View Full Version : Quantum Physics
- Spinor spreading
- Group Velocity
- Spread out wave
- Spring mass model
- Is there no cause and effect relationship in quantum mechanics?
- Quantum cryptography and uncertainty relations
- question about commutation and operator
- What Schrodinger Equation Describes
- Which operator is suitable to define a qubit?
- Pointer states
- de broglie wavelength and velocity
- [Q]Analytic function of operator A
- [Q] Some confuse involving time dependent schrodinger equation and time uncertainty
- Time Evolution of Gaussian Wave packets
- closed-form solutions to the wave equation
- Wien Displacement Law
- Wavelength from collision
- wavelength
- debye einstein model
- Expectation Value of x
- Momentum in QM
- One basic question
- ZPE and Planck distribution
- Proving Hermitian if it has real eigenvalues
- [Q] Time uncertainty and particle energy similar to photon
- What to learn to link EM wave to photon picture?
- [Q]eigenfunction of position operator and negative energy
- DGLAP: Kollinear divergence in splitting functions?
- Wave Function Probability
- WKB-Double Potential Well
- where did the de Broglie waves go?
- Modifications to Einstein-Hilbert action
- [Q]Eigenfunction of inverse opreator and another question.
- [Q]Different interpretation of same wavefucntion.
- What is "vacuum polarization" and "vacuum de-polarization"?
- Anthony Zee's quote
- [Q]Expression of Group velocity in QM
- position measuring device
- Quantum theory of lasers
- help...photoelectrc effect
- non Hermitian Hamiltonian!
- Some quick QM questions
- quantum mechanics and the speed of light
- Mass term in field theory
- Questions about quantum field theory
- Time travel
- Lectures of quantum mechanics?
- Help about the symbols
- divergences in the sense of QFT
- Vector currents, vector fields and bosons
- Operators having Hermitian/Antihermitian part?
- Quantum logic gate measurement?
- [Q]Time deviation of expectation value
- Antiparticle annihilation
- quantum state: how many bases?
- Discrete energy states (explanations in QFT?)
- Formalism and Angular Momentum Expectation Values
- [Q]Conserative theorem and parity
- [Q] parity question.
- Why tensor opeator?
- [Q]Question about harmonic oscilator
- Quantum computation
- Tensor and matrices
- how do we define a wave function?
- Particles being in more than one place at once.
- Eigen functions & eigen vectors
- How to measure J^2?
- Coherent States of the Quantum Harmonic Oscillator
- Normalization and singularities
- What are the normalizations constants of psi(x) in a finite potential box?
- Anti-tunneling?
- The Lorentz force derived from the Klein Gordon equation
- composite bosons
- spinor representation
- Negative energy solutions - Dirac equation
- inconsistancy in QM?
- how can get the eigenvalues of the two spin entangle
- [Q] Sign of wavefunction in PIB
- What happens during a change in orbital state?
- testing
- Where can I find detailed description of cononical quantization?
- QFT overview
- [Q]Three Question.
- Question on electron orbitals and wavelengths??
- Trapped Electrons
- photons and gases (pressure and gravity)
- Uncertainty Principle at T=0
- The propagator
- Virial Theorem
- QM beginner's question about deltafunction potential problem
- Complex conjugate of wave function
- [Q]Hamiltonian of many body problem.
- virtual particles
- What is a bilateral binary rotation?
- Particle oscillating between two wells
- Probability Interpretation of QM
- Unitary transformation
- how useful would a metric independant basis be?
- Cavitation-does it relate to the Big Bang?
- Zero probability
- Hydrogen Atom Wavefunction Boundary conditions
- Double slit experiment: counter?
- photons
- Energy level calculation
- Light emission/absorption revisited by chemical thermodynamics
- Completeness of the Number States
- Planck Scale and Unification of Forces- new research studies
- quantum angular momentum
- Is EVERTHING entangled?
- Does collapse violate exchange symmetry?
- Why 1D well must has this solution?
- Interpretation of probability which includes complex number!
- Refraction - The lingering question
- Infinite potential barrier Q
- Summing spinor products
- Basic Quantum Transport Question
- Many World's Interpretation
- Could positrons be electrons from the future traveling back in time?
- Doppler shift
- Classical vs Quantum Electromagetism
- Are Hilbert spaces uniquely defined for a given system?
- Born vs. ABL
- de broblie waves
- photon mass??
- High momentum transfer, short distances
- Diffraction
- Wouldn't the Geiger Counter be considered a measuring device in SC?
- Please help me understand the basics!
- Do spontaneous and stimulated emission obey to a Boltzmann's statistics ?
- No coupling of Photons with eletric fields
- Delayed Choice Revisited
- photon generation
- A spinor identity
- laser beam uncertainty
- Wigner-Eckart
- Quantum Eraser and Delayed Choice Quantum Eraser
- Size does matter? Rayleigh scattering question
- Inquisitive
- Conservation of momentum in QFT
- Angular Momentum - Hydrogen (Quick Question)
- Relativistic quantum field theory:antiparticles!
- How did Planck come up with 'h'?
- Source material on how Planck came up with h
- Absorption paradox?
- peskin - exponention of disconnected diagrams
- Bird's and Frog's view, Quantum decoherence and consciousness
- Interference pattern given many which-path detectors?
- Need a topic for paper in modern physics
- Quantum effects x classical simulation
- Question about quantization of scalar field
- Looking for Layman's Physical Explanation for energy level in atoms
- Quantum Decoherence - how fast does it propagate?
- stationary state?
- Exclusion principle question.
- Uncertainty Principle
- Aharonov-Bohm effect
- quantum field theory
- Laser Cavity
- Factorization of Numbers, Schrödinger Cats, Riemann Hypothesis
- Phase shift upon external reflection
- the Merli "Electron Interference" movie .. any active links ? ..
- Effects of the Variation of the Parameters of the Standard Model
- QM Misconceptions
- commutate relation of lowering operator and sperical tensor operators
- Quantum Communication
- QM in one sentence
- "older formulation of Pauli exclusion principle"
- Hartree product
- Are electrons particles?
- the intense laser-atom physics and ionized electron
- conjugate variables
- Pulsing a diode laser with very long pulses and very low repetition rates
- Question about the delta function
- How do you determine that a particle is/was entangled?
- identical particles
- Basics of Quantum Chemistry, especially entanglement
- Ket help
- adjoint operator
- Spin rotaion
- operating on spin angular momenta
- Uncertainty and gravity
- spin in arbritary direction
- Does the calculated large cosmological constant in falsify QFT?
- Heisenberg's principle
- Path Integral doubt
- Raising and lowering operators on a ket?
- Looking for Layman's Physical Explanation for the lowest energy level in atoms
- reviewing a possible wrong result of QUANTUM MECHANICS text by Cohen-Tannoudji
- Orders of magnutide in Heisenberg's uncertainty principle
- Adiabatic Spin Manipulation in EPR Experiment
- Evaluating Feynman diagram in QFT without external fermion lines
- Quantifying Negative Energy from Entropy
- compton effect
- gauge invariance
- Reflection and the measurement, and time irreversibility
- please help
- bra of product state
- Pauli's Wave Mechanics text. h vs. hbar
- Raising and lowering operators acting on spin 1 kets?
- Quantized vs. Continuous Variables
- Identical bosons vs. fermions in square potential well
- Density of state
- About momentum operator in other coordinate system
- The Hilbert space of non-relativistic QM
- Quantum Fluctuations of Negative Energy
- fractals and quantum physics
- Quantum physics vs classical physics
- Stern-Gerlach Question
- What energy do electrons actually take in an orbital?
- A simple question about uncertainty principle
- about Compton scattering
- Fundamental reason behind Aufbau principle
- Tunneling?
- Gravitons - magnitude of force
- Sudden Approximation and Adiabatic theorem
- bound state
- The brain and "dark energy"?
- Phonons _ Guage Bosons
- Does local MWT require hidden variables?
- IV curve on photoelectric effect
- Treating operators with continuous spectra as if they had actual eigenvectors?
- FTL communication: might QM entanglement "trump" relativity?
- Hamiltonian matrix problem
- heuristic explanation of why quantum mechanics plus SR imply antiparticles
- Negative energy in Dirac theory
- Entanglement between particles of no common history
- Another Stern-Gerlach Question
- State of an electron, including spin
- Interaction picture (Is there a mistake in QFT books?)
- Interference seen in a member of an entangled pair
- Electrons jumping
- Planck's Constant Related to Velocity of Light?
