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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 1D scattering: Taylor expansion
  • WWCY
  • · Replies 6 ·
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6
Undergrad Locality and Wave Function Collapse Implications
  • The Head
  • · Replies 8 ·
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8
Undergrad Doubt in the quantum harmonic oscillator
  • Lebnm
  • · Replies 3 ·
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3
Undergrad Particle in a box experiment confirmation
  • ftr
  • · Replies 6 ·
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6
Graduate Why is this Pilot-wave model on a discrete spacetime stochastic?
  • Ali Lavasani
  • · Replies 2 ·
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2
High School How can a mirror reflect 99,999% of incident light?
  • intervoxel
  • · Replies 5 ·
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5
Insights The Quantum Mystery of Wigner's Friend - Comments
  • RUTA
  • · Replies 33 ·
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Undergrad Can Two Particle-in-a-Box Systems Interact to Affect Entropy?
  • WombatWithANuke
  • · Replies 3 ·
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3
Undergrad Very simple explanation of Wigner's friend needed
  • idea2000
  • · Replies 1 ·
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1
Insights A First Idea of Quantum Field Theory - 20 Part Series - Comments
  • Urs Schreiber
  • · Replies 9 ·
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9
Graduate Vector sum schemes for LS coupling & jj coupling
  • bentzy
  • · Replies 6 ·
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6
Undergrad Two identical spin 1/2 particles
  • Lebnm
  • · Replies 1 ·
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1
Graduate Path Integral Approach To Derive The KG Propagator
  • Woolyabyss
  • · Replies 4 ·
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4
Undergrad Trouble with cubical cavity radiation
  • GhostLoveScore
  • · Replies 3 ·
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3
Undergrad New book on the foundations of quantum mechanics
  • ttn
  • · Replies 14 ·
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14
High School Taking Quantum Computers into Space
  • happyhacker
  • · Replies 13 ·
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13
Undergrad Double slit interactive detector
  • CHOP
  • · Replies 3 ·
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3
Undergrad Calculating the number of energy states using momentum space
  • JohnnyGui
  • · Replies 153 ·
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Undergrad Divergent vacuum uncertainty of fields in QFT, how to resolve?
  • HomogenousCow
  • · Replies 18 ·
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18
Undergrad Confusion about the Concept of Operators
  • jdou86
  • · Replies 14 ·
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14
Undergrad Space is discrete or continuous?
  • Philipsmett
  • · Replies 2 ·
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2
High School Is Born's rule really verified?
  • Dimosthenis76
  • · Replies 14 ·
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14
Undergrad How to quantum mechanically describe the photon?
  • Somali_Physicist
  • · Replies 14 ·
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14
High School Are there unverifiable assertions about probabilities
  • jk22
  • · Replies 4 ·
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4
Undergrad Does String Theory Justifiably Extend Gravitational Laws to Sub-Planck Lengths?
  • john t
  • · Replies 1 ·
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1
Undergrad Normalisation constant for identical particles
  • WWCY
  • · Replies 1 ·
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1
High School Why is L=2 not acceptable for carbon according to Hund's second rule?
  • Haorong Wu
  • · Replies 3 ·
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3
Undergrad Does Quantum Mechanics Suggest a Conservation of Possibilities?
  • entropy1
  • · Replies 1 ·
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1
Undergrad The Planck length and string theory
  • john t
  • · Replies 5 ·
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5
Undergrad Arrow of time and its reversal on a IBM quantum computer
  • andrew s 1905
  • · Replies 5 ·
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5
Undergrad Relation between spectral radiance and density of cavity
  • Jhordan
  • · Replies 7 ·
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7
Undergrad "Basic" question about Grover's Quantum Computing algorithm
  • QComp
  • · Replies 13 ·
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13
Undergrad Will quantum computation lower energy requirements?
  • QGrav
  • · Replies 4 ·
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4
Undergrad Entanglement vs. Coherence in SPDC
  • Erik Ayer
  • · Replies 20 ·
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20
High School Delayed choice quantum communication - "Berlin riddle"
  • Bob Ziegler
  • · Replies 1 ·
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1
Undergrad Maxwell Tensor Identity Explained: Deriving Formula 8.23 in Schawrtz's Book
  • dm4b
  • · Replies 3 ·
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3
Undergrad Requesting help with the uncertainty principle equation
  • dyn
  • · Replies 15 ·
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15
Undergrad Vacuum projection operator and normal ordering
  • "Don't panic!"
  • · Replies 19 ·
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19
Undergrad Solving Quantum Mechanics Integral Equation: How to Get from (1) to (2)?
