules and Hunds Rule
- Evidence that electron is a point particle?
- Dose E=hn means quantization of energy?
- What was the ultraviolet catastrophe
- U(1), SU(2), SU(3) are symmetry of what?
- Can better sensors extract more info from old lens w/o limits?
- Any useful applications at all?
- derivative of an operator valued function
- Lagrangian vs Hamiltonian in QFT vs QM
- Wave function is always in abstract space?
- Boundary conditions in PT symmetric quantum mechanics
- Stability of the atom in QFT
- The four fundamental forces
- Why no rigourous gauge fields!
- Charge Conjugation and Internal Symmetry Representations
- energy of light ( wave or particle)
- Two Groups of Entangled Photons
- Quantum superposition and Vector Space
- Compton effect and Photoelectric effect explained by wave theory?
- Why must Quantum Computers be reversible?
- regeneration of wave function
- Quantum mechanics without wavefunctions...
- Perturbation Theory in QED
- radial distribution function, concept.
- spherical harmonics and wavefunctions
- energy levels hydrogenic atoms
- Ref for single electron double slit experiments
- Schrodinger Equation and wavefunctions
- Understanding spin, spinors, and rotations
- Why is hadronic vacum polarization to be a matrix element of product of currents?
- Eigen Value, Eigen function -Schrodinger wave equation
- Degenerate Perturbation Theory
- QFT as pilot-wave theory of particle creation and destruction
- Tried finding out what this symbol means, but to no avail did not find it. Help!
- Wave function collapse with Young's double slits.
- Unification of the forces?
- Hong-Ou-Mandel effect
- Ok, suppose Macro-entanglement is possible...
- Hydrogen atom in a b field
- Zeeman effect - spin orbit coupling
- do we really need physical/real waves to explain single particle interference?
- What dimensions does he mean?
- "Integration" on operators
- "Band structure a result of Pauli"? Professor hopelessly vague or in essence correct?
- Quantum field theory and the renormalization group
- Questions about the delayed choice quantum erasure experiment
- Can Someone Please Explain Hermitian Conjugates To Me!?
- On Thought Experiments: Question
- QFT Coupling constant in power series
- Observables and Commutation (newbie questions?)
- the only mystery in QM
- Where is the arrow of time if every decision is essentially instant?
- Nonlocality and Compactified Dimensions
- My bra-ket calcs seem to be going wrong - help!
- What is the true significance of Quantum Information Theory?
- electron probabiltiy density
- Quantum Eraser
- hydrogwn atom electron probability
- dynamics in the heizenberg picture
- Question about the "Unitary Operation" in Teleportation
- Some questions regarding decoherence
- UN-entanglement? is that possible?
- Quantum materialization...someone please help!
- Exchange splitting of energy levels of a system??
- Solidity
- Particle in a box polyene
- H3+ bonding
- Measurement problem query
- Thermionic emission at same temperature
- Increase in amplitude of an electron wave
- Pauli Exclusion Principle
- is uncertainty inherent in QM?
- do the wave equations need to be modified for obstacles?
- 1/f noise at zero frequency or dc
- Quantum Computing gate matricies
- Electromagnetic and strong force
- Quantum Observer Effect, Help Me Understand.
- gauge invariant Lagrangian: unique?
- Renormalization Group for dummies
- Charges in the Standard Model
- does the hup essentially represent the "wall" or "curtain" of the universe?
- What is symmetry breaking in the Standard Model?
- Ampere's law with quantum mechanics
- Demonstration of Dirac equation covariance
- Small=high mass at quantum level, but big=high mass at classical level. Why?
- Wave functions, i don't get em
- Relations between classical and quantum time-evolution of fields
- Faster than Light Information Sending Solved?
- What actually happens when a photon strikes an atom?
- relationship between electron and quark charge
- is there a logical way of understanding how randomness could agree with causality
- c is infinity thus electrons can be in two places at once!
- The Double Slit Experiment: The weirdness of quantam physics
- doesnt the quantum zeno effect dissallow the possibility of randomness?
- photon interaction during refraction
- Infinite Energy beneath Quantum Vacuum?
- doesnt qtm zeno effect contadict the idea that hup is there even when not observed?
- QED and the Landau Pole
- GHZ entanglement
- why is superdeterminism not the universally accepted explanation of nonlocality?
- Wigner's Theorem/Antiunitary Transformation
- energy equal to hf
- Question about entanglement.