- Waveguide model of qm
- what is wave packet
- About ground state
- Euclideanizing Path Integrals
- QED: reflection of light in glass
- What's actually happening in the photovoltaic effect
- Ground state wavefunction
- question about time and space
- quantum equation symbols
- spin matrix
- Reduction of QED to QM
- How is entropy defined by boundary area in Holographic Principle?
- A single photon traveling in space
- Wave function and orbital question
- Phase and signal velocity of light inside a medium
- Two Basic Blackbody Radiation quesions
- Hartree & Hartree-Fock
- Quantum states as L^2 functions
- Reasons for phtonic radiation???
- Casimir effect and insulators
- Term Symbols
- understanding of double silts experiment
- Symmetric/Antisymmetric states in nature?
- Molecular Term Symbols
- Hartree-Fock Method vs. Configuration Interaction
- spacetime states in Rovelli's book "Quantum Gravity"
- How does light show particle properties?
- Question about the Scharnhorst effect
- Quatisized Magnetic Fields?
- Pauli's Exclusion principle...
- Reasons for natural occuring forces
- Two Slit Experiment Setup and Variables
- Quantum leap
- Size of a photon's electromagnetic field
- Casimir Effect - min. distance between plates
- Electromagnetic force
- Is Teleportation Mathematically or Theroretically Possible
- The Schrodinger equation
- probability of a wave function
- How do we know atoms exist?
- Is a proton's movement considered a subject of Quantum Mechanics?
- Anti-Particles
- BAC - CAB for operators?
- Local U(1) Guage-Invariance
- How can a atom generate photons ?
- Boson and leptons
- Construction of a Hilbert space and operators on it
- Entanglement Question
- Oscillation in Charged Particles
- Ghosts and the Many Worlds
- Hidden Variables
- Quasi-continuum?
- Can anyone explain the physical meaning of "spin" in QM?
- Standard deviation for a determinate state of observable Q
- Particle confusion
- Trouble with QM's theory on Bell's discovery
- what does off-diagonal term mean?
- quantum model of the atom
- Basic-Questions about Quantum terms
- Vertex operator algebra structure of Virasoro module L(1/2,1/2)
- Vertex operator algebra structure of Virasoro module L(1/2,1/2)
- Double Slit Experiment
- uncertainty principle
- Wavefunction of independent free electron gas at finite temperature
- Bell Theorem
- classical spin of an electron?
- How can something be massless?
- Wave-particle duality and electromagnetic waves
- moment of inertia tensor of an electron?
- Functional integration
- why does strong magnetic field destroy spherical symmetry of atom?
- electron - nucleus collision
- Zero-point energy for Zeroes
- Proof of Heisenberg formula
- Status of deBroglie-Bohm pilot wave theory
- wave function and spatial phase factor
- Do atoms 'create' photons?
- Exploding Black Holes vs. Universal Singularity
- delayed choice quantum eraser experiment in terms of MWI and/or BI
- Motion and growth
- Frequency of Rest Energy ?
- forces in QM
- (global) Gauge invariance and field theory
- Energy becoming mass? Wilczek question
- Heisenberg's uncertainty principle
- Problem with Entanglement
- Electron crash into Proton
- quantum entanglement and information
- Probability Waves
- Spectral theory in quantum mechanics
- addition of angular momenta
- Alpha Radiation
- Incandescence and energy bands
- Basic QED Question
- What contradictions remain between SR and QM?
- Does the Bohm interp. rely on the Leggett-Garg inequality?
- Hamiltonian for non-conservative forces?
- Partial Trace For Tripartite Systems
- connection between isolated eigenvalues and normalizable eigenstates
- Question: Protons and Neutrons Popping into and out of existance
- A way aroung determining which-paths in interference patterns?
- wave function/potential
- Universal Quantum Terms
- Renormalization
- Configuration space vs physical space
- Units of radial wavefunction
- Space and particles
- Question about naive questions
- Quatum Fields, Strings, and Parallel Universe
- Lundeen Steinberg claim to resolve Hardy paradox
- Basic treatment of the hydrogen atom through wave mechanics.
- quantum physics question
- Are the electrons in TV set wave or particle?
- Basis set orthonormality property
- Mulliken Population Analysis
- Please explain what this bra-ket expression means
- inner product of signals (or wavefunction)
- Time ordered products
- Experimental evidence for Hydrogen Wave Function?
- There's only one electron
- Quantization of the nucleus
- Potential Energy Surface in chemical reaction computations
- Question about Lagrangian
- Feynman rules for vector bosons
- eigenvalue of momentum for particle in a box
- Feynman diagrams
- Fields
- EM radiation cross over materials
- Photon reflexion
- negative energy/imaginary momentum
- Zero point energy of hydrogen atom
- spherical symmetry implies zero angular momentum?
- The collapse of one wave function is the creation of another
- charge cloud/mass cloud
- Probability
- Quantum superpositions of mixed states.
- Klein-Gordon linear potential solution
- Momentum in QM
- The surprisingly simple linear potential solution
- Simple double slit question
- Binding Energy question
- How is cosine squared used?
- Absorption/Emission of photons of specific frequency (Doppler Effect)
- rayleigh scattering vs raman scattering
- Please explain this Formalism in Linear Reponse Theory.
- Probability Distribution for Time of Measurement?
- Photon with spin 1. But it only has two projection along z. Why?
- LHC and probability waves
- West versus East
- degenerate time indep. perturbation theory
- Quantum Mechanical Scattering (3D) -- What about forward scattering?
- Mixed Vs Pure States
- quantum computation
- Rest mass, electron movement
- Quantum Erasure
- Bloch's theorem and diagonalization of translation operator
- Why need *complex* wavefunction?
- Delayed Choice Quantum Erasers
- How to deal with index in the problem of thermal field?
- outer product problem of derac notation
- Aharonov bohm effect
- req: A conceptual QFT example
- Angular frequency of a matter patter
- Photoelectric Effect - Electrons
- Another annoying double slit question
- Compton scattering
- Neutron imaging
- why does the system has lower energy if its wave function is symmetric?
- Hydrogen atom ground state with zero orbital angular moment question.
- Proposition for an experiment
- Wavelength and resolution
- what is physical significance of g factor?
- WaveFunction
- force carrier particles
- Matrix representing projection operators
- 2-slit experiment for electron
- Experiment involving photoelectric effect
- Entanglement and Time
- Is a photon's wavelength relative to the velocity of its source?
- Basic atomic picture clarification
- Forced Harmonic Oscillator with Path Integral
- maggiore p.52
- shift in angular momentum axis
- About distinguishable and indistinguishable
- Speculations of an amateur.
- use of trace of an operator?
- inverse of a delta function.
- Discussions Regarding "Quantum Theory", by David Bohm
- schrodinger's equation
- Partial Measurement / Teleportation
- magnetic flux quanta in ground state hydrogen
- electron smear
- Matter
- Shrodinger Equation, where did it come from?
- Quality value of an oscillating electron
- Path integral question
- ehrenfest theorem and Heisenberg quantum mechanics
- Total Randomness or Not?
- Von Neumann machine for the Universe
- Prediction?
- Trouble with some terms.
- Angular Distribution
- Measuring Momentum in QM
- Space and single objects.
- Eliminating the coincidence counter
- Rotation in hilbert space?
- Quantum Mechanical Weirdness
- quantum delay
- exact propagator
- Degeneracy of a quantum state
- How to include contraction symbols in LaTeX
- creation operator
- Need Help (not Homework question)
- SU(2) index convention
- zero mean value operator
- complex momentum density
- Wave-packet spreading...
- Electron tunneling and classic electrdynamics.
- Natural units!
- conductive materials question
- Proof of something.....
- Old Quantum Theory = Oscillations?
- Peculiar feature of a commutator, can anyone explain?
- What is the role of proper time in quantum theory
- Inner product on boson one-particle space
- Dirac-Feynman-action principle and pseudo-differential operators
- Probability Amplitude and Time Evolution Operator
- Recreating Thomas Young's Double Slit Experiment
- Entanglement problem
- Klein gordan equation in electromagnetic potential
- Confusion About Light
- Energy of Electrostatic Charge ?
- FAQ says refraction isn’t from absorption and emission
- MS renormalization
- Fermion & Boson discovery experiment?
- Integrals in the derivation of the Optical Theorem
- Harmonic oscillator in a time-dependent force
- Factor of 'i' and antisymmetrization in Dirac Lagrangian
- Meaning of zero probability density
- Photons vs EM waves
- Questions about the Double Slit Experiment
- Stern-Gerlach experiment
- How to create charge from light?
