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Quantum Interpretations and Foundations

How valid is the indivisible interpretation of quantum mechanics?
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Graduate How valid is the indivisible interpretation of quantum mechanics?
Graduate Does instantaneous communication implies a preferrred Lorentz frame?
  • Demystifier
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Graduate What is semi-classical level counting?
  • jostpuur
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Graduate What Are the Implications of Srednicki's \langle 0 \mid \phi(x) \mid 0 \rangle?
  • LAHLH
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Graduate Sol'n of Schrodinger's Eq: A e^{kx-wt} & A Sin(kx-wt)
  • zodas
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Undergrad Laymans question about observational effect
  • GUS
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Graduate Representations and change of basis
  • Niles
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Graduate Behaviour of electron as wave and Particle
  • KK
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Graduate BRS: Cellular homology with Macaulay2
  • Chris Hillman
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Graduate Disproving Shankar's PQM Equations: Example 1.8.6 | Farside Physics
  • juan123
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Graduate Oscillation frequency of probability density P(x,t)
  • nhk150709
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Graduate Hydrogen spin-orbit interaction
  • ian2012
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Undergrad How gravity can be bent if its just a messender particle.
  • clm321
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Graduate Lorentz Invariant Majorana Neutrinos
  • rkrsnan
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Graduate Writing a matrix as an outer product expansion.
  • raisin_raisin
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Graduate Solution for Dirac equation with zero mass.
  • rkrsnan
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Graduate Orthochronous Lorentz Transformations
  • vertices
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Graduate Showing that commutator is invariant under orthchronous LTs
  • vertices
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Graduate Entanglement and Concurrence: asking for definitions
  • DaTario
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Graduate Finite Square Barrier Scattering Example with Reflection Coefficient Calculation
  • ronaldoshaky
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Graduate Why is wavefunction complex-valued?
  • cadamcross2
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Graduate Probabilistics of Quantum Physics
  • Svensken
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Graduate Psi-Collapse in Nature: Definition and Implications
  • The thinker
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Undergrad Hawking Radiation: Mass & Decay Rate
  • srfriggen
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Graduate Is My Normalized Wave Function Accurate?
  • intervoxel
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Graduate Feynman propagator on the cylinder - position space representation
  • DrFaustus
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Graduate Understanding Lowering Operator A and Hermitianity
  • ronaldoshaky
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Graduate Quantum Tunneling math and Schrodinger's Equation
  • Stevenpd
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Graduate Free particles in second quantization
  • Niles
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Graduate BRS: euclidean surfaces a la Cartan
  • Chris Hillman
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Graduate Matrix Transformation: U^\dagger vs U
  • Niles
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Graduate Uncertainty principle consist with energy conservation?
  • luxiaolei
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Graduate Tensor product of vector spaces: confusion
  • Goldbeetle
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Graduate Am I understanding superposition correctly? Is it equivalent to all-potential ?
  • MattAndMatthe
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Graduate Energy Principle and Hydrogen Atom
  • sharma_satdev
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Graduate Dirac equation for many particles system
  • ranytawfik
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Graduate Rectangular Potential well if hbar -> 0
  • divB
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Graduate Error in book? (derivation of quantum well)
  • divB
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Graduate [Req]Help finding equation
  • kazparov
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Graduate Does the Chain Rule Apply to Gauge Transformations in Lie Groups?
  • vertices
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Graduate Uncertainty principle on P and E exchange
  • luxiaolei
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Graduate Heuristic derivation of Schrodinger's equation for a layman
  • jdstokes
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Graduate Probability Density of Particle in Potential Well
  • ronaldoshaky
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Graduate Gravitational force on observed particle?
  • Xenoman
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High School What Are Will 'O The Wisp and Foo Fighters?
  • Leah
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High School If light is a wave then how can it be formed into a laser?
  • chopficaro
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Graduate Vacuum fluctuations and matter
  • GeorgCantor
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Graduate Differential Geometry and Quantum Mechanics
  • Reedeegi
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Graduate Notation relating to gamma matrices
  • vertices
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Graduate Lippmann-Schwinger Equation
  • <bra|ket>
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Graduate What Are the Degrees of Freedom in Lorenz and Columb Gauges?