- Force acting on an atom
- Question regarding the Delayed Choice Quantum Eraser expirement - interference at D0
- Which particles interact with which others
- Why can't the wavefunction equal infinity?
- Newbie here.
- Uncertainty principle and particle accelerators
- Electron gas and Pauli principle
- question about entanglement and the chines photon polarazation entanglement experimen
- can you observe a photons polarization or change in polarizati without disturbing it?
- Entanglement/Nonlocality question
- Energies of a particle in a box vs. free particle?
- Entanglement Swapping
- Many Worlds based on the observer effect
- why triplet state |1,0> is considered "parallel"?
- Quantum math on GHZ state equation
- Semiclassical descriptions of atom-light interaction
- is there empty space with null energy?
- Breit equation/relativistic QM and simplifications
- Total nuclear spin of deuteron
- Integrals over operators.
- wave nature of electrons
- Bell's Theorem and the detector
- Why is there no 'classical' interpretation of movements in quantum mechanics?
- Helps on understanding different representation transformations
- Is there such a thing as an anti-gluon?
- Harmonic Oscillator Question
- indeterminate vs unknown re: photon spin
- Bell's derivation; socks and Jaynes
- What kind of Questions will be asked in Quantum Mechanics Interview?
- How to debunk new age Quantum physics crankery
- Creation of a boson
- Photon classical or nonclassical object?
- How fast do wave packets typically spread out?
- Question (not homework): Quantum phenomena and the Macroscopic world
- Orbital Angular Momentum Origin
- Heisenberg Uncertainty Principle
- Rotational quantum number J
- Does Schroedinger Eat Goldstone too?
- Can a potential act in a small region of spacetime?
- Proving Bloch's Theorem
- Building a Lagrangian out of Weyl spinors
- Is this experiment possible
- when electrons jump why photon
- Question on quantum entanglement mechanism
- How Quantum Theory Explains Human Consciousness
- Why isn’t time-dependent Schrodinger equation separable?
- understanding photon
- negative energy levels
- Delayed double slit experiment
- slit pattern, vertical or horizontal?
- Mirrors and Phase Shifts
- The Gluon Octet
- theorem on projective measurement and 100% distinguishable states...
- Path Integral/Canonical Quantization of Gauge Theories
- Can I assume this is a travelling wave?
- aspect's experiment, bell's inequality, neutrino faster than 'c'.
- Perturbation of 2D Oscillator along one axis
- Beta Decay
- How can we expand product of two currents into series?
- Tensor Operators
- the nature of mas
- Quantum Dense Coding related question
- Quantum entanglement,Is it possible
- Concerning the Uncertainty Principle, what if the particle gives off its own light?
- does the weak force violate conservation of charge?
- Observing an particle indirectly
- Is stokes vector can be a quantum state?
- Schroedinger picture in AQFT/CQFT
- The Requirement of integer orbitals
- Mystery of the lost degree of freedom in a gauge theory
- Susskind on double slit
- scattering - quantum electrodynamics
- Looking for: Schrödinger equation in terms of phase and modulus
- distinguishability?
- In electron/photon interactions does the handedness of the photon matter?
- Understanding Uncertainty Principle
- Quantum Locking / Pinning
- Density matrix elements, momentum basis, second quantization
- are boson fields the adjoint of the fermionic field they couple to?
- Born's rule
- Does Energy Redistribution in Wave Interference Happen Superluminally?
- Dirac Sea of antiparticles
- Local interpretations of quantum mechanics
- Questions in Weinberg The Quantum Theory of Fields Vol 1
- Form of the singularity?
- how can reality be non local and its expression be local.
- magnetic interactions of atom
- Airy Function Representations in Hypergeometric Series
- where does the radial probability of an electron equation come from?
- commutation and eigenstates
- Hilbert space of QFT
- Lorentz model for sic
- QM from scratch
- Fermi surface and first Brillouin zone in simple cubic
- Ax-Kochen paper
- What the heck is meant by "Pauli force/effect"?
- How fundamental are complex numbers in quantum theory?
- generating function of n-point function
- Spin 1/2 and 720 degree rotation
- Sackur-Tetrode - why Planck's constant?
- Why isn't momentum a function of position?
- Expectation Values
- Quantum Teleporation
- Product States
- Other means of Quantum Teleportation.
- Why world looks chaos on atomic scale but it is uniform on higher scale?
- Is Ward identity correct to all perturbative order in purely QED?