- accelerated electron photon emission
- QFT question about algebra of charges
- Amplitude for a free particle
- Hermite polynomial and transformation
- game theory and quantum game theory
- Bohm Interpretation and Bell Theorem
- what is an effective field theory
- About bases of complex (Hilbert) space
- Beginner, wondering about wave functions
- determinant of operator
- Question about angular momentum and spin
- Gravitational 2-slit interference
- Baker-Campbell-Hausdorff formula question
- The Line That Seperates QM and Relativity?
- Projecting onto an eigenstate when we make a measurement
- about symmetry
- Free Particle
- what is semi-classical level counting?
- If particles always decay into particles of smaller mass, how are larger particles...
- Quantum Well Transistors
- entanglement criterion for identical particle
- Trying to be clear on EPR....
- simple uncertainty question
- non-Hermitian Hamiltonians
- solving using schrodinger equation techniques
- What is wavefunction
- grand unified theories and quantum mechanics
- degeneracy
- What happen to a single photon entering a PBS.
- Double Slit Experiment and Electron Spin
- Schrodinger Equation
- Entanglement as a resource
- electron collision
- Some quantum dynamics simulations
- Momentum operator for a free particle with a definite momentum and Energy
- Light (wave and particle theory)
- Double Slit experiment
- Gedankenexperiment on quantum entanglement
- Gaussian Integral Identity with Grassmann Numbers
- Hardy's paradox
- energyeigenvalue....
- Distinguishing between eigenstates
- Orbital Angular Momentum and Uncertainty?
- Schrodinger's cat questions
- symmetric kinetic energy
- Zero-frequency modes
- Proof of Gelfand-Maurin Nuclear Spectral Theorem?
- bootstrap idea holding up?
- sum of two slater determinants
- Yukawa Potential
- Random definition
- polarization of light
- Frequency of an electron
- Schroedinger eq. for a charged particle in a magnetic field - translation operators
- How can a point particle spin?
- Determining wether consciousness is required in the double-slit experiment
- Does anyone know about Quantum Computing?
- longitudinal Zeeman effect
- eigenstate
- classification of schrodinger equation?
- Deriving the Dirac equation from an action principle
- a photon's speed
- Diffraction limited spot
- What is principal value integral?
- lowest-order correction for the bendulum
- Generating Functional for Yukawa Interactions
- General Modern Physics questions
- Hogg's Search Algorithm - QC
- Peskin Schröder Chapter 7.1 Field Strength Renormalization
- Discrete energy level of schrodinger's equation
- Bound states in relativistic quantum mechanics
- classical or quantum spinor
- Optical polarization conversion
- Energy & Time, Momentum & Position
- solutions to the TISE for "unbound states"
- Grover's Algorithm: is it really a search algorithm
- Finding the Mystery gas questions
- phase in quantum mechanics
- unitary transforms
- figuring out the frequency of light using a solar cell
- Probability of simultaneous measurements of momentum and position
- Dirac Equation for a moving square potential well
- Recombination lines
- Number of vibrations in a photon
- Effect of the raising operator on an l=1 m=1 state
- Integration on the way to Generating Functional for the free Dirac Field
- The Neutron
- Empty waves in Bohm theory
- Quantum Frequencies?
- Quantum Effects in Biology.
- quantum physics
- Measurement/observation in QM...
- Schrodinger equation from commuation relations
- Maser Frequency
- LaTeX code for Quantum
- Prove zero point energy without calculation?
- Heisenberg uncertainty - uncertainty about its meaning
- zero momentum distribution and consequences on uncertainty principle
- when s-wave scattering length diverges
- Experiment -> QM postulates
- Quantum and Consciousness
- why do particles act like waves
- field constituents
- Light Wavelength increases over a distance
- Fourier Transform
- Force Carriers - How do they work?
- How does Classical Determinism Result from QM?
- What is entanglement?
- Quaternions in QM
- classical limit of the path integral
- ab initio structure constant
- Paradox Regarding Hermiticity
- Matrix mechanics
- spin matrix
- quantum collapse
- Spinor index notation craziness
- C-not
- Gaseous system: Meaning of this integral eq.
- Speciality of position momentum representation
- Advice needed for science project.
- Operator Equation
- question about number operator and density operator
- Why Gaussian wave packet?
- proof of de broglie equation?
- Light in electrostatic potential
- chaso: Hydrogen atom in a microwave field?
- Consequences of Hardy's paradox and joint weak measurement
- How to compute Hydrogen Inner Products <n,l+1,m+1|n,l-1,m+1>?
- double slit photon deflection
- spin
- Quantum Teleportation and Fusion
- Choose out the spectrum
- Eigenstates
- Renormalization of phi^4 Theory d dimensional Integral, Derivation in Peskin Schröder
- What is the operational difference between a quantum field and projection operators?
- water induced decoherence
- Basic question about entanglement
- Quantum Computors
- Bell’s inequality
- Does entanglement violate special relativity?
- A question about <p>
- Is this a valid example of macroscopic quantum behavior?
- Spin Selection Rule
- Radioactive decay and relativity
- Applications of Schrodingers Equation
- quantizing fields
- Meaning Behind Probability Amplitude
- Casimir effect vs vdW forces
- Something to do with space being time 0.o
- Particle Superposition
- Ehrenfest's Theorem
- The effect of wavefunction collapse on spacetime?
- Bound states and Current density
- How Many Parallel Worlds Are There?
- group theory
- Time ind. S.E., qualitative solution
- What is "virtual energy level"?
- numerially integrate the radial schrodinger equation
- Quantum Contact Conductance
- quantum eraser experiment
- Gravity across Multiple Dimensions
- Change in energy equation
- Fermions and parity
- David Bohm's Lens-defined model of brain function
- How to calculate density of states without box?
- Question about Renormalization Group Equation
- Symmetry Breaking
- Ground state of a potential
- Linear Superposition of Hamiltonians
- de Broglie Wavelength Derivation
- Lengendre Polynomials of cos(theta)
- Thought Experiment Involving Quantum Entanglement
- Derivative Terms of Effective Action
- Exponent of disconnected feynman diagrams
- Help wanted in understanding many worlds theory
- MWI, decoherence, and interference
- attraction and repulsion of e- and p+
- Planck length to mass ratio
- Alternative Feynman Diagram Calculation of Axial Anomaly
- partial quantum / partial classical?
- Nothing-Something
- complex scalar field
- What is the Triplet state
- The role of false info in the Copenhagen Int.
- Effect of changes in Stern-Gerlach fields
- Spinors and spatial coordinates
- QM vs SR
- QED photon field
- question about planck charge
- Double-Slit Wave Equation?
- Schrodinger Equation for a central 2D potential
- Entanglement: I am confused as to what actually happens in this process
- Quantum fields spacetime
- Schrodinger Equation and wavefunction collapse
- How fundamental is inverse square law?
- forces unified at the time of the big bang
- answer to einsteins paradox
- How to picture atomic/electron orbitals
- Feshbach resonance
- The many worlds theory
- Time-varying expectation values
- When can the time-independent Schrodinger be used?
- What do these states mean physically?
- Bohmian interpretaion and the special relativity
- Double slit and quater wave plates
- How "Real" Are Virtual Particles?
- two slits, one photon
- Particle Distingiushability
- Discrete Analog of Schrodinger Equation?
- Su(2)
- spherical shell
- Results and Observer
- Quantum brain
- How does Many Worlds theory explain Schroedinger's cat
- [Q]Queation about Photon and Electric discharge.
- Photons and Double Slit Experiment
- Triplet state question
- Clebsch-Gordan Theorem??
- calculate energy level spectra?
- question about lorentz-covariance of Dirac equation
- Branch-cut singularity and the multiparticle contribution to the full propagator
- Let us assume Feynman was wrong.
- Was Bohr's version of quantum mechanics deeply flawed
- One particle at a time
- What’s Dispersion got to do with Schroedinger?
- thought I had on the nature of randomness.
- Anomoly in calculations/standard value for electron energy levels
- Is it possible to derive HUP from SE?
- how would one collapse a molecular wavefunction?
- First order self-consistent Born approximation?
- A puzzle of symmetries in QM
- Massive and massless modes of the anchored string.
- Electron-electron scattering
- A question about solving the energy eigenvalue of a given Hamiltonian operator
- reps of lorentz group and pauli and gamma matrices
- emission line width and the uncertainty principle
- What happens when electrons crash into their proton
- He+1 energy level.
