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Quantum Interpretations and Foundations

Particle vs Wave Interpretations of QM
1.3K threads
Undergrad Particle vs Wave Interpretations of QM
Graduate Langevin equation - derivative of random force?
  • SchroedingersLion
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Undergrad Energy of massless particles before electroweak symmetry breaking
  • Ranku
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High School Interesting Book On The History Of QM And Einstein's Role
  • bhobba
  • · Replies 7 ·
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7
Undergrad How can a photon "stimulate emission" if it really does (Einstein coefficients)
  • freetheparticle
  • · Replies 11 ·
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11
High School Detecting a photon passing through a slit without destroying it?
  • Cato
  • · Replies 4 ·
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4
Undergrad Gauge Transformations and the Covariant Derivative
  • PeroK
  • · Replies 2 ·
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2
Undergrad Does classical mechanics apply to the quantum world at all?
  • Galactic explosion
  • · Replies 26 ·
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26
Undergrad Use of the Beam Splitter Operator
  • BeyondBelief96
  • · Replies 4 ·
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4
Undergrad Photon Bell Experiment, what happens in a single case?
  • KeesDeVries
  • · Replies 4 ·
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4
Undergrad Scatter radiation and film fogging
  • Asmaa Mohammad
  • · Replies 1 ·
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1
Undergrad On-shell virtual particles and 'physical' Hilbert spaces....
  • asimov42
  • · Replies 7 ·
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Undergrad Is a bipartite system necessary for the proof of the PBR theorem?
  • greypilgrim
  • · Replies 2 ·
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2
Undergrad What do we do with the massive scalar quantum field in QFT?
  • PeroK
  • · Replies 15 ·
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15
Undergrad Why induction requires a magnetic material to produce a current
  • Wille
  • · Replies 7 ·
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7
High School Compton Effect -- Why is the electron considered to initially be at rest?
  • Viona
  • · Replies 4 ·
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4
Undergrad Physical meaning of ##\psi_1(x)\hat{A}\psi_2(x)##
  • amjad-sh
  • · Replies 11 ·
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11
Graduate Diagonalization of 2x2 Hermitian matrices using Wigner D-Matrix
  • Max1
  • · Replies 4 ·
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4
Graduate Two Different Fock State Inputs into a Beam Splitter
  • BeyondBelief96
  • · Replies 1 ·
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1
Undergrad Blackbody Radiation: Questions Answered on Causes & Oscillators
  • Viona
  • · Replies 2 ·
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2
Undergrad How is the information of a change in position of a star transmitted?
  • KurtLudwig
  • · Replies 2 ·
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2
Graduate When should we use the Langevin equation and when should use Fokker-Planck
  • Sciencestd
  • · Replies 4 ·
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4
Graduate S-matrix expansion and Wick's theorem
  • Gaussian97
  • · Replies 1 ·
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Undergrad Field Renormalization vs. Interaction Picture
  • maline
  • · Replies 39 ·
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Graduate Photoelectric effect at metal junctions
  • technano
  • · Replies 4 ·
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4
Graduate Complex Numbers Not Necessary in QM: Explained
  • Demystifier
  • · Replies 219 ·
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Undergrad Photon interference and path differences
  • kurt101
  • · Replies 18 ·
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18
Undergrad Does Bell's theorem imply other Lorentz transformations?
  • jk22
  • · Replies 13 ·
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13
High School Layman's question re quantum entanglement
  • Tom Nicholson
  • · Replies 12 ·
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12
Undergrad Momentum-Position vs. Energy-Time Uncertainty Relations
  • Logic314
  • · Replies 10 ·
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10
Graduate What did Hans Bethe think of von Neumann's quantum logic?
  • Suekdccia
  • · Replies 1 ·
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1
Undergrad What happens when an object starts to glow?
  • Wille
  • · Replies 11 ·
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11
Graduate Understanding Harmonic oscillator conventions
  • Djawu
  • · Replies 6 ·
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6
Undergrad What Is the Physical Meaning of Atomic Particle 'Spin'?