- Torque-free precession
- Were There Ever Empirical Reasons to Bring Human Consciousness into QM?
- QM and Classical System Coupled
- Is quantum mechanics a complete theory of nature?
- Feynman Paths
- My diabolical scheme for Quantum Immortality
- what are the postulates of QFT?
- Technical difficulties in calculating hydrogen probabilities
- Delayed Choice Quantum Eraser and other oddities + their meaning
- Delayed Choice Quantum Eraser - double-photon explanation
- Calculation of polarization coefficient with perturbation.
- I am looking for an explanation of heavy electrons
- Wavefunctions and states
- Solving schrodinger, reflection coefficient
- Disproving Heisenburg's Uncertanty Principle
- Quant.Entaglement:Difference between superposition of spins and not knowing the spin?
- What is the scale or density when the double slit experiment stops working?
- Wigner's theorem, Bargmann's proof
- measurements of the second kind and unitary treatment
- Why shall Quantum Mechanics accept Relativity?
- COMPLETE Derivation of Heisenberg and Hubbard Models?
- Eigenvectors, spinors, states, values
- HOW can entanglement be observed experimentally?
- Calculating the expectation of a quantity using wavefunctions
- what is Quantum correlation
- Dirac Delta function as a Fourier transform
- schrödinger's equation
- the Qt Origin of our universe
- How to normalize wave functions in QFT? such as \lambda \phi 4 theory?
- Do SUSY particles have antiparticles counterparts?
- Why do Majorana particles occur?
- single photon vs entangled photons - interference
- Interference terms in particle spin
- 'Genuine Decoherence' and Macroscopic Superposition
- Planck's Constant, what does it mean?
- Degenerate semiconductor and fermi function
- stationary electron broglie wavelength
- Do expectation values vary with time?
- Quantum entanglement of spin along multiple orthogonal axes
- Question about Quantum Theory regarding hydrogen atom and photon
- charge
- Wave/Particle Duality
- Is there a quantum theory of magnetism?
- What is the difference between neutrinos and anti-neutrinos?
- basic bra-ket algebra
- Ax 4 in page 19 of Ticciati's QFT textbook.
- How did they measure the charge of electron
- rotational and vibrational spectroscopy
- Equations that arise when General Relativity and Quantum Mechanics are merged.
- Continuity equation equalling a complex number
- Solving a classical problem using quantum physics
- Proving the multiverse theory through partial differential equations
- Normalizing wave function
- How could a graviton mediate gravity at places such as a black hole?
- Collapse of the wave function, help understand!
- two separate renormalization group equations?
- Quantum Computing - A new way to solve
- Spin 1/2 correlation
- Question about the use of group theory in QM
- Which textbook for an introduction to the Standard Model?
- This is a nonsensical question about wavefunctions
- would traveling faster than the speed of light solve the entanglement issue?
- QM conflict with relativity
- Double delta potential - boundary conditions
- Non-Commutative Nature of QM
- spinor
- Multi World Hypothesis and The Double Slit Experiment.
- hermitian operator
- Infinite square well with finite potential energy inside
- Confusion about quantum foam, quantum gravity and singularities
- Radial probability distribution (rpd)
- Flux Density/Current Probability
- Understanding the copenhagen interpretation
- Schrödinger's cat, pure or mixed state?
- Two spin 1/2 partcles and spin operators
- Pauli's exclusion principle and quantum entanglement
- Question about radiation and matter
- Quantum physics computer program simulations
- Simple problem on expectation value
- Does entanglement describe continuity at the micro level?
- Factor L/W in hall resistance
- Application of Quantum mechanics
- How to deduce the units of hw?
- Is "space" a thing or a relationship between existents?
- Polarisation Rotators and Measurement
- first, second and third quantization formalisms
- Degeneracy of Hydrogen atomic orbitals with different l-values but same n-value
- conceptual question from Atomic Structure
- Clebsch Gordon coefficients for three spins
- What really causes electromagnetic induction/ the motor effect?
- What is the difference between Compton and Rayleigh scattering?
- Photon's Probability of Passing Through Polaroid
- Feynman diagrams for spin 1/2 particles
- Potential well solutions question
- Statistical operator
- When is not necesary to do surface ordering in the non-Abelian Stokes theorem?
- Energy Conservation versus Quantum and Relativistic Effects
- Violating of CHSH inequality
- Why Vcetor Spaces?
- How did Heisenberg derive his famous principle?