- Fractals and quantum physics
- Unbounded operators in non-relativistic QM of one spin-0 particle
- How do "deterministic" Bohmian/Pilot Wave Theories Handle These?
- Question on entanglement
- When is a hamiltonian separable and when isnt it?
- quantum Orbitals in the atom...
- Electron speeds in orbitals
- Question about Hydrogen Atom Solution
- Connection Formulas in the WKB approximation
- Does the existence of an infinite number of universes allow for reincarnation to exis
- Su(2)
- A lttile though on multiverses.
- help me
- Defense of pilot wave theory against Motl
- Finding averages of observables of Bell states
- particles traveling backwards in time
- Pure spin current vs. spin-polarized charge current?
- question about double slit experiment
- h=1
- the universe
- Past Uncertainty
- Just a quick question about some basic terms in QM
- Showing that wave functions are continuous
- Instantons
- CP maps
- Bloch sphere
- The duble slit expriment
- chapter 20. Peskin
- It's impossible !.
- Question about wave forms
- Creating : one frame at a time
- light-cone gauge quantisation of point particle
- Degenerate basis, incomplete set of operators
- Lets light Something on Fire
- Quantum entanglement
- Perplexing commutator
- fair dice and two slit experiment
- Helium energy diagram
- inverse spectral problem in QM
- Why Bohr's model was wrong
- Aharonov–Bohm Effect, Experiments, Applications, etc
- IR and UV divergences
- Switching to a Matrix Hamiltonian -- Conceptual Issues
- What is hidden subgroup in QC?
- Matter + Antimatter Bound State Mathematics
- HUP: Particles <=> ?
- Fictional novel about quantum physics - looking for title
- The Bohr's radius
- Raman Spectroscopy
- Bohm Interpretation
- Uncertainty with Hesienberg’s Uncertainty
- Proof of correctness of MWI
- Observation and Gravity
- NMR operators
- Noncommutative integral?
- QCD lambda parameter
- superposition/electron energy levels
- what does it mean that two particles have opposite spins?
- Stochastic resonance and tunneling
- Time evolution of state
- Do virtual photons Doppler-shift?
- Spin = -1/2
- SF-Mott insulator transition and Wigner-mermin theorem
- Against "realism"
- From QED to Maxwell
- i need help locating quantum entanglement experiments
- question about spacetime quantization
- Modern physics
- Laser question (Confinement factor and quantum well thickness)
- Transactional Interpretation and Expanding Universe
- EM Field strength and plane waves
- Bohmian Interpretation: Equivalent or not to Standard QM
- Why No Decoherence?
- Wave propagation, +z or -z
- Velocity, density, ect. : air : molecules :: spinor field :?:?
- 3-d harmonic oscillator and SU(3) - how to imagine it?
- determinism from periodic dynamics?
- Quantum Physics ?
- Interpretation of the field operator
- QM 1st order perturbation theory
- Drawbacks of bohr's model of atom
- Zero Spin?
- Energy Conservation in an expanded 1D box
- Does quantum mechanical definition of momentum require "movement"?
- Feynman rules of non-linear Sigma model
- dirac's Coupling to an electromagnetic field and schroedingers
- Choice of source photon production in entanglement experiments
- Question about Hartree Approx
- What exactly is an oscillator in quantum physical context?
- Explaining quantum coherence to a layman...
- U(1):?:SU(3) :: 1D:2D:3D harmonic oscillator.
- classical counterpart of the quantum |nlm> states
- Defined pattern of a photon?
- Postulates of many worlds interpretation of QM
- Hydrogen spectrum hyperfine structure
- Many worlds / parallel universes & improbable events
- dot product of two pauli matrices
- Time Dependent Schrodinger Equation -> T(t) solution
- quantum-classical correspondence?
- Introductory books on quantum mechanics
- Question about Braket notation
- errata for Bohm's Quantum Theory text
- symmetries in qft
- Quantum Walks on the Hypercube
- Spin 3/2
- The smallest measurement device
- Effective potential and Uehling potential
- U(1):SU(2):SU(3):? :: 1D:2D:3D:4D harmonic oscillator?
- a surprising operator
- Bound state condition for yukawa
- Does polarization of the light change after reflecting from layer structure?
- Harmonic Oscillator energy = WKB approximate energy...why?
- why do high energies correspond to small distances
- Why do molecules not fall apart under observation?
- Questions from a Newbie
- zeman effect
- About ladder operator
- Inelastic collisions
- about dirac equation
- Time
- Second quantization and partial traces
- Infinite Square Well
- SU(2) Spinor Question
- Systems with global phase invariance, 3D string?
- laser question (auger recombination)
- why would entangled particles light years away need to be able to cancel?
- Why is gold golden in colour?
- Frequency operators
- Multi-electron wavefunctions
- Tunneling effect in Supercapacitors ???
- Simple question about anticommuting numbers
- Schrodinger Equations - wave propagation
- Formulation of Quantum Mechanics?
- What is the difference between quantum mechanics and quantum physics?
- stationary schrodinger equation (basic problems regarding the basis being used)
- Double Slit Experiment Near The Singularity of a black hole
- Why of probability in QM
- practical examples of superposition?
- root of number operator?
- Expectation Velues
- Quantum Field Time Space,
- why doesn't the electron fall into the nucleus!?
- Could almost nothing really be something? Fourier series.
- Dimensions of fields in QFT
- How to operate on product state?
- Density Matrix in that DFT bible book
- Free choice experiments in MWI?
- QM Phase & Four-Vectors
- How come there is a particle with zero mass??
- Superconductivity
- Ballentine 3.11
- Property that gives electrons charge.
- Suppose there is an extra compact dimension, and suppose...
- fermi-Dirac Distribution
- Fermi Energy
- Reflection
- Virtual Particles
- Quantum Tunneling in a Scanning Tunneling Microscope
- Speed of Atoms
- Wave-particle duality and the photo-electric effect
- meassuring spectrum
- Dihydrogen Spin Isomers
- Bound State Condition
- Commutator of charges in QFT
- The Heisenberg Uncertainty Principle
- Vacuum
- Doubt understanding one thing about the Franck-Hertz experiment
- Elecron spin
- Equation 2.14 in Srednicki
- Commutators of Lorentz generators
- vacuum fluctuation
- Qft, qed, qcd
- preparing a certain superposition of electron states
- Quantum harmonic oscillator
- Quantum entangled particles
- Uncertainty Principle?
- about density operator
- The probe passes over an atom that is 3.20×10^2 nm "tall."
- In a multielectron atom
- Hydrogen Atom
- Hydrogen Atom
- product state and orthorgonality
- Wall Street Journal on Entanglement
- What are orthogonal wavefunctions?
- Adding Spins
- Changing wavelength while preserving geometry?
- Negative and Complex Probability?
- frequency of light calculated from wavefunctions
- Multi-space instantaneous existence.
- electron spin
- Peskin and Schroeder p. 20-21
- Momentum transferred even though no collapse?
- Bohmian Mechanics: Do photons travel faster than c in double slit experiment?
- Do particles know their destination before setting out?
- Changing The Shape of a potential well
- Photon-photon collision confusion...
- Interactions between e-m radiation and matter.
- Sodium emission spectrum
- Sound Waves?
- Electric Attractions
- Polyatomic quantum harmonic oscillator
- Angled electron reflection, coherency
- Invariant of a helicoid, like an electron but not quite.
- EPR paradox
- Does a single photon have a wavelength?
- The Pauli-Lubanski vector for massless particles
- question about spectral lines
- BM, initial state and information
- probability current proportional to density
- uncertainty principle
- How do you use the inverse scattering transform?
- Finding eigenvalues of a Hamiltonian involving Sz, Sz^2 and Sx
- What is spin?
- Schrodinger equation of a free particle in the rectilinear
- Can quantum entanglement violate the no hair theorem?
- A question on MWI (for Dmitry67)
- Off diagonal element of density matrix
- BM/dBB and Entanglement, Non-contextuality
- Phonon Spectrum
- Vacuum energy in Wess-Zumino model
- Quantum measurement of energy
- momentum eigenstates particle in box
- An equation about antimatter
- Zeemen Effet - having trouble understanding
- Fields in general background
- Quantum eraser experiment
- Double Slit Question
- Quantum friction due to vacuum energy
- Quantum tunneling
- Expectation value of two annihilation operators
- is there any way to use quantum teleportation
- what are the problem We have in Quantum process
- eulers equation, i think? leonard suskin
- Continuous space(time)?
