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.
Threads
Graduate What happens when light moves in electromagnetic field?
- aditya23456
- · Replies 1 ·
Graduate What does this example say about the applicability of Bell's inequalities?
- billschnieder
- · Replies 38 ·
Graduate The inconsistent quantum physics and magnetic theory
- hds123523000
- · Replies 11 ·
Graduate Wavefunction DFT (Mathematica)
- algorhythmic
- · Replies 1 ·
Graduate Compute Matrix for Simple Quantum Gates
- brydustin
- · Replies 1 ·
Graduate Quantum Information: Why |<φ|exp(iα)|ψ>|^2 Differs
- brydustin
- · Replies 5 ·
Graduate Electron precession and flip contridiction?
- edguy99
- · Replies 17 ·
Graduate Question about the delayed choice quantum eraser experiment
- al onestone
- · Replies 5 ·
Graduate The physics behind the thermal light quantum imaging?
- zaccurio
- · Replies 2 ·
Graduate Cross section computation - Huang's Statistical Mechanics
- QuArK21343
- · Replies 2 ·
Graduate Can quantum mechanics predict exact future states from known initial conditions?
- Unidempicity
- · Replies 14 ·
Graduate How/when can I take a wave function and its complex conjugate as independent?
- SiggyYo
- · Replies 1 ·
Graduate Problem with Hermicity of Density matrix
- climbon
- · Replies 2 ·
Graduate Quantum Field Theory lecture by Tong (Cambridg)
- birulami
- · Replies 3 ·
Graduate Three outcome systems in Bell/CHSH
- gespex
- · Replies 5 ·
Graduate What is the relation between particle and field?
- zhangyang
- · Replies 14 ·
Graduate Momentum operator's relation to commutative algebra
- TrickyDicky
- · Replies 5 ·
Graduate Electron Magnetic Moment's Difference From Classical Mechanics
- Phyzwizz
- · Replies 1 ·
Graduate Electron spin and the Pauli Exclusion Principle.
- Jimmy Snyder
- · Replies 3 ·
Graduate Wavelength of matter waves at speed equal to zero.
- aleemudasir
- · Replies 14 ·
Graduate Is the Canonical Ensemble Rule Derived Ad Hoc in Statistical Mechanics?
- intervoxel
- · Replies 3 ·
Graduate Wave Particle Duality Question
- Guymillion
- · Replies 2 ·
Graduate How can we consider static electromagnetic field in QFT point of view?
- ndung200790
- · Replies 1 ·
Graduate Hartree Fock Method Symmetric Energy Expression
- arsc
- · Replies 1 ·
Graduate Is the Charge Q Lorentz Invariant in Quantum Field Theory?
- equalmcsquare
- · Replies 6 ·
Graduate Is the Polarisation of a Teleported Photon Definite Prior to Teleportation?
- gopolks
- · Replies 9 ·
Graduate O(2) symmetry breaking trouble
- jfy4
- · Replies 4 ·
Graduate How does a neutral particle interact with a photon?
- Bararontok
- · Replies 10 ·
Graduate When is operator phi(x) an observable in QFT?
- Sonderval
- · Replies 8 ·
Graduate Does an electron-positron wavefunction have to be antisymmetric?
- kof9595995
- · Replies 11 ·
Graduate Can the laws of physics be violated?
- CarlosLara
- · Replies 8 ·
Graduate Question about hermitian operators
- O.J.
- · Replies 3 ·
Graduate Can we interchange the Dirac Matrices?
- thayes93
- · Replies 3 ·
Undergrad Double slit interference with single pencil lead?
- Kern
- · Replies 4 ·
Graduate Questions concerning Bhabha scattering
- mysearch
- · Replies 14 ·
Graduate Grassman numbers and change of variables
- geoduck
- · Replies 1 ·
Graduate Matrix Elements of Operators & Orthonormal Basis Sets
- Amok
- · Replies 7 ·
Graduate 2D H.O., graph phase space in R^2?
- Spinnor
- · Replies 2 ·
Graduate Quantum Mechanics Born to be Linear?
- mrigmaiden
- · Replies 8 ·
Graduate Explaining Time Dependent Potentials
- pmiranda
- · Replies 4 ·
Graduate Non-unitary process? Doesn't that mean FTL?
- guillefix
- · Replies 1 ·
Graduate Density of States: Varying Boundary Conditions
- PineApple2
- · Replies 1 ·
Graduate Question: Reality of Quantum State Paper by Pusey, Barrettm & Rudolp
- msumm21
- · Replies 1 ·
Undergrad Why Do Electrons Occupy Such Large Spaces in Orbitals?
- tahayassen
- · Replies 2 ·
Graduate Neglected solutions to the (free) Dirac equation?
- nonequilibrium
- · Replies 6 ·
Graduate Wavefunction After Measurement
- kingzeon
- · Replies 1 ·
Graduate A classical challenge to Bell's Theorem?
- Gordon Watson
- · Replies 290 ·
Graduate Richard Feynman's sum-over-paths approach to quantum mechanics?
- superstrings
- · Replies 2 ·
Graduate Expectation Value for system of identical particles
- kenphysics
- · Replies 2 ·
Graduate Diffraction of c60. seeking description of experiment.