- About observability
- Why Don't Electrons Spin Into the Center of the Nucleus?
- Theory of Everything or Troll?
- 4D bohr model
- h=0 and momentum operator
- Are there quantum jumps?
- electron oscillation between states
- Advanced undergrad/grad book for classical mechanics as macro limit of QM...
- does getting which-way info introduce a phase difference?
- What is an observer, defined by QM?
- Does Planck length and irrational solutions mean time can't be reversed?
- schrodinger equation of particle in box
- Quantum entanglement IS EVIL
- Question about Landau: Definition of "Number of states with energy" in an interval
- Quantum Computing
- Nick Herbert's proof?
- Is the wilson plaue always positive in the lattice simulation?
- electrical activity of an atom
- trying to understand (E2 - p2c2 = m2c2 )
- Why imaginary co-ordinates and complex numbers?
- Quantum tunnelling outside the light cone?
- Objects disappearing
- direct products and direct sums in QM
- Why are Lz and Sz conserved in strong field Zeeman Effect
- How can the Higgs Boson induce mass?
- Book reccomendation, ASAP!
- Neutrino Vs. Black Hole
- lagrange (action)
- Particle decay in a cavity or trap
- Electrone-hole conductor?
- what is negative energy ?
- non central potential and energy dependence
- What does the wavevector \vec{k} mean?
- Single photon emissions
- Inverting the quantum cloning of photons
- couple of questions on quantum physics from non-physicist
- c-number
- Questionable Question about Photons and Waves
- Looking for a not gentle introduction to Q. Physics
- Mach–Zehnder interferometer question, path detection
- understanding bell's theorem: why hidden variables imply a linear relationship?
- Simplest example where quantization is unknown
- Schwartz Distribution Theory in N variables?
- Object Jumping from Quantum Vibrations Statistical Mechanics
- time-energy uncertainty and virtual particles
- about the wavefunction
- Why is quantum entanglement difficult to realize?
- Questions abot magnetic monopoles
- Heisenberg ferromagnet and spin waves
- Many Worlds Theory
- Quantum particles expand space?
- A classical challenge to Bell's Theorem?
- Braggs law and x-ray crystallography
- What experiment demonstrates Heisenbergs uncertainty principle?
- SU(2) in 3-d
- Scanning tunnelling microscope - Whats the piezoscanner for?
- Heisenbergs "thought experiment"
- Query about Grassmann Variables in Lewis Ryder's book
- comparison of strong nuclear force and electromagnetic force
- two simultaneous measures of complementary properties
- How matter converted into energy?
- Understanding Bohr Theory (Wavelengths for Electron States)
- General renormalization
- Interpretation of Q.M.
- electron density in terms of squares of wavefunctions
- Challenges of very high energy physics
- Heisenberg picture
- Van der Waals Interaction
- Particles and Wigner little groups
- What is the ''real meaning'' of the violation of right-left symmetry in GWS model?
- Emilio Santos joins the dark side :)
- Does schrodinger equation give complete description of electron?
- Destructive interference in the wavefunction, is this conceptually explainable?
- Bell-state Measurements
- do we really need a cutoff in QFT
- Difficulty with relativistic units, eV/c^2
- Q regarding Quantum decoherence, r.e. double slit experiment
- Precessing Protons and NMR
- Assumptions for derivation of Plancks' law
- Help, my brain hurts. Does anything exist?
- quantum entanglement communication
- The radial schrodinger equation
- A method to detect fermionic magnetic monopoles?
- Why can not the total angular momentum of electron align parallel to external field?
- collapse of the wave equation
- Excitons. Is this the same as radiative recombination?
- How does the Pauli exlusion principle work?
- Entanglement Purification
- Decoherence and the Density Matrix
- The role of lambda in Bell (1964) and experiments
- NMR: what happens at quantum level when the orientation of the magnetic filed changes
- A few questions on quantum physics
- How to find the geometry of singlet/triplet states?
- the delayed choice experiment
- What does 'observing' mean
- Explanation of 6j Symbols (Tetrahedron)
- Negative sign in Larmor Frequency
- relation between "commutation" and "quantization"
- Scholarpedia article on Bell's Theorem
- Interpretation of Q.M. (with more options!)
- Have I given enough information to find solutions, interacting fields.
- Single Photon Interference
- compton effect
- waves of what
- What Causes Refraction to Occur?
- Conjugate of a wave function
- Why is the wave function not measurable alone?