- Rotating wave approximation
- L-edge of absorption
- Time on the Quantum Scale
- elicity of dirac eigenstates
- NextNano3 simulation and some physics help
- A little notation help, on quantum coding
- quantum mechanics replacing bohr model
- Measurements and The Copenhagen Interpretation
- The Position Operator
- Completeness of Eigenfunctions
- Lagrangian formalism
- Relativistic Quantum Mechanics
- Plasmon energy storage
- Energy of electron and its effective mass
- Polarizaition and dipole moment?
- Implicate order
- Step potential - question about reflection coefficient
- Different Double Slit Experiment
- spin orbit coupling/orbital degeneracy
- Feynman's double-slit experiment
- Difference/Relation between Eigenvector Matrix and Q matrix in QR decomposition
- Twilight zone?
- Are photons affected by the strong force? The weak force?
- Path Integrals in Peskin
- Bohmian Mechanics and the two slit experiment
- Compton Scattering
- Quatum Mechanics Explains Black Hole Jets
- Variation in action for modified EM Field Action
- Relation for Inner Product with States from a Complete Set
- Does a single photon have a wavelength?
- how does the electron tunnel?
- two photons spontaneous emission (2s->1s)
- How to solve the Klein Gordon Complex Field?
- Fermi energy of Nucleus
- What tool do they use to look at newtrons protons and electrons?
- Delayed choice quantum eraser experiment
- Quantum Computers/Gravity
- Qm101
- Uncertainty principle and Wave-particle duality
- From Noether's Theorem to Stress-Energy Tensor
- Quantum tunneling and energy conservation
- solitons and Heisenberg uncertainty
- Entangled Photon Generation
- Non moving photon
- Another question about tensor derivatives
- How does the quantum model justify accelerating electrons not losing energy?
- Random walks and conservation laws in average
- Compton effect...does the electron radiate?
- Idea for light speed or possibly faster than light speed travel?
- Time and atoms
- Electron
- Generalizing entanglement: Aren't all quantum "events" superluminal?
- Muon counter?
- Quantum Entanglement
- polynomial wavefunction - basic math qu.
- angular momentum in whole numbers
- colapse of the Wave Funcion and the Schroedinger Equation
- when is a propagator on shell?
- "quantum to classical transition" or "classical limit"?
- photoelectric efffect question
- Quantum Tunneling Experiments
- The CRT and Electron Superposition
- Solving a differential equation similar to Legendre
- Buckyball Interference, classical/quantum border?
- no-communication theorem question
- renormalizable quantum field theories
- Is the path integral well defined
- Atom Stability and harmonic oscillator
- Validity of Mathematical Proof of Uncertainty Principle
- Potential energies
- Alternative formalization of quantum mechanics?
- normalized function and minimum energy
- Franson Interferometry
- Questions over Quantum Physics
- Photon never have charge¿
- The role of complex conjugation in QM
- Expressing the Klein Gordon Hamiltonian in terms of ladder operators
- Length of closed orbits
- Convergence of vacuum state of Klein Gordon field in a box
- what makes schrodinger cat quantum?
- Any benefits of uncertaintity?
- probability that energy level is occupied
- "Einstein's 'Spooky Physics' Gets More Entangled"
- waves..or particles..??
- Interpretation of the creation and annihilation operators of a (free) scalar field
- Pair Production and Annihilation
- 4-momentum of a massive scalar field in terms of creation and annihilation operators
- Do Gravitons Attract Other Gravitons?
- operator and measurement
- Hg vapor energy levels & Frank-Hertz experiment
- Reason for Fourier transform convention in QM?
- Scattering of Light
- Matter and Energy
- about dipole moment
- Question about properties of light?
- Klein Paradox
- textbook question - number of states
- Time
- Exchange interaction
- Problem with Doppler Broadening
- total angular momentum of N identical bosons
- Lorentz Transformation and Creation Operators
- Zeeman Effect (Weak Field)
- Yet another question about the double slits
- Entanglement, causality and local realism
- What operators can we measure directly?
- Spin
- Divergent tree level Feynman diagrams?
- discretization of Lz
- Force Carriers, Mass, and Speed
- question about scattering and emission
- Laser Broadening
- Dirac Notation.
- Allowed wave vectors of CNT
- Hadamard integral for IR and UV divergences
- Quantum Foam vs Zero Point Energy
- Fourier Transforms, Momentum and Position
- Time evolution of an entangled state
- What are "Jacobi coordinates," and why are they useful?
- about Rabi frequency
- software to calculate simple commutator relation ??
- Super-position / Duality Physically Real?
- Electron's Orbit
- beta function QED
- macroscopic quantum objects
- Counterterms, Srednicki
- Problems in elementary QFT
- Normalization of Wave-Function
- black hole laser or condensate?
- The Schwarz-Hora effect
- kinetic energy of matter
- Weak and strong interaction are attactive or repulsive force?
- Is the principal objection to decoherence thermodynamical?
- basic question on a vector superfield
- Quantum Kinetic Theory
- Helicity and Weyl spinors
- Introduction to Quantum Cryptography
- quantization of orbits
- decoherence of BECs?
- Uncertainty principle in classical mechanics boundary
- broken symmetry
- a mental picture of entanglement?
- why fundamental quantization of energy is hv?
- Poincare-representation of majorana spinor
- Implicate order
- Resolution to the Delayed choice quantum eraser?
- Quantum Mechanical analogy of Newton's third law
- Derivation of Uncertainty Princple
- Photoelectric effect and light polarization in Wikipedia
- Massless representations of the Poincare group
- The ensemble interpretation of QM
- Pre-requisites for path integral formulation???
- Operator in exponential function and generating function
- What would be outcome of experiment?
- 3D phase space of point particle and spinors.
- K.P. 8 band model
- Relation between decay rate (lifetime) and spectral width
- Electron in a potential well
- Question about a harmonic oscillator integral
- gauge invariance of superpotential
- Path integral formulation
- Beyond semiclassical approach
- Questions on chapter 95 in Srednickis QFT book, Supersymmetry
- A pair of 2D harmonic oscillators at a point and Dirac eq.
- If light were an electromagnetic wave...
- Uncertainty of a single photon in light scattering question
- Compton effect vs photolectric effect
- Commuting operators => Common eigenfunctions?
- Transmission function(probability) T(E) in tight binding
- Single Photon Polarization
- How does CMBR differ from ether (SR self study -- Question from W. Rindler)
- From Cartan's Theory of Spinors, x1^2 + x2^2 + x3^2 = 0
- expectation value for Gaussian Wave packet
- Quantum Mechanics and Special Relativity (violations)
- What is the value of the fine structure constant at Planck energy?
- Polarization-maintaining fiber at the photon level
- Resulting state vector interpretation
- the significance of commutation
- Wanted: quotes that encourage thinking of experiments instead of measurements
- Spooky action at a distance
- conservation of weak isospin
- SU(2) in Standard Model and SUSY extensions
- Quantum computing?
- Wave Equation in 2 Dimensions - Basic
- How to solve generalised eigenvalue problems?
- Density matrix doubt
- qchem vs qphys
- Deriving Q function
- Polarization Eraser & Entanglement
- what is the self-energy
- Question about the Klein Gordon Propagator
- green function (retarted)
- Eikonal Factor
- Point Particles vs. String Theory
- Superpositons of a uranium atom
- massless particles
- Black Hole Questions
- Superposition of the electron
- Energy transfer in Teleportation
- infinite potential well
- Quantum Teleportation
- Graviton and Photon Emission
- Empty Space
- Quantum mechanical resistivity
- 2 Calabi-Yau Questions
- spinors
- Electron Double-Slit
- annihilation - matter/antimatter
- double slit experiment, question on when the path is "determined"
- What is a 'magnetic substate'? (Magnetic-Optical Traps)
- Is Quantum Physics the theory of everything if...
- about photon
- Is the generation of one electron at a time probabilistic or deterministic ?
- Conway and Kochen FW theorem
- first energy level
- Atomic energy level
- Some confusion about Ballentine Sec 3.3 Generators of Gallilei Groups
- Hardy's Paradox
- Angular momentum and hydrogens atom
- from wave to ket
- Compton Scattering from bound electrons
- Multiple particle system
- Collapse of Pauli exclusion principle
- Why do subatomic particles act the way they are?
- Bra-ket notation
- Is there an intermediate 'particle' to pair production?
- Q about light.
- hamiltonian with two masses
- Is Spacetime smooth?