  • mkbh_10
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Graduate Degeneracy and Symmetrization Requirement
  • hbweb500
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Undergrad Schrödinger's Cat: What Are the Benefits?
  • wuko
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Graduate Antisymmetric wavefunctions for more than two particles
  • quasar_4
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Graduate Double-Slit Experiment vs Identical Particles
  • LarryS
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Graduate Why Did My Teacher Make a Substitution in Transforming a Hamiltonian?
  • Niles
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Graduate Raising and Lowering Indices and expansion
  • vertices
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Graduate Why Don't Photons Get Absorbed in Double Slit Experiments?
  • alex440
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Undergrad Einstein's theory on photoelectric effect
  • agtee
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Undergrad Compton vs Photoelectric effect?
  • pivoxa15
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Graduate Adding spin components on different axes x+x=Z?
  • chopficaro
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Graduate Why is quantum spacetime necessarily random?
  • flufffrost
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Graduate Probablity density of 1s in hydrogen atom
  • Karrar
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Graduate Finding \Psi(x,t) From Schrodinger Equation
  • puneet.988
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Graduate What if Hamiltonian is not constant in time?
  • jostpuur
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Graduate Can Photon Energy Be Equated to Kinetic and Potential Energy?
  • manifested
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Graduate Second Quantization: Creation & Annihilation Operators
  • Niles
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Graduate Srednicki QFT chapter 8 question
  • LAHLH
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Graduate Is quantum potentiality more like weight or a wave?
  • MattAndMatthe
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Graduate Is energy of a free particle observable?
  • sweet springs
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Undergrad What vibrates in De Broglie waves?
  • shripathee
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Graduate Canonical Quantization: Dirac's Book & Gauge Theories
  • mtak0114
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Graduate Photon Off a Mirror: How Does It Work?
  • cragar
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Graduate Solving the Schrödinger Equation for a Step Potential
  • laharl88
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Graduate Low dimensional anticommutation example
  • jostpuur
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Graduate Is Quantum Behavior Essential to the Evolution of Photosynthesis?
  • efaizi
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Graduate Quantum Teleportation of Energy
  • sanman
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Graduate Electron Diffraction - One Electron Through Double Slit
  • cragar
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Graduate Planck's Nobel Address - Photon direction
  • Andrew Mason
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Graduate Textbook Mistake: Ionization Energy of He+
  • p.tryon
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Graduate Uncertainty relations aren't Lorentz covariant
  • Xach
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Graduate Spin states of the addition of 2 spin 1/2 particles
  • SimonRoberts
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Graduate Superposition and Coherence in quantum physics
  • neelakash
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Graduate Nature of probabilistic measurement
  • zonde
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Graduate Does the photon wavelenght come back to original when one path is blocked ?
  • sanpkl
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Graduate How Do Bare Couplings Relate to Cutoff in Effective Field Theory?
  • RedX
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Graduate Can Quantum Entanglement Transmit Information Faster Than Light?
  • Rafaelh
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Graduate Singlet and Triplet Spin States
  • joebo
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Graduate Photon and the field generated by an accelerated charge
  • DaTario
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Graduate Field of an accelerated electron falling down to nucleus versus photon
  • DaTario
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Graduate What is the Role of Conformal Symmetry in De Sitter Relativity?
  • yoda jedi
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Graduate Can Spacetime Entanglement Unlock the Secrets of Teleportation?
  • Auxon
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Graduate How does the hermiticity of Hamiltonian restrict its Lagrangian?
  • crackjack
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Graduate Question on irreducible versus reducible Feynman graphs
  • RedX
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Graduate What Distinguishes an Excitation Spectrum from an Absorption Spectrum?
  • scarecrow
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Graduate Time derivative of momentum expectation?
  • theneedtoknow
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Graduate Basic question on Zee-QFT in a nutshell
  • LAHLH
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Undergrad Equation Appln to 1D Harmonic Oscillator: Help Needed
  • aliz_khanz
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Graduate A glance beyond the quantum model
  • DrChinese
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Graduate Equipment for Quantum eraser experiment
  • luxor99
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Graduate Absolute Time vs Relative Time
  • Atheismo
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