- foobar
- · Replies 13 ·
Graduate Question about measuring physcial observables
- cragar
- · Replies 2 ·
Graduate Does diamagnetism cause a faster orbital spin
- Faraday123
- · Replies 1 ·
Graduate A simple question on a modified Double-Slit Experiment
- Izhaki
- · Replies 8 ·
Graduate What is the uncertainty speed of a hydrogen atom inside a virus?
- badart97
- · Replies 3 ·
Undergrad Difference between an expectation value and an average
- Scott4775
- · Replies 2 ·
Graduate Super position and mathematical limitations
- thedude36
- · Replies 5 ·
Graduate SO(2,1) Lie Algebra Derivation
- geoduck
- · Replies 3 ·
Graduate Does Electron Coulomb Repulsion Affect the Double-Slit Experiment Pattern?
- Gavroy
- · Replies 21 ·
Graduate Is the matter wave of a photon affected by the presence of an electron?
- San K
- · Replies 14 ·
High School Light, Sound, Radio Waves: Up/Down Motion?
- AH020387
- · Replies 1 ·
Graduate Why does Dirac Equation describe spin 1/2 particles?
- bigbigtheory
- · Replies 2 ·
Graduate Short question about probability amplitudes
- nomadreid
- · Replies 5 ·
Undergrad Link to description of detector type for double-slit experiment
- DarioC
- · Replies 2 ·
Graduate Spin-orbit interaction and bremsstrahlung
- wc2351
- · Replies 17 ·
Graduate Position representation of a wavefunction - technical issue
- spaghetti3451
- · Replies 1 ·
Graduate Young's double slit experiment: reconciling facts and theory
- FJBallesteros
- · Replies 5 ·
Graduate How do you find the generator corresponding to a parameter of a Lie group?
- Elwin.Martin
- · Replies 5 ·
Graduate Commutators of Angular momentum operator
- jaobyccdee
- · Replies 1 ·
Graduate What is product space in the context of quantum mechanics?
- sndtam
- · Replies 1 ·
Graduate Request for Link on orbital decay energy characteristics
- DarioC
- · Replies 2 ·
Graduate Compton Scattering: Largest Shift & Min Energy Transfer
- dertyden
- · Replies 3 ·
Graduate Absorption coefficient of quantum well
- equation M
- · Replies 1 ·
Graduate Question about Orthogonal Polynomials
- facenian
- · Replies 3 ·
Graduate Looking for a Dirac book on qft
- snoopies622
- · Replies 3 ·
Graduate Basic:applying uncertainty principle for confined particle
- jink
- · Replies 11 ·
Graduate Peskin's Introduction to QFT 3.82 - What Has He Done?
- sunkesheng
- · Replies 8 ·
Graduate Questions about quantum mechanics reducing the complexity of classical models
- IttyBittyBit
- · Replies 4 ·
Undergrad Photon wavelength and energy for hydrogen transition to second excited state
- fdizzy
- · Replies 6 ·
Undergrad Hydrogen Spectroscopy: Can You View 1st & 2nd Order on One Side Only?
- GreenAce92
- · Replies 3 ·
Graduate How to interpret the time-energy uncertainty relation
- quasar987
- · Replies 10 ·
Graduate What is the differene between Rigid Hilbert Space and Hilbert Space?
- mwalmasri
- · Replies 2 ·
Graduate Wave function collapse for Schrödinger's cat
- GW Leibniz
- · Replies 2 ·
Graduate Understanding Complex Group Parameters for SO(4) Lorentz Algebra
- geoduck
- · Replies 1 ·
Graduate Can a point in S^3 be uniquely labeled by a 2 component Spinor?
- Spinnor
- · Replies 9 ·
Graduate String Theory & Particle-Wave Duality: Can Oscillating Strings Explain?
- Olly_price
- · Replies 1 ·
Graduate I have some questions about wavepackets.
- dsdsuster
- · Replies 1 ·
Graduate QM only possible in flat space?
- TrickyDicky
- · Replies 46 ·
Graduate Hermitian conjugate of an operator
- spaghetti3451
- · Replies 1 ·
Graduate Transition from Poisson bracket into Canonical Commutation Relations
- exponent137
- · Replies 2 ·
Graduate Solving Commutators & Calculations: W^2, p^α=0
- noamriemer
- · Replies 9 ·
Undergrad Comparing Wave & Partical Models Of Light
- CallsignFrost
- · Replies 1 ·
Graduate Are Input Photons #2 and #3 Still Entangled After Going Through a Beam Splitter?
- StevieTNZ
- · Replies 4 ·
Graduate Are Electrons and Photons Like Water Molecules and Waves?
- thetexan
- · Replies 1 ·
Graduate CHSH and the triangle inequality
- gespex
- · Replies 4 ·
Graduate Would a particle at the edge of the universe have an infinite amplitude
- clearwater304
- · Replies 5 ·
Graduate Dyade Dirac Notation: Why Last Equation?
- LagrangeEuler
- · Replies 3 ·
Graduate Multiple quantum entanglements
- serp777
- · Replies 3 ·
Graduate Box^2 A_μ = J_μ ; [Dirac operator] ψ = 0 or not?
- Spinnor
- · Replies 2 ·
Graduate Separable state vs part of entangled state
- Fightfish
- · Replies 2 ·
Graduate Question about this interaction in QFT
- giova7_89
- · Replies 3 ·