- Spontaneous parametric down-conversion practicalities
- Short distance divergences in thermal states
- landau pole
- Derivative in Dirac Notation
- Quantum Physics and Parallel Universes...and your mind...
- Difference between LDOS and transmission function
- Electrons
- Uncertainty by relativity
- wavevector?
- Schmidt Decomposition
- Quantum Mechianics and Telecommunications Engineering?
- Photons and the Uncertainty Principle
- srednicki p.81
- optical theorem
- normal coordinate substitutions with periodic boundary conditions
- jahn-teller theorem and the CH_4 molecule
- does probability have units
- How to prepare pure state?
- Why can fermions occupy only one state and..
- Relating the time evoution operator for the state vector to the classical hamiltonian
- question on step potentials and schrodingers equatio
- Unitary operator/matrix
- How high can transmission function be?
- SU(N) generators
- Angular commutation relations
- How to plot orbitals
- Shape of a free electron wave
- Confused about the graviton
- ANSWER me precisely
- Parallel universes and the Quantum Field
- On the definition of Von Neumann entropy
- Moments in QM
- Electron Phase..positive and negative?
- A silly question I'm sure about Feynman's "many paths"
- Autocompensation of polarization state changes - Mirror/reflector and Faraday mirror
- Cutting off our Ignorance:renormalization
- polar coupling between electrons and optical phonons
- QM support for Hardy
- What is a boson?
- How does the Electron get knocked off by a photon
- Lorentz Algebra in Boosts for the spin-1/2 Dirac Field
- Uncertainty principle violation?
- Quantum Tunneling - some silly thoughts
- wavefunction for particle inside a disk
- books on experimental QM
- Interpretations (Continued Discussion)
- Is 3s to 2s transition for Hygrogen forbidden?
- Faster-than-light communication
- Alternative linear comb. to vizualize hydrogenic orbitals p,d etc
- path integrals in QED
- peskin versus effective action
- The Difference Between a Few Terms
- UV/IR - what do they mean??
- Intro QM questions
- Electrons vs Quarks
- uncertainty in simple harmonic oscilator
- Very elementary notation question
- "Generator of rotations"...rotations of WHAT?
- Light Charge?
- Good Perturbation/Catastrophe Theory Books?
- Commutator of Position and Energy
- Simultaneous diagonalization and replacement of operators with eigenvalues...?
- Casimir Effect.
- symmetry restoration
- Young's Double Slit experiment
- Particle collisions collapse wave function?
- About feynman rules for an external field
- Can energy be lost from a Photon?
- Physics Forums prize question
- Momentum Representation
- Photoelectric effect
- Quantum cryptography
- solution gross pitaevskii equation
- Did photon obey Uncertainity Principle?
- antigravity
- metal
- Synthesis between Quantum Chaos and QFT.
- Question about visible light properties.
- I Need Convincing
- BECs and hidden variables
- energy density of surface states
- Angular Momentum & Plank's Constant
- Majorana equation in Algebra of Physical Space
- black body radiation: can you help me understand it (better)?
- Radioactive Decay
- The Born Rule has died
- Virtual Particles Creation
- Quantum theory and causality
- How does the Schrödinger equation lead to the QM theory of measurement?
- Quantum foam
- Free particle and its energy.
- Four momentum vector from energy-momentum-tensor
- Interpretations of Quantum Mechanics
- Energy, Time, Position, Momentum which is more fundamental?
- Question about Dirac equation
- Thickness of Quantum Well ??
- waves - bound and unbound states
- Feynman diagram: incoming and outgoing particles
- Charge Density from Density Matrix?
- Spontaneous Symmetry breaking,phase factor
- Non-degenerate and degenerate perturbation theory
- perpendicularity of quantuum states
- What do you think these Weak Measurement, Quantum Uncollapse Tests. Re-write QM??
- Just a thought
- one-qbit quantum gates
- Self-action, for what reason?
- What is the definition of a momentum *measurement*?
- Most accurate form of maxwell equations?
- Reflecting photons off a surface
- Relational Interpretation of QM
- what CAUSES black cody radiation?
- Relational reasoning (Rovelli's RQM, Smolin etc)
- (In)distinguishable particles
- Ionisation and the Photoelectrical Effect
- Answer me precisely__3
- How to make light act like a particle?
- Irreducible Representations of so(4,C)
- Euclideanized Action
- spatial linewidth and density matrix
- Pertubation and density matrix
- Entropy and the Uncertainty Principle
- Questions about variations on Double Slit experiment
- Cave of the Winds, CO - photons
- Fourier transform of a wave equation
- The LSZ reduction formula
- isn't classical "spin" an instance of spin 1?
- density matrix
- Spin 360 rotation - experiment
- hilbert space dimension contradiction
- Seeking "Point Particle" Explanation
- Emissive power for a gas
- Virtual particles
- Diffraction Grating Video (QED)
- Quantum Experiments Videos
- Question on function of operators
- Photoelectric Effect
- Quantum Harmonic Oscillator
- Why "mediated by photons"?
- Quantum boundaries
- QED photon vs photon as particle
- one more naive Q?
- spin density matrix
- I really need help with spin quantum number.
- absorption in nonrelativistic quantum m.
- Path Integral Propagator Normalization in Lewis Ryder's QFT book
- Qm=>qft
- How does MWI resolve low probability multiverse events?
- Laser field: pump & probe
- Particle and Wave Models
- spin density matrix
- Little fundamental question
- Having trouble understanding the wave function collapse.
- Finite Square Wells.
- Invariance of Schrödinger's equation
- Fermions in bound states and their wavefunctions
- Using Standard Model
- Decoherence vs. entropy
- Photons do not travel in straight lines
- Photons wave-like behaviour
- Dirac conserved current vs Klein-Gordon conserved current
- Photoelectric and Compton Effects
- Time and Space Theory (pleas critic and give your ideas)
- Pauli's exclusion principle and cooper pairs
- Popper/Lande interpretation of QM
- What is the wavefunction of the localized particle?
- Application of Bethe Ansatz
- Born Approximation.
- Formation of entanglement
- What is the essence of quantization?
- Photon wavelength quantization?
- analytical expression of the excited landau level wave functions
- What's the total angular momentum operator for a system of two particles?
- Simplified Heisenberg Hamiltonian; Linear combinations of basis states
- Self-Adjoint Operators and Reversible Logic gates
- QM vs. null hypothesis
- Sampling at 1/n Planck time.
- More Path Integral questions
- Quantum Cosmology - Imaginary Time
- Does particle interaction take time?
- Quantum Leaping & Perpetual Motion?
- Billiards and Quantum Physics -- A Thought Experiment
- Problem with Path Integral Expressions in Peskin And Schroeder Section 9.1
- Problem with modeling solar cell voltage distribution
- Bohm and Hardy
- What is Rabi frequency?
- Classical Limit of QFT?
- Genereral:Questions about Srednicki's QFT
- one atom in space what happens
- Degenerate perturbation
- Negative Probabilities
- Reality, locality and determinacy.
- quick Question: Normalising phi for the Hydrogen atom.
- Transition from QFT to Classical Physics using Path Integrals?
- New Law of Physics Could Explain Quantum Mysteries
- Does size matter in wave to particle momentum transfer?
- Quantum Measurements and Macroscopic Objects
- Negative energy photon emission
- Quantum superposition
- About Feynman's 'QED:The strange theory of light and matter'
- Srednicki Path Integrals eq 6.22
- I think I have good questions! About superposition and splitting
- wilson loops (srednicki eqn. 82.37)
- is this good
- Did any scientist did experiment to prove that current measurement changed the past?
- Unpolarized current
- Quantum Locality
- reconstruction of potential V(x)
- Momentum conservation in the photoelectric effect
- Amplitude of a photon
- Bifurcation and information
- How is entanglement not "weird"?
- wick rotation is consistent with caculus?
- QM mathematical structure
- Pion Nucleon Scattering
- Tunneling on a macroscopic scale
- derived form of plancks distance
- There is no Copenhagen interpretation of QM
- The Wavefunction
- Thomas Young's Double Slit Experiment
- Paradox in EPR like setup
- Two basic questions.
- Nuclear magnetic resonance dipole dipole interaction
- about chemistry
- the wave equation in a Black Hole.
- A local deterministic theory that violates Bell's inequaities
- dirac delta
- electron transition
- question about color filter in experiment planck's contants
- About an (informal, discussion-oriented) Quantum Physics model
- Is Monochromatic Light Real?