- Aharonov-Bohm: realizable?
- A Bibliography to begin with
- gravitational force of antimatter
- Photons hitting a mirror
- do wave-functions pass through transparent obstacles?
- dark energy
- Moments, Cumulants, ... and effective action?
- Time Travel - Between two Kerr metric black holes w/detached event horizons
- Rotation energy in a ball symmertical molecule, why only two axis?
- Metal Contact Effect on 1-D particle in a box quantum well
- What are quantum "fluctuations"?
- Why "i" in Schrodinger Equation
- Virtual photon-antiphoton pairs?
- Addition of spin angular momenta
- Hamiltonian operator in 3d
- four forces???
- Partial trace of a density matrix?
- Laser !
- Is electron spin uniquely determined?
- Many Worlds and Relational QM
- Quantum Teleportation / Beam Splitters
- Why wave theory is wrong - A quick question
- How are Anyons possible?
- Can we quantize Aristotelian Physics?
- Identical particles
- Real-time single-molecule imaging of quantum interference, really?
- Can waves of different types produce interference?
- Expectation value of the displacement operator in thermal equilibrium
- Measuring which path in Hardy's paradox, results
- desctructive inteference of coherent light beams
- Wigner-Eckart theorem and "reduced matrix element"
- Anyons: distinguishable or indistinguishable?
- Help with simple question
- Specification of angular momentum in DWUCK5 (a DWBA program)
- Wick's theorem for other statistics
- do un-entangled photons exist?
- matter waves of various particles - do they interact?
- What is the purpose of the renormalization group?
- Alice/Bob Instant communication protocol. Does this work?
- Threshold frequency of metals
- semiclassical exact expression ?
- Understanding - how universe/reality plays dice
- Magnetic Field Orbital Splitting
- How is it possible that a superposition of z+ and z- can ever equal x-?
- Vibrational spectroscopy
- So light has dual nature.. but I was wondering..
- quantum mechanics and determinism
- Bound state transitions in QFT
- can an airplane go through a quantum tunnel
- NMR spectroscopy
- Calculation of a particular functional (path) integral
- Clasical and quantum harmonic oscillator - correspondence principle
- Helicity of an electron
- Quantum Teleportation
- what does this symbol mean?
- Intensity in Electromagnetism versus probability density in Quantum Mechanics
- Could very low energy virtual particles last a very long time?
- Does quantum mechanics partially supply its own interpretation?
- Quantumness of Product States
- Is Casamir Effect Related to Anti-Matter?
- "Foundations" argument: Silberstein et al engage Hiley-channeling-Bohm
- deBroglie wavelength
- Slater Determinants for Large numbers of electrons
- How The forces work
- Electronic Transitions in Protium vs. Deuterium
- Looking for description of Helstrom's measurement.
- Question about Gunter Nimtz's experiments
- Question regarding Schrodinger's Cat (Sorry If I Spelled it wrong)
- Why isn't Pauli Exclusion Principle a force?
- Difference between mixed states and pure states.
- How to solve for Hamiltonian gradient?
- Status of Hawking Hartle no boundary proposal
- Does every quantum field have a non-zero groundstate?
- Particle self interference.
- Dirac equation and gamma factor
- Smallest amount of vibrational energy
- Quantum states of matter
- Conceptual Foundations of Quantum Mechanics - Bernard D'Espagnat
- Angular momentum and its uncertainty
- Does the uncertainty relation apply to the past?
- Quantum tunneling in solids
- Constructive Field Theory.
- Majorana Particle Discovery
- Proving Entanglement - Do we need Bells Theorem?
- Is it the fallacy of my thought?
- Do atoms age??
- Degrees of Freedom in QM
- Reallllly dumb question about Feynman Parameters (and simplifying them)
- the Free particle
- braket notation help
- Cesium Atom quantum mechanical description
- Why can't quantum computers be used to solve SAT?
- single particle single slit interference - question about the experiment
- The Bohr Atom
- Separate wave and particle?
- Energy values in infinite potential well
- How does spin work in the position representation?
- to what extent is wind due to quantum indeterminacy
- Parity switching wave functions for a parity invariant hamiltonian?
- Non-separable Fock space
- Quantum Field Theory lecture by Tong (Cambridg)
- Question on uncertainty Principle
- Is Dirac's Sea a Dead Sea?