  • cmb
  • · Replies 15 ·
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15
Undergrad Collapse of the wave function under simultaneous measurement
  • Philippe H
  • · Replies 2 ·
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2
High School Quantum mechanical model of an atom
  • Frigus
  • · Replies 7 ·
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7
Undergrad Master` Equation for the Penrose-Diosi wavefunction collapse
  • Agrippa
  • · Replies 2 ·
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2
Undergrad Photon occupation numbers in relation to the 4-potential
  • olgerm
  • · Replies 26 ·
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26
Undergrad What is SR transformarion for bispinor?
  • olgerm
  • · Replies 49 ·
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49
Undergrad General Implications of the Double-Slit Experiment
  • lifeonmercury
  • · Replies 1 ·
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1
High School The Virtue of Individual Perception RE: Wavefunction Collapse
  • Denselight93
  • · Replies 2 ·
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2
Undergrad Let me Know What you Think of This Toy Theory
  • KyleSingh
  • · Replies 3 ·
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3
Undergrad Is the energy of a burst of light the sum of the energy of each photon?
  • Aaron121
  • · Replies 28 ·
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28
Undergrad Trying to Generate Entangled Photons
  • Strange_matter
  • · Replies 6 ·
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6
Graduate Unitary representations of Lie group from Lie algebra
  • leo.
  • · Replies 5 ·
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5
Undergrad Calculating group representation matrices from basis vector/function
  • pellis
  • · Replies 6 ·
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6
High School Entanglement: Behaviour of Particles & Real Life Apps
  • Andyhs
  • · Replies 11 ·
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11
Graduate The cnot with outer product control qubit
  • Galaxion
  • · Replies 1 ·
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1
Undergrad How Would Afshar's Experiment Affect Entanglement?
  • Erik Ayer
  • · Replies 2 ·
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2
Undergrad Exclusion principle and the distance between two particles
  • dRic2
  • · Replies 3 ·
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3
Undergrad Polarization and Stimulated Emission
  • Erik Ayer
  • · Replies 20 ·
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20
Undergrad Is a Particle Simply the Manifested Kinetic Energy of Its Quantum Field?
  • Tiptoeingelephants
  • · Replies 2 ·
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Undergrad Minimum number of cycles in a short pulse laser
  • Uchida
  • · Replies 6 ·
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6
Graduate Dirac Field quantization and anti-commutator relation
  • sakh1012
  • · Replies 1 ·
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1
Undergrad Is there a reason eigenvalues of operators correspond to measurements?
  • gsingh2011
  • · Replies 2 ·
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2
Undergrad The HOM Effect, Path Entanglement, and Generation
  • Erik Ayer
  • · Replies 5 ·
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5
Undergrad Dispersive approximation (limit) in the Jaynes-Cummings Model
  • thephysicsboy1998
  • · Replies 1 ·
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1
Graduate What is Hermitian? Definition & Summary
  • Greg Bernhardt
  • · Replies 1 ·
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1
Graduate Definition of Expectation Value (EV)
  • Greg Bernhardt
  • · Replies 1 ·
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1
Undergrad Hamiltonian Commutation Question
  • Diracobama2181
  • · Replies 6 ·
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6
High School Is Bell's inequality Lorentz invariant?
  • jk22
  • · Replies 2 ·
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2
High School Notion of a zero dimensional point particle?
  • Nickyv2423
  • · Replies 4 ·
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4
Graduate First Chip-to-Chip Quantum Teleportation
  • Tom.G
  • · Replies 3 ·
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3
Graduate Does Dim Reg really avoid a photon mass?
  • maline
  • · Replies 10 ·
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10
High School Backscattering of photons in dim = 1
  • Heidi
  • · Replies 3 ·
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3
Undergrad Understanding Spherical Tensors & Their Applications
  • Malamala
  • · Replies 2 ·
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2
High School Neutron Decay Outside of a Nucleus Near Absolute Zero
  • Chris Nimmons
  • · Replies 3 ·
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3
Graduate Measurements of multipartite entanglement
  • Danny Boy
  • · Replies 1 ·
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1
Undergrad Imagining the EPR paradox/quantum entanglement
  • tommmyyyy
  • · Replies 6 ·
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6
Undergrad Entanglement after measurement
  • nomadreid
  • · Replies 16 ·
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16
Undergrad The construction of particles in QFT
  • ilper
  • · Replies 70 ·
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Graduate Trace of a product of Dirac Matrices in a Fermion loop
  • RicardoMP
  • · Replies 5 ·
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5
Undergrad How does a quantum computer work?
  • Johnny5454
  • · Replies 7 ·
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7
Undergrad Momentum Eigenstates: Writing & Conservation
  • Zala Jaydevsinh
  • · Replies 1 ·
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1
Undergrad Why Do We Have The Effect Of Spontaneous Emission And Absorption
  • bhobba
  • · Replies 2 ·
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2
Undergrad What are the degrees of freedom of a quark?
  • stephen weber
  • · Replies 14 ·
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14
Undergrad Wave function of a laser beam?
  • DEvens
  • · Replies 6 ·
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6
High School Do photons bunch up at an interface? Can they lase (laze?)
  • ImaO
  • · Replies 17 ·
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17
Undergrad Can a simulation hypothesis simulate quantum physics?
  • Endypanzer
  • · Replies 10 ·
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10
Undergrad Simulation Hypothesis: Quantum Computer Modeling
  • Johnny5454
  • · Replies 2 ·
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2
Graduate Vacuum energy density after spontaneous symmetry breaking
  • Geonaut
  • · Replies 5 ·
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5
High School Photon Energy & Wave Amplitude
  • jeremyfiennes
  • · Replies 2 ·
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2
Undergrad Local Causality and Bell's Second Theorem
  • bhobba
  • · Replies 48 ·
2
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48
Undergrad Did Erwin Schrödinger propose that reality could be contradictory?
  • Suekdccia
  • · Replies 1 ·
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1
Undergrad About the repulsive force between two electrons
  • intothefire
  • · Replies 7 ·
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7
Undergrad Can we physically realize unbound states?
  • Haorong Wu
  • · Replies 16 ·
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16
High School Can Hydrogen Atoms on Earth and the Moon Share Electrons?
  • tasiz
  • · Replies 27 ·
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27
Undergrad Finding the Error in Computing Spherical Tensor of Rank 0 Using General Formula
  • Silicon-Based
  • · Replies 1 ·
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1
Undergrad The free particle in spherical coordinates
  • loewenzahn
  • · Replies 1 ·
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1
High School What is the speed of electron movement in atoms at different temperatures?
  • SovietComics
  • · Replies 7 ·
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7
Undergrad Why is the lowest energy level close to the center?
  • LordWhiplash
  • · Replies 5 ·
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5
Undergrad Information in a light beam relative to the width of the beam?
  • Zelebg
  • · Replies 6 ·
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6
Graduate The probability of finding R out of N bosons in one half of a volume
  • Philip Koeck
  • · Replies 23 ·
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23
Undergrad Equal or larger/smaller versus larger/smaller in boundary conditions
  • Tokki
  • · Replies 1 ·
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1
Undergrad Superposition of Phases: A Key Concept in Connecting QFT and Statistical Physics
  • Heidi
  • · Replies 12 ·
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12
High School Exploiting radiocarbon dating for FTL communication
  • SongDog
  • · Replies 5 ·
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5
High School Position of a particle and photons
  • Maslova
  • · Replies 16 ·
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16
Undergrad Functional Derivatives: Overview & Tips
  • The black vegetable
  • · Replies 1 ·
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1
High School The use of the dx in the quantum state vector integral
  • etotheipi
  • · Replies 1 ·
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1
High School How to teach beginners in quantum theory the POVM concept
  • A. Neumaier
  • · Replies 62 ·
3
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Undergrad How does the N signify the indistinguishability in the Gibbs Paradox?
  • annaphys
  • · Replies 3 ·
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3