- Polarization by reflection
- Stern Gerlach Experiment
- Photon
- a few general questions
- Question of Measurement
- Quantum uncertainty on macroscopic scale
- Wave function collapse and entanglement
- Deriving Dirac Equation
- Alternate formulation of Dirac Notation
- Two-photon physics
- quantum corrections to force laws
- The Quantum Theory of Fields: Effective or Fundamental?
- Bohr's Quantization of Angular Momentum
- Macroscopic Realism
- NMR and energy inside the coil
- Photon absorption and probability of atomic electron transition
- Good mathematics/mathematical physics book with classical/quantum mechanics info?
- Varying mass in Schrodinger Equation
- Arrow and/or Pendulum of Time
- Einstein on QM
- Uncertainty v. Predictability
- Could someone explain the "Schrodinger's Cat" experiment to me?
- Double Slit Question
- a funny question into my mind. If you are completely isolated from all environment,
- azimuthal quantum number,l and magnetic quantum number, m
- uncertainty rule
- how to check if Lagrangian is parity invariant?
- is the hamiltonian the only function that has unitary time evolution?
- Need Help Understanding Misner Space Terminology
- Metric and Covariant Derivative
- Why doesn't the electron have a definite position?
- sequential stern-gerlach experiment
- about matter waves
- Attractive forces
- Copenhagen: Measured or Observed?
- What Exactually is a Photon?
- IS THIS the Heisenberg uncertainity principle?
- About Wave Functions
- Questions about the de-Broglie Bohm interpretation
- Moving from Dirac equation to Lagrangian density
- Entanglement of photons
- measurement
- Eigenfunction
- Position Measurement
- what exactly is the solution for principle of locality and speed of light?
- Elastic scattering and momentum conservation
- Varying cross section superconductor
- Please suggest a book including cross section
- Commutator of kinetic energy and potential energy
- What exactly is barrier tunneling and potential barrier?
- Velocity of spin & electron velocity ?
- The Uncertainity Principle
- What is actually phase velocity??
- Velocity dependent fermion number?
- Quantum effects at the neurological level
- Birgit Dopfer's Phd Thesis
- what happens to the wave function after an operator transformation?
- Particle Creation in the Bohmian Approach
- Correlation Functions in Path Integral Formulation of QFT
- about the first postulate
- Orthogonality of wave function of finite potential well
- hermitian operators in schrodinger eqn.
- Is there slight evidence we live in block universe?
- Controlling Spin of an Entangled Particle, Causality
- Quick question on the Schrodinger symmetry group
- What is a measurement? (layperson question)
- average energy of a harmonic oscillator
- De Broglie Wavelength - How does this hold for slow objects?
- Bell inequality tests questions
- Spin question
- Have magnetic monopoles been detected?
- Time as a series of interactions
- Carrier Mobility of a semiconductor
- More correlation functions (Chapter 4, Peskin and Schroeder)
- Uncertainty principle
- ask for need
- The Source of Proton Charge
- Electromagnetic fields around neutrons?
- Heisenberg's microscope
- Thermodynamic Basis of the Exclusion Principle
- Planck's constant
- Self-reference, measurment and entanglement
- Is anything physically impossible in quantum mechanics?
- Stern-Gerlach
- Is there an explanation of Quantum Tunneling Using QFT and not QM?
- operation on a state vector
- quantum harmonic oscillator
- Uncertainty principle and standard deviation.
- photons
- Stimulated Emission
- Wave Properties of Electrons and their Atomic Orbitals
- Can we predict element decay using Quantum mechanics?
- Uncertainty principle and limit of momentum.
- one question about h*f=m*c*c
- Poisson brackets, commutators, transformations
- What are postulates and what are derived?
- Quantized energy in infinite potential well
- Electron movement
- Confusion about getting uncertainty by using differetiation.
- A very simple question re: entangled photons
- Solution to the Problem of Correlation of Matter and Field
- Interpretation of Interaction in Boosts in QFT
- A newbies question on randomness.
- Aren't Entanglement & Uncertainty mutually exclusive?
- Naive picture of understanding Spin-Orbit Coupling
- difference between SU(N)xU(1) and U(N)?
- if i stand still , you cant find me
- Quantum Harmonic Oscillator: Negative Kinetic Energy Question.
- Adjoint of commutator
- chiral symmetry
- 3 body relativistic phase space
- Mass falling to ground (uncertainty principle)
- What technologies based on quantum mechanics affect our daily lives?
- How are electrons considered waves?
- Do I understand this?-if I stretch a rubber band from a 1" length to a 2" length...
- Atomic Components and the Absorption of Photons
- How can energy be quantized with E=hv
- Commutator of the density operator
- Calculating the Stark Effect (Spectral line splitting)?
- Double Slit Experiment - Blind Observer
- Photons vs Basketballs
- energy quantization in schrodinger equation
- Photoelectric Solar Sail
- How many electrons in all of "6f" oribtals?
- Superposition - basic question
- Eigen kets
- Quantum Probabilities
- quantum computer working
- Short question: Spontaneous emission from Feynman diagrams?
- Direct Product Basis for Interacting Systems
- also about the Planck hypothesis
- Distinguishing Quantum States
- Calculation of probabilities in QM
- wavelength in QM
- SUSY computational questions:dots!
- Uncertainty Principle
- Concerning the momentum operator
- Intuitive Understanding for Commutation
- ensemble average in quantum computing
- What are the equation(s) that determine free electron wave amplitude?
- Regarding the observer effect.
- Angular momentum commutator derivation
- Eigenvalue plots Tannoudji's Quantum Mechanics Vol. II
- Quantum Electronics
- Charge of down, up , electron; (-1/3, 2/3, -1)*3 more natural?
- Wavelength Less Than Planck Length?
- Heisenberg Uncertainty Principle
- physical chemisty
- Is this sum over impulses
- Another confusion: How many measurements is "many"?
- Stationary Perturbation Theory
- Infrared Divergence Question
- Quantum optics
- QFT recipes
- Energy of Atomic Electrons
- Quantum walk on the line
- Question about operators
- Speed of light in transparant materials
- Weinberg Vol 1: (2.4.8)
- Delta-function potentials, scattering states
- violating uncertainity principle
- Quantum Zeno Effect.
- Time, discrete or Continuous?
- Path Intergral quantization for Relativistic Point like particle?
- How to switch between momentum/real space
- Pilot Wave Theory
- the ways of Erwin
- Constant question
- Violation of Bell's inequality
- Double slit experiment in a Bubble Chamber
- Entangled protons in a crystal lattice
- How does electron change properties of matter?
- Asymptotic behaviour after perturbation
- Schrodinger Equation
- Double slit experiment with spin
- Lie groups in QM
- renormalization with cutoff
- A question about probabilities
- An amateur question about EPR
- from quantum field theory to quantum mechanics
- 3d harmonic oscillator PE function degeneracy
- Wave-particle duality of phonons?
- Planck length.
- about susceptibility
- discrete and continuous confusion
- Cryptography Books/Websites
- Probability Current Density or Flux
- Entanglement and String Theory
- Raising and Lowering Operators
- Representation of second quantization
- Seeing color
- Gaussian Wavepacket Tunnel Through double barrier
- State/wave function after measurement?
- HUP and the Double-Slit Experiment
- "Uncollapsing" a state?
- Input and Output with a Quantum Computer etc
- 2slit-electron interference with electric field effect
- Quantum Vacuum, what is it?
- what is saturated absorption?
- Gravity and Electromagnetism
- Eigenstates of the Hamiltonian
- Topology in Quantum Mechanics
- Entanglement question.
- About fields
- Determinism of the wave function
- 1-D potential barrier
- Entanglement
- And if everything was a wave?
- Amplitude damping with harmonic oscillators
- Since protons are not spherical, are their charge fields non-spherical?
- wave particle duality as applied to photon
- Locality vs Separability
- How does an Electron 'jump' from one orbit to the other?
- Loschmidt's paradox-II: Quantum Decoherence
- Quantum chaos
- Recovering the generator of rotation from canonical commutation relations
- Pauli-Villars regularization
- Sigma matrix
- How can I get the wave function
- Entangled particles and measurement
- Operators on Tensor States
- variational method in a finite square well
- Attosecond Spectroscopy, QM, and Atomic Geometry
- The particle INSIDE the barrier
- nonlinear vacuum permittivity?
- Workshop on Weinberg's Quantum Theory of Fields
- Multitude of Quantum Mechanics questions
- Trace of Pauli Matrices
- The "Frequency" of one Photon?
- do we really need loop diagrams?
- The "wave nature" of the wave function.