- Imaginary numbers and the real part of the Schrodinger Equation
- Infinite Square Well and Energy Eigenstate question
- Equipartition theorem
- Coulombs law derivation
- Fock Darwin states
- Possible Explanations of Spooky action at a distance
- EL Equations for the modified electromagnetic field Lagrangian
- Weih's data: what "ad hoc" explanations do local and non-local models give?
- Molecular partition function
- Majorana Fermion
- Possibly Stupid Question on Atom Smashing
- (properties of) what travels through all possible paths?
- Functional integral theorem
- Does a charge have spin outside an atom?
- Commutation relations for Spin opertors
- Heiseinbeg's Uncertainty Priciple and Schrodinger's eqt
- the wave packet
- de Broglie and matter waves
- Expectation value calculation
- Fermion Rotations
- Topology of Aharonov Bohm Effect - Lewis Ryder's QFT book.
- Energy increasing in the atom
- Physical Interpretation of Spin
- the energy of rigid rotator
- The function of atoms is determinable but does this guarantee physical existence?
- Virtual particle production beyond the event horizon.
- 1 Electron, 2 Slits, and the Rest of the Pattern
- Expected value of operators
- Bound State Problem: How can it be addressed?
- Parts to include in a wavefunction
- Parity of Particles/Antiparticles
- Electrons split in two?
- Problem with density matrix
- Vacuum energy and principle of uncertainty
- Feyeman lectures on anti-particles
- Recombination and dipole movement
- Schrodinger eqn and 1/2 spin
- Very simple question >> Making a fool of myself...
- delay in quantum spin systems?
- Proton, anti Proton annihilation help!
- Sum over histories and double slit?
- Double Slit Experiment and Quantum Eraser
- Quick question on band theory
- Wavefunction from probability, OR current from charge density?
- Energy quantization and energy levels
- Static electric field in Quantum Field Theory?
- Photon wavefunction and localizability
- Disturb a complex massive field, apply "force"?
- Planck distance and less dimensional gravity
- Exchange Forces and Symmetrization of Fermions/Bosons
- What does probability amplitude mean
- Wave Function of the Universe
- Probability of an observable
- Heisenberger principle
- Decoherence time scale
- Need Help Understanding a Quantum Mechanics Equation
- Fine structure constant and perturbation theory...
- Quantum Ideal Gas questions
- Fermionic Fock space superselected?
- basic:applying uncertainty principle for confined particle
- De Broglie-Bohm and the uncertainty principle
- How accurate is this video? Double Slit experiment
- New quantum experiments and its implications
- Probability Density Integral
- Detection of a Quantum Measurement
- Deriving the Born Rule from the operator-centric formulation
- Writer with Quantum Physics Questions, please help!
- Still a bit confused about electron orbitals?
- Questions about some recent particle *detections*
- Source term for Klein Gordon eq., can be complex?
- energy of reflected or transmitted photon
- why photons are free from decoherence?
- Evolution of States
- Why we know spin vector is an axial vector?
- Rigorous Quantum Mechanics text or online
- What is the effect of e^(isH)? p.77, Ballentine
- Question about Quantum + Thermodynamic Perturbation theory
- Arising of exp(-ipx) in QM in quantum field theory
- Discrete Impulse Theories
- time in QFT and in special relativity
- The Unruh effect and vacuum states...
- Does anyone know of a good treatment of Pauli's spin-1/2 theory?
- Ladder operators
- Loophole-free demonstration of nonlocality?
- Factor in equation (3.49) of Peskin and Schroeder
- what splits at the slits?
- atoms in a heating object
- Schrodinger's equation and the finite well(conceptual)
- Quantum electrodynamics
- Schroedinger boundry equation: Smooth?
- photon coherence time as the wavepacket length and dephasing
- Mass defect - where does it go to?
- Real valued path integral
- Is there a quantum computing model that allows you to add different states?
- Feynman-Kac formula
- Regarding pair production and annihilation
- IR from atoms
- Zero Point Energy
- Two Derivations of the Born Rule
- how are entangled particles separated/distinguished?
- Quantum uncertainty principal
- Negative Energy and Mass Symmetry
- What is the minumum arrangement to cause decoherence?
- Wedge product in tensor notation
- Why there is never absolutely accordance between good theory and experiment result?
- 'Physics of Quantum electronics vol.8 chap.5''
- Problem with Hermicity of Density matrix
- Field transformation under Lorentz group
- QM only possible in flat space?
- Quantum vacuums
- Schrodinger Equation in 3 dimension
- Is this right about the double-slit experiment and quantum physics??