  • physics bob
  • · Replies 4 ·
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4
Undergrad General solution to the Time-independent Schrödinger equation?
  • greswd
  • · Replies 8 ·
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8
Undergrad Against Collapse: A Mathematical Argument
  • Peter Morgan
  • · Replies 4 ·
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4
Graduate Has the 2-stage Stern-Gerlach experiment been performed?
  • Ali Lavasani
  • · Replies 2 ·
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2
Graduate Renormalization (Electron self energy)
  • Aleolomorfo
  • · Replies 4 ·
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4
Undergrad QFT - Confusion about Fermi's Golden Rule & Cross-Sections
  • tomdodd4598
  • · Replies 1 ·
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1
Undergrad The (quantum) world existing AND non-existing
  • entropy1
  • · Replies 1 ·
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1
Undergrad David Deutsch (1985) attempt to solve the incoherence problem
  • jxcs
  • · Replies 2 ·
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2
Undergrad What Is the Empty Space in the Double Slit Experiment's Interference Pattern?
  • Sdog
  • · Replies 7 ·
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7
Undergrad Weak interaction between electrons
  • Philipsmett
  • · Replies 5 ·
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5
Undergrad Spin matrices and Field transformations
  • Markus Kahn
  • · Replies 3 ·
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3
Undergrad Symmetries in quantum mechanics and the change of operators
  • Lebnm
  • · Replies 3 ·
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3
Graduate Haag's Theorem and the Poincare Group
  • DarMM
  • · Replies 29 ·
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29
Undergrad Phonon Mass: Understanding its Sign and Effects on Gravity
  • snorkack
  • · Replies 15 ·
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15
High School Instant Quantum Communicator: Does Time Dilation Affect Voice?
  • KaiEris
  • · Replies 4 ·
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4
Insights A Classical View of the Qubit - Comments
  • A. Neumaier
  • · Replies 2 ·
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2
Undergrad Momentum of a stationary particle/wave?
  • Philip Land
  • · Replies 36 ·
2
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36
Undergrad Can the quantum eraser work without coincidence?
  • Erik Ayer
  • · Replies 1 ·
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1
Undergrad Averaging Initial & Endstates in Trace Formula
  • jk22
  • · Replies 2 ·
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2
High School Does the brain use quantum mechanics?
  • Demirci Kawa
  • · Replies 17 ·
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17
Graduate Concepts in a quantum synchronization setup
  • Danny Boy
  • · Replies 1 ·
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1
Undergrad How can one know the initial state from measurements?
  • pellman
  • · Replies 4 ·
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4
Graduate Multiverse vs Ugliverse vs Quantum Monism
  • jedishrfu
  • · Replies 3 ·
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3
Graduate Photon Spin and Polarization filters
  • PavanKumar
  • · Replies 5 ·
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5
Undergrad Newtonian Gravity Vs. Quantum Gravity
  • Quantum Physics
  • · Replies 1 ·
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1
High School Quantum entanglement mechanics
  • cHaRLie Bi0NiC
  • · Replies 3 ·
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3
Undergrad Continuous variable entanglement
  • WWCY
  • · Replies 1 ·
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1
Graduate Understanding Goldstone's Theorem Proof: Volume Limit and Commutator
  • Aleolomorfo
  • · Replies 1 ·
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1
Undergrad Difference between spin repulsion and electrostatic repulsion of an electron?
  • Philipsmett
  • · Replies 1 ·
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1
Graduate The relationship between random fields and quantum fields
  • Peter Morgan
  • · Replies 1 ·
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1
Undergrad Particle in a box and quantization of energy
  • Alan Ezra
  • · Replies 15 ·
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15
Undergrad The Classical Limit of Maxwell-Boltzmann Distribution
  • JohnnyGui
  • · Replies 2 ·
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2
Undergrad Ab Initio methods for chemical reactions?
  • jonjacson
  • · Replies 20 ·
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20
Undergrad Is it possible to detect an electrostatic field?
  • Philipsmett
  • · Replies 1 ·
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1
Undergrad Does wave superposition consume time?
  • LarryS
  • · Replies 1 ·
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1
Undergrad Why can't an electron be spinning?
  • Vampyr
  • · Replies 2 ·
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2
Undergrad Photoelectric Measurements & the Nature of Surfaces
  • Gerlan Silva
  • · Replies 3 ·
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3
High School Quantum field theory and the collapse of the wave function
  • Joao
  • · Replies 2 ·
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2
Undergrad Franson interferometer: Entanglement?
  • greypilgrim
  • · Replies 3 ·
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3
Graduate Frequency threshold in the photoelectric effect
  • Gerlan Silva
  • · Replies 10 ·
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