- difference between fluorescence and phorforescence
- wave function
- Is the concept of electron shells conceptually realted to quantum tunnelling?
- Boundary between deterministic reality and probabilistic reality
- What is the QFT picture of forces?
- Basic question on QFT and the standard model
- Anyons
- a simple QM experiment analysis question
- Srednicki 9.17, 9.18
- Direction of vector precession
- why graviton particle theory concept is not accepted?
- Algebraic (ladder) solutions in QM
- Waves
- No cloning theorm
- A question about plank constant
- Question about the nature of electrons and the strong force
- Quantum weirdness of photon behavior
- Functional Quantization of Scalar Fields
- Variational Method
- A spherical tensor operator
- Does the existence of a ladder operator imply that the eigenvalues are discrete?
- bra-ket multiplication
- Momentum measurement
- Four Point Correlation function from Generating Functional
- Continuity of Function and Derivative at boundary.
- Proving lorentz invariance of Dirac bilinears
- one question on average thermal velocity of free electron in metals
- Why no EOM in QFT with higher than second order derivatives in time and space?
- commuting operators
- Uncertainty Principle
- Propagation of wave packet
- g-Theorem
- Time for photon to reach the furthest point of diffraction?
- Two entangled electrons
- Question about a QM postulate
- Cardinality argument in the Casimir effect
- Energy levels
- Imaginary Time and Path Integrals?
- Invariance of the action under a transformation
- Nonequlibrium statistical operator
- Srednicki's textbook
- Simple question about spontaneous particle production
- decoherence and cross section
- Confused about wave functions
- antiparticles
- Wave function of Stationary State
- Bose-Hubbard Model
- Virtual Particles: How can they be responsible for attractive forces?
- Bidimensional quantum rotor
- Quantum Energy Teleportation and Decoherence
- "cosmic-scale delayed-choice" experiment
- fluctuation in terms of Hilbert space formalsm
- Standard Model Lagrange Density, 2D vectors, Lattice Theory.
- momentum and fourier series
- operator
- Zero points of particle wave function?
- 3 question of Ballmer experiment
- what do we mean by"minus" energy ??
- Particle In a finite potential well
- Acceleration of the Photon and the shape of it's wave
- Boundary conditions for two dimensional problems in Quantum mechanics
- Interacting theory lives in a different Hilbert space [...]
- Atom in a Box Pair
- Casimir effect -- silly question, but...
- Stochastic Interpretation
- Measurement collapse as a perturbation?
- the modern view of decoherence: A layperson's qestion
- RD Thought Experement (wikiversity article)
- Pencil tipping problem - trying to understand uncertainty
- Info regarding energy density of empty space?
- Breaking Down the Uncertainty Principle
- Infinite volume limit literature?
- Particle in a potential Well interacts with the wall without touching it???
- Beginners Question Uncertainty Principle
- Derivation of Schrodingers Equation
- Questions about Quantum state, Pauli exclusion principle and chemistry.
- Help for selection rules
- Non-relativistic limit of Klein Gordon (and massless limits)
- Degree of freedom, 1D H.O., position and momentum.
- DFT for configuration of atoms
- Q.M. on S^6, add potential gives Q.M. on S^3?
- searching the phenomenological renormalization group equation for 2d ising model
- Macroscopic Quantization
- Please Compute Concurrence...Whats wrong!!!
- Electron spin confussion
- QM Interpretations
- Relativistic corrections to CHSH vs. Preferred frame
- Operators and eigenstates
- Simple Math and quantum phyiscs 5 x 0 and e =mc2?
- Basic Formula?
- Double slit - where do they aim?
- MS renormalization scheme /RG & Srednicki ch 27,28
- Is this a correct understanding?
- uncertainty versus indeterminism: formulation?
- Lack of Relativistic Consideration
- SR "Reference Frames" in QM ?
- Expectation formula in Dirac notation.
- Selection Rules Question
- How was this Fermi telescope experiment done?
- Question about QCD
- what is the difference between probability and probability density?
- Uncertainty vs Determinism
- normalization
- a relation between photon and electron !- need discussion
- Simple Energy Levels confusion
- Macroscopic quantum effects and gravitational wave detector
- Questions for 1-D harmonic oscillators
- density of a subatomic particle
- Aharonov Bohm Effect (gauge invariance)
- Double-slit in gas chamber
- SWE Solutions' General Form
- Trying to learn the uncertainty principle
- density values for e-, p+ and n
- Can the Quantum Zeno Effect be solely attributed to decoherence?
- Does the wavefunction have a zero value anywhere??
- Continuity equation for Schrodinger equation with minimal coupling
- A seeming contrdiction in deriving wave function for delta function potential
- Probablilty of Neutrino flavour change
- What is the meaning of En^+ or En^-
- how to measure observables
- Decoherence question
- Functional diffential-integral equations
- Determinant of density matrix
- No entropy/environment = no time flow?
- Spins as qubits
- The enigma of the photon.
- Questions on the test that led to Many Worlds
- Everett Interpretation in English; correct or flawed?
- Wave particle duality
- S - matrix
- how many splits in one measurement in MWI?
- A Realtively General Question for you Quantum Physicists
- MUST the variation of the action be zero?
- Shankar 7.5.2 answers in the back
- Quantum Tunneling: Observed properties of the particle within the barrier.
- Measuring energy without collapsing the wave function?
- Proof of a smallest particle?
- Parity and Time Reversal symmetries.
- what is Spin Hall effect and quantum hall effect
- Do gravitons spiral around a monopole?
- What is the wavefunction?
- When do the laws of general relativity breakdown?
- particles as representations of groups
- Propagator and Causality
- Why is the Hilbertspace complex?
- what does space quantization of angular momentum actually signify?
- Quantum gases. The ideal Fermi gas
- complex logs
- Wave equation variables.
- Mwi
- Conformal Field Theory
- Incertitude relations from QFT
- Kochen-Specker for two particles
- Good Resources for Feynman's Path Integral
- Radial Dirac delta
- Matter waves are oscillations in what medium?
- why the rank of an irreducible tensor must be an integer?
- Symmetry clarification
- Cause and effect in QM
- Can photons affect each other's trajectories?
- Bells inequality be satisfied with equivalent local QM?
- double slit experiment - with molecules?
- how to prove renormalizability
- The compleness of a basis
- Suggestions... A Good Book?
- Rigorous Quantum Field Theory.
- Is it true photons will not produce an interference pattern in a vacuum?
- Bizzard measurement outcome of Angular Momentum, Why?
- Can someone elaborate on the ensemble interpretation for me?
- Bubble chamber and HUP
- Is an indeterminate logical value hidden within Quantum Theory?
- On the definition of Active Transformation
- ladder operators, a technical question
- Does instantaneous communication implies a preferrred Lorentz frame?
- Can someone give me a geometrical description of the math in QM?
- Integrable Quantum Field Theory
- Decoherence made simple
- Schrodinger Equation!
- Integrable Quantum Field Theory
- Stern-gerlach math resources?
- Molecular Flux, Kinetic Theory of Gases
- how do fields change if there's no void
- Gauge Invarience Question
- Time-energy uncertainty principle
- Are physicists happy with Quantum Mechanics as it is?
- Bra/Ket notation
- double-slit experiment
- Feynman Amplitude Q
- Wave function collapse and the statistical nature of quantum states
- Quick question on the EPR paper...
- Charmonium: estimating the mass - trial wavefunction for use in variational method??
- Entaglement
- Statistical Mechanics, Molecular Flux, Kinetic Theory
- Rotational energy levels vs l quantum number
- QM newbie (me) asks <sigh> yet another question about Bell inequality experiments...
- Tensor force
- Dual slit experiment: closing/opening a slit after the particle passes it . . .
- momentum space
- Beginners guide to Quantam Mechanics?
- Entanglement in scattering processes
- How can objects have wavelengths?
- dirac delta
- Detection of a non-interacting particle
- Photon entanglement and fair sampling assumption
- Bloch sphere model for many spins?
- Particles not basic entities?
- Kinetic Gas Theory
- Scalar product of many-particle states?
- modeling dissipation...what makes it non-unitary?
- uncertainity Principle , particles and antiparticles
- History of the Taylor-Phipps version of the Stern-Gerlach experiment
- Time-dependent perturbation theory
- Reason of rejection
- Bohm and others
- Why amplitude squared gives probability / Schrodinger Equation
- Degenerate perturbation theory wavefunction correction
- schrodingers equation for the hydrogen atom.
- superposition of states of the hydrogen atom
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