- weak field zeeman effect, why don't we still use degenerate perturbation theory?
- Box^2 A_μ = J_μ ; [Dirac operator] ψ = 0 or not?
- Separable state vs part of entangled state
- Sum in phase space with discrete energy
- Weinberg QFT - Inner product relations, Standard momentum, Invariant integrals
- What does "couples as the 4th component of a vector" mean in the Dirac equation?
- Entanglement @ Beam Splitter
- superposition / collapse
- Binomial expansion.
- Would a particle at the edge of the universe have an infinite amplitude
- Instant communication with a modified ZWM apparatus?
- Compton scattering
- do fermions produce virtual bosons when they interact?
- Question about this "interaction" in QFT
- Multiple quantum entanglements
- Why is heisenberg uncertainty not a limit of technology?
- Spin-orbit interaction and bremsstrahlung
- Dyade Dirac notation
- from noether theorem to Laplace-runge-lenz vector
- CHSH and the triangle inequality
- Why partiles act like waves
- Commutators, etc.
- Transition from Poisson bracket into Canonical Commutation Relations
- Bra-ket notation to Matrix for entangled pairs
- Can a point in S^3 be uniquely labeled by a 2 component Spinor?
- Everett's approach and unitarity
- who said our reality is an echo???
- Comparing Wave & Partical Models Of Light
- Hydrogen Spectroscopy
- Questions about quantum mechanics reducing the complexity of classical models
- Hermitian conjugate of an operator
- how empty is the empty wave?
- Wavepackets
- Can the modes of oscillating strings in string theory describe particle-wave duality?
- Frightening Double Slit Experiment Interpretation
- lorentz algebra SO(4)
- What is the differene between Rigid Hilbert Space and Hilbert Space?
- Wave function collapse for Schrödinger's cat
- Product Space-Entanglement
- question about Orthogonal Polynomials
- excited state hydrogen
- Request for Link on orbital decay energy characteristics
- looking for a Dirac book on qft
- De broglie wavelength
- absorption coefficient of quantum well
- Short question about probability amplitudes
- do nested quantum events prove MWI
- Commutators of Angular momentum operator
- Young's double slit experiment: reconciling facts and theory
- Diffraction of c60. seeking description of experiment.
- Can we interchange the Dirac Matrices?
- Position representation of a wavefunction - technical issue
- What is the interpretation of the vacuum correlation function in QFT
- Link to description of detector type for double-slit experiment
- super position and mathematical limitations
- Why does Dirac Equation describe spin 1/2 particles?
- A simple question on a modified Double-Slit Experiment
- What is the relation between particle and field?
- Question about waves
- Questions concerning Bhabha scattering
- does diamagnetism cause a faster orbital spin
- 2D H.O., graph phase space in R^2?
- Uncertainty Principle
- Difference between an expectation value and an average
- SO(2,1) Lie Algebra Derivation
- Single Electron D-slit Interference Experiment
- Expectation Value for system of identical particles
- Question about measuring physcial observables
- On the use of Hilbert Spaces to represent states
- Does an electron-positron wavefunction have to be antisymmetric?
- about Ensemble Average
- Density of states
- Neglected solutions to the (free) Dirac equation?
- Regarding orbitals...
- Wavefunction After Measurement
- Richard Feynman's "sum-over-paths" approach to quantum mechanics?
- Wavelength of matter waves at speed equal to zero.
- Question about the "reality of the quantum state" paper by Pusey, Barrettm and Rudolp
- Can the laws of physics be violated?
- Double slit interference with single pencil lead?
- Time dependent potential
- double slit wall made as similar as the screen itself
- Three outcome systems in Bell/CHSH
- Non-unitary process? Doesn't that mean FTL?
- grassman numbers and change of variables
- Entanglement and frame of reference
- Is localization relative?
- Quantum Computers, how do they work?
- Klein Gordon Hamiltonian when changing metric
- Lorentz invariance of a field
- Question about hermitian operators...
- When is operator phi(x) an observable in QFT?
- O(2) symmetry breaking trouble
- How does the Runge-Lenz vector explain accidental degeneracies?
- Question about the double-slit experiment.
- Teleportation Record Broken
- How does a neutral particle interact with a photon?
- Dirac equation
- Electron spin and the Pauli Exclusion Principle.
- What does this example say about the applicability of Bell's inequalities?
- Canonical ensemble derivation
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