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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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Quantum Interpretations and Foundations

Particle vs Wave Interpretations of QM
1.3K threads
Undergrad Particle vs Wave Interpretations of QM
Undergrad What does motion mean in quantum mechanics?
  • sergiokapone
  • · Replies 27 ·
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27
Undergrad Precession of spin in a magnetic field
  • docnet
  • · Replies 10 ·
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10
Undergrad Why is a laser's beam parallel?
  • fxdung
  • · Replies 22 ·
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22
Undergrad On the Rydberg Constant and the Emission Lines
  • Gabrielmonteiro
  • · Replies 6 ·
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6
Undergrad Can the Exact Boltzmann Distribution Yield Specific Quantum State Populations?
  • rabbed
  • · Replies 5 ·
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5
Graduate Massive Vector Field: Questions & Answers
  • Aleolomorfo
  • · Replies 3 ·
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3
Undergrad Quantum mechanics supports solipsism?
  • Johnny5454
  • · Replies 1 ·
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1
Undergrad 100 boxes of Length L, an application of the famous Particle in A Box
  • PhysicsTruth
  • · Replies 11 ·
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11
High School Modern Physics: Charge of Discovered Particles
  • Theus_ferreira
  • · Replies 3 ·
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3
Undergrad To measure a Planck length would require a black-hole photon?
  • swampwiz
  • · Replies 10 ·
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10
Undergrad Is there an uncertainty between amplitude and phase in an EM wave?
  • fxdung
  • · Replies 6 ·
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6
Undergrad How does this experimental result show photon emission?
  • rtareen
  • · Replies 11 ·
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11
High School How is the measurement done for the double slit experiment?
  • brajesh
  • · Replies 3 ·
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3
Undergrad Trying to get a physical understanding of a Fermi gas
  • MarkL
  • · Replies 2 ·
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2
High School Understanding Single Photon Detection in the Double-Slit Experiment
  • jeremyfiennes
  • · Replies 17 ·
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17
Undergrad Quantities in the Heisenberg Uncertainly Principle
  • Kremmellin
  • · Replies 5 ·
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5
Graduate Are all quantum computers feedforward networks?
  • Agrippa
  • · Replies 14 ·
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14
Undergrad What stands for probability in QFT?
  • fxdung
  • · Replies 6 ·
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6
Undergrad Excited system in a harmonic potential
  • Malamala
  • · Replies 4 ·
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4
High School Photon detection methods -- do they always involve displacing an electron?
  • jeremyfiennes
  • · Replies 23 ·
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23
Graduate First Course in Graduate Quantum Mechanics Resources
  • Frank Schroer
  • · Replies 1 ·
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1
Undergrad Matrix Notation for potential in Schrodinger Equation
  • skynelson
  • · Replies 6 ·
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6
Undergrad The derivative of the complex conjugate of the wave function
  • Tony Hau
  • · Replies 29 ·
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29
Graduate Thought experiment in relativistic quantum mechanics?
  • Someone_physics
  • · Replies 4 ·
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4
Undergrad Can we quantize a static EM field?
  • fxdung
  • · Replies 22 ·
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22
Undergrad Does mean velocity equal group velocity of wave packets in QM?
  • fxdung
  • · Replies 5 ·
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5
High School Double slit question - how far apart can the slits be?
  • brajesh
  • · Replies 8 ·
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8
Graduate Density Operators, Trace and Partial Trace
  • skynelson
  • · Replies 2 ·
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2
Undergrad Classical equivalent of scalar free field in QFT
  • eoghan
  • · Replies 5 ·
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5
Undergrad What does this tricky quantum mechanics equation mean?
  • Ali Beladi
  • · Replies 3 ·
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3
Graduate Dirac Notation: Why is order reversed in ket expasion?
  • RoadDog
  • · Replies 4 ·
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4
Graduate Quantum CSP Algorithm for Aircraft Recovery Problem
  • Francis
  • · Replies 1 ·
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1
Undergrad Does the Wigner-Eckart theorem require good quantum numbers?
  • Decimal
  • · Replies 2 ·
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2
Graduate Conditional phase shift for Grover's algorithm
  • Francis
  • · Replies 2 ·
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2
High School How to construct 4 in+out Feynman diagram from 3 Feynman diagram?
  • Martian2020
  • · Replies 2 ·
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2
Undergrad How to interpret integration by parts
  • Tony Hau
  • · Replies 11 ·
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11
High School Questions about double slit experiments
  • rede96
  • · Replies 33 ·
2
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Undergrad Number of photons in an arbitrary EM field
  • Dale
  • · Replies 35 ·
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35
High School Why do we know all photons have same speed as the speed of light?
  • fxdung
  • · Replies 39 ·
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Undergrad What is difference between EM wave and EM field?
  • fxdung
  • · Replies 12 ·
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12
Undergrad Equivalence of these quantum circuits
  • lholmes135
  • · Replies 3 ·
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3
Undergrad Black holes -- Can you chill the particles of a black hole?
  • caybrax
  • · Replies 7 ·
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7
Graduate Dispersion of the wave packet over time
  • abeer-0101
  • · Replies 1 ·
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1
Graduate Where Can I Find the Proof of Asymptotically Helical Trajectory in a Lattice?
  • intervoxel
  • · Replies 1 ·
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1
Undergrad A statement in a superposition of being true and false?
  • Happiness
  • · Replies 7 ·
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7
Undergrad Are all processes CPT symmetric like measurement, stimulated emission?
  • Jarek 31
  • · Replies 8 ·
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8
High School U.Delft Quantum Results - Is the explanation parsimonious?
  • ndvcxk123
  • · Replies 12 ·
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12
Graduate Interface between Biological Physics and Quantum Physics
  • AryaKimiaghalam
  • · Replies 11 ·
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11
Graduate Conditional time evolution entropy and the experimenter?
  • Someone_physics
  • · Replies 3 ·
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3
Undergrad "Packing of energy" question related to the ultraviolet catastrophe
  • brajesh
  • · Replies 6 ·
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6
Undergrad Quantum Computing "Not" Operation - Mathematics Steps For Deriving It
  • Sparky_
  • · Replies 2 ·
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2
High School Double slit experiment with electrons
  • PainterGuy
  • · Replies 17 ·
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17
Graduate Hamiltonian commutes with a parity operator -- What does that mean?
  • LagrangeEuler
  • · Replies 7 ·
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7
High School Particles with small Wavelengths passing through huge slits?
  • InfiniteMonkey
  • · Replies 8 ·
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Graduate Understanding Counter Term Renormalization in Quantum Field Theory
  • mandy96
  • · Replies 4 ·
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4
Undergrad Why is h Not Known as Wien's Constant? | Explanation
  • AVentura
  • · Replies 26 ·
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26
Undergrad Realizing a Quantum Mechanical Watch-Stop
  • Someone_physics
  • · Replies 4 ·
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4
Graduate Quantum tomography: Where does the magic happen?
  • Jufa
  • · Replies 2 ·
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2
Graduate Photon Statistics in QFT & String Theory
  • dx
  • · Replies 13 ·
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13
Graduate What is a good basis for coupled modes in a resonator?
  • Supantho Raxit
  • · Replies 2 ·
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2
Graduate Feynman solution for the radial wave function of the hydrogen atom
  • emilionovati
  • · Replies 4 ·
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4
Graduate Path Integrals in Wolfram Mathematica
  • Mitya
  • · Replies 3 ·
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3
Graduate Position is no more an operator in QFT
  • Heidi
  • · Replies 5 ·
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5
Undergrad Matrix construction for spinors
  • shinobi20
  • · Replies 1 ·
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Undergrad Parity Eigenstates: X Basis Explanation
  • Nitram
  • · Replies 2 ·
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2
Graduate Restricted Boltzmann machine for Quantum state tomography
  • Jufa
  • · Replies 5 ·
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5
Undergrad Can a State with Nonmeasurable Local Properties be Described by Quantum Rules?
  • jk22
  • · Replies 2 ·
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Undergrad Indistinguishable particles in separate boxes
  • Swamp Thing
  • · Replies 9 ·
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9
High School Fermions, Pauli and antisymmetry
  • imsmooth
  • · Replies 5 ·
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5
High School Does the wave function change from the viewpoint of the photon?
  • Martian2020
  • · Replies 24 ·
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24
Undergrad Why does "control" mean "coherency" in Wigner's friend paradox?
  • SEYED2001
  • · Replies 13 ·
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13
Graduate Wavefunction of the Universe considering all possible boundaries?
  • Suekdccia
  • · Replies 1 ·
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1
Undergrad Bell measurement of distant particles
  • Heidi
  • · Replies 3 ·
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3
High School Do Photons Decay or Have a Half-Life?
  • mess
  • · Replies 25 ·
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25
High School Gravitational signature of a photon in a double slit experiment
  • Herbascious J
  • · Replies 75 ·
3
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Undergrad Hydrogen atom: Energies and eigenstates
  • LagrangeEuler
  • · Replies 17 ·
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17
Undergrad Justification of a trick in solving PDEs arising in Physics
  • fluidistic
  • · Replies 93 ·
4
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93
Undergrad Born rule: time running forwards and backwards?
  • jcap
  • · Replies 5 ·
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5
Undergrad Why is it that when anti-matter and matter meet they produce energy?
  • danielhaish
  • · Replies 17 ·
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17
High School Is a photon an excitation of the electromagnetic field?
  • entropy1
  • · Replies 13 ·
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13
High School What does the energy of a photon convert to with interference?
  • Kurt Mueller
  • · Replies 7 ·
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7
High School Entanglement and action at a distance -- What coordinate system?
  • Martian2020
  • · Replies 9 ·
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9
Undergrad What makes entanglement so interesting?
  • dsaun777
  • · Replies 29 ·
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29
Undergrad Delay in signaling between entanglement particles
  • danielhaish
  • · Replies 7 ·
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7
High School Is an electron beam affected by photons?
  • Herbascious J
  • · Replies 4 ·
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4
Undergrad Does photon self energy contribute to the speed of light?
  • Heidi
  • · Replies 2 ·
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2
High School Please gradually expain principles of atomic clocks
  • Martian2020
  • · Replies 7 ·
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7
Undergrad Understanding Strings: Basic Concepts Explained
  • planet-75
  • · Replies 2 ·
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2
High School Planck's equation and upper and lower bounds on the energy of a photon
  • PainterGuy
  • · Replies 8 ·
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8
Undergrad Are Virtual Exchange Particles a Valid Concept in Understanding Remote Forces?
  • planet-75
  • · Replies 3 ·
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3
High School How do we know that the measurement affects the result?
  • danHa
  • · Replies 15 ·
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15
Undergrad Completeness relations in a tensor product Hilbert space
  • Decimal
  • · Replies 13 ·
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13
High School Particle annihilation -- Is it instantaneous?
  • dsaun777
  • · Replies 10 ·
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10
Undergrad Article on photon wave-particle duality
  • physics pfan
  • · Replies 9 ·
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9
Undergrad Are electro-magnetic waves the same as the wave function?
  • Herbascious J
  • · Replies 3 ·
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3
High School Does retrocausality follow from logic?
  • entropy1
  • · Replies 11 ·
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11
Graduate How useful are quantum-classical hybrid theories?
  • andresB
  • · Replies 5 ·
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5
Undergrad Potential step and tunneling effect
  • Maximilian2
  • · Replies 9 ·
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9
Undergrad Interference in double-slit with single photons
  • Byron Forbes
  • · Replies 17 ·
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17
Undergrad Discreteness of bound vs unbound states
  • Mayan Fung
  • · Replies 11 ·
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11