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 Quantum linking daughter particles from a fission
- beanangel300
- · Replies 1 ·
Graduate From Metric Spaces to Linear Spaces
- the_pulp
- · Replies 13 ·
Graduate Does complex amplitude in Schrödinger's equation have physical meaning?
- MadRocketSci2
- · Replies 1 ·
Graduate What is the effect of e^(isH)? p.77, Ballentine
- syhpehtam
- · Replies 11 ·
Graduate Kinetic Energy in Classical treatment of Larmor Precession
- aim1732
- · Replies 1 ·
Graduate Quantum Computers, how do they work?
- Max Born
- · Replies 4 ·
Graduate Quantum gravity and Casimir effect
- AlSo
- · Replies 3 ·
Graduate Is the S-matrix in Weinberg's book always unitary?
- eoghan
- · Replies 2 ·
Graduate Why does dbb need to assume pilot wave?
- San K
- · Replies 12 ·
Graduate Reconciling EM plane wave with single photon expectation values
- kof9595995
- · Replies 6 ·
Graduate The Schrödinger equation as the non-relativistic limit of the Dirac equation
- nonequilibrium
- · Replies 5 ·
Graduate Energy of e.m waves in a cavity
- Soph_the_Oaf
- · Replies 1 ·
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 Why does the delayed choice quantum eraser require post-selection?
- al onestone
- · Replies 5 ·
Graduate Can classical light correlations create quantum imaging effects?
- 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 Why do all hermitian operators have eigenvalues and eigenvectors?
- 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 Do matrix elements and expansion coefficients work with non-orthonormal bases?
- 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 When does a potential depend on time in quantum mechanics?
- 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 Pusey-Barrett-Rudolph theorem and quantum state realism
- 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 Can expectation values be non-eigenvalues of an operator?
- cragar
- · Replies 2 ·
Graduate Does diamagnetism cause a faster orbital spin
- Faraday123
- · Replies 1 ·
Graduate Interference pattern with a half-screen in 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 Which complex conjugate is the probability amplitude?
- 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 Why do entangled photons produce interference patterns?
- 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 angle for largest shift and minimum energy for half transfer
- dertyden
- · Replies 3 ·
Graduate Absorption coefficient of quantum well
- equation M
- · Replies 1 ·
Graduate Resources on orthogonal polynomials for physicists
- 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 Measuring hydrogen spectroscopy orders 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 Can string oscillations explain particle-wave duality?
- 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 ·