Join in expert discussion on quantum physics. Quantum physics is the mathematical description of the motion and interaction of subatomic particles. Quantum Mechanics and Field Theory.
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Graduate Double slit - couple questions.
- Shinns
- · Replies 1 ·
Graduate Questions about the Hartree Fock Method and Methane Molecules
- davidfur
- · Replies 2 ·
Graduate Reality exists when observed, but who is the observer?
- ExNihilo
- · Replies 51 ·
Graduate Why does Mandl & Shaw use functional derivatives for conserved currents?
- jmlaniel
- · Replies 1 ·
Graduate Is there a 'classical' equation for the strong force?
- dylankarr.com
- · Replies 12 ·
Graduate Blackbodies and Maxwell's Whole Number Wavelength Theory
- Apophilius
- · Replies 4 ·
Graduate Particle interchange and z component of spin
- LostConjugate
- · Replies 12 ·
Graduate Limits of Macroscopic Entanglement
- Varon
- · Replies 13 ·
Graduate How do mirrors work in quantum mechanics?
- superg33k
- · Replies 1 ·
Undergrad Does a light source near the slits destroy interference without observation?
- AlexChandler
- · Replies 1 ·
Graduate No more than two electrons in the entire universe can have the same momentum
- LostConjugate
- · Replies 12 ·
Graduate DCQE - walborn/yoon do it one way only
- San K
- · Replies 2 ·
Graduate Correct way to calculate energy in Bohr Atom Model
- Bassalisk
- · Replies 4 ·
Graduate Feynman's Derivation of Maxwell's Equations from Commutator Relations
- S.Daedalus
- · Replies 14 ·
Graduate Clarifying the Misconception: Do Positrons Really Travel Backward in Time?
- stevenytc
- · Replies 1 ·
Graduate Can grandpa understand the Bell's Theorem?
- miosim
- · Replies 404 ·
Graduate What's the difference between a fock state and a mixed ensemble?
- kof9595995
- · Replies 15 ·
Graduate Why do bodies absorb and radiate heat in the same proportion?
- Bassalisk
- · Replies 2 ·
Graduate BBC Researchers Break Quantum Mechanics Complementarity Rule
- Lost in Space
- · Replies 1 ·
Graduate Can we attain a disire approxomation for asymptotic perturbative QTF Theo?
- ndung200790
- · Replies 1 ·
Graduate Can Neutrons be Deflected in a Non-Uniform E Field Due to Spin?
- cragar
- · Replies 9 ·
Graduate Do photons and electrons occupy point positions in phase space?
- honolulu_boy
- · Replies 9 ·
Graduate Instant Correlation vs. Instant Communication: Exploring the Difference
- IllyaKuryakin
- · Replies 5 ·
Graduate Do particles have well-defined positions at all times?
- Fredrik
- · Replies 64 ·
Graduate Wave propagation, resonance and collapse
- yeshi
- · Replies 2 ·
Graduate Photon wavelength shift from gravitational lensing?
- toliynyk
- · Replies 5 ·
Graduate Photon observed to be behaving as a particle
- Haldhad
- · Replies 1 ·
Graduate How does one observer win out over another?
- galadriel
- · Replies 18 ·
Graduate Quantum dot, quantum wire, quantum well?
- fisico30
- · Replies 1 ·
Graduate Understanding QFT and the Role of Particles in Quantum Fields
- Varon
- · Replies 21 ·
Graduate How to demonstrate the asymptotic charateristic of perturbative QTF Theo?
- ndung200790
- · Replies 3 ·
Graduate Is there a direct magnetic interaction between two electrons?
- jbb
- · Replies 13 ·
Graduate What is a probability amplitude?
- Carnot
- · Replies 3 ·
Graduate What is the difference between singularity and infinity in QTF theo?
- ndung200790
- · Replies 2 ·
Graduate Photon radius and affected energy in double-slit experiments
- gnarlan
- · Replies 1 ·
Graduate Tools of the Quantum Physicists
- bugatti79
- · Replies 2 ·
Graduate Tunneling equation have all the pieces, just can't figure out the calculation
- j2dabizo
- · Replies 2 ·
Graduate Simultaneous Causation and Entanglement
- Atype*
- · Replies 4 ·
Graduate A question in one dimensional Schroedinger Equation.
- Karmerlo
- · Replies 2 ·
Graduate Are There Multiple Independent Spins in Higher Dimensional Spaces?
- haael
- · Replies 8 ·
Graduate Eigen functions/values for many-body Hamiltonian with creation/annihilation operators
- ranytawfik
- · Replies 3 ·
Graduate Pauli's Exclusion Principle - arbitrary?
- albroun
- · Replies 9 ·
Graduate Why do photons come in quanta?
- mavc
- · Replies 29 ·
Graduate What if the H constant was larger?
- Varon
- · Replies 5 ·
Graduate Does light exceed c in the Scharnhorst effect?
- Dmitry67
- · Replies 5 ·
Graduate Could the Multiverse Explain Everyday Choices and Our Perfect Universe?
- Lazernugget
- · Replies 13 ·
Graduate Transformation matrix for decoupled 2D oscillator with coupling term
- noamriemer
- · Replies 3 ·
Graduate Wavefunction/eigenfunction and eigen states?
- new_986
- · Replies 3 ·
Graduate Superconformal algebra, generators, and conformal killing equations
- rubbergnome
- · Replies 6 ·
Graduate Should Quantum Randomness be called Supernatural?
- wuliheron
- · Replies 83 ·
Undergrad How do you measure momentum of a particle?
- Negeng
- · Replies 2 ·
Graduate Atomic exitations, difference between photon and electron collision?
- kof9595995
- · Replies 14 ·
Graduate How does Feynman Sum Over Histories make sense?
- Astralos
- · Replies 6 ·
Graduate Planck instant and neurobiology. Could mind exist outside time-courses?
- cosmographer
- · Replies 5 ·
Graduate Role of Observer in Double Slit Experiment
- Astralos
- · Replies 4 ·
Graduate Why the Dirac Lagrangian over a derivative alternative for spin-1/2 fields
- TriTertButoxy
- · Replies 11 ·
Graduate Are entanglements the most fundamental existences in the universe?
- AustinM
- · Replies 4 ·
Graduate Finding all symmetries of a given Lagrangian
- Rocky Raccoon
- · Replies 5 ·
Graduate Numerical 2D Harmonic Oscillator
- JohnSimpson
- · Replies 1 ·
Graduate Mathematical meaning of measurement
- nateHI
- · Replies 7 ·
Graduate Must have gone through one of the slits
- San K
- · Replies 32 ·
Graduate Scattering Probability and Particle Size in the Atmosphere
- nhmllr
- · Replies 11 ·
Undergrad Basic question regarding the Double Slit Experiment
- josephgerth
- · Replies 6 ·
Graduate Entangled Atoms and propagation.
- hawaiifiver
- · Replies 1 ·
Graduate Feynman Parameters: Solving an Induction Problem
- Perturbation
- · Replies 5 ·
Graduate Covariant commutation relations and spacelike intervals in Mandl & Shaw
- lornstone
- · Replies 2 ·
Graduate Grasmann Lagrangian - literature
- Omega137
- · Replies 4 ·
Graduate G-factor of electron, proton, and neutron don't cancel out
- LostConjugate
- · Replies 11 ·
Graduate In DCQE you can get which way and still get interference?
- San K
- · Replies 25 ·
Graduate Are Virtual Particles Real According to the Dynamic Casimir Effect Study?
- dm4b
- · Replies 1 ·
Graduate Bell's theorem and foundations of statistics
- hgeurdes
- · Replies 11 ·
Graduate Quantum Mechanical systems considered in old QM
- wizrdofvortex
- · Replies 5 ·
Graduate Can entangled particles synchronize faster than light?
- davisbunch
- · Replies 4 ·
Graduate Legendre Polynomials and Complex Analysis
- "pi"mp
- · Replies 7 ·
Graduate Einstein's Delayed Choice Quantum Experiment
- hankaaron
- · Replies 2 ·
Graduate Two Kraus representations: How to check if they're the same TPCPM?
- Ameno
- · Replies 3 ·
Graduate What can I use as a detector to collapse the wave function?
- iamburitto
- · Replies 1 ·
Graduate Quantizating a symmetric Dirac Lagrangian
- Rocky Raccoon
- · Replies 12 ·
Graduate Random particle movement (with pictures)
- squeehunter
- · Replies 14 ·
Undergrad Do we live in a perfect liquid?
- quantumirage
- · Replies 2 ·
Graduate Could quantum entanglement be one particle in quantum coherence?
- hankaaron
- · Replies 12 ·
Graduate Entropy in isolated quantum systems
- kith
- · Replies 46 ·
Graduate Evolution of Matter from Quantum World: Macroscopic Scale vs Localized Particles
- nouveau_riche
- · Replies 11 ·
Graduate Common sets of eigenfunctions in angular momentum
- Turtle492
- · Replies 4 ·
Graduate Einstein thoughts on the quantum
- Varon
- · Replies 85 ·
Graduate Can DIY Photon Entanglement Be Achieved at Home?
- Brainguy
- · Replies 8 ·
Graduate Electron spin entanglements - time-energy uncertainty
- Ferrus
- · Replies 1 ·
Graduate Scattering Theory Books: Easy to Follow Like Sakurai's
- rbwang1225
- · Replies 1 ·
Graduate What is the Operator <m|n> in the Wave Equation for a Particle in a Box?
- Markel
- · Replies 12 ·
Graduate Calculating First Order Photon Self-Energy Integral
- lornstone
- · Replies 3 ·
Graduate Wave-particle duality for the electron
- Uranium235
- · Replies 3 ·
Graduate Cosmological Constant Problem / Vacuum Catastrophe
- cbd1
- · Replies 14 ·
Undergrad Wavelengths of Oxygen - Calculate or Lookup Info
- pmlapl
- · Replies 5 ·
Graduate What will happen when we have a Theory of Everything?
- Varon
- · Replies 40 ·
Graduate Isometric operators- spectrum preserving?
- muppet
- · Replies 2 ·
High School What is quantum physics used for?
- FishmanGeertz
- · Replies 8 ·
Graduate Locality in QM and commutators
- haushofer
- · Replies 4 ·
Graduate Does observing electrons before the slits suppress interference?
- platonic
- · Replies 8 ·
Graduate Does switching off a time-traveling photon device disprove causality?
- ANT_SB
- · Replies 10 ·
Graduate Blackbody Radiation of Boiling Water
- stanli121
- · Replies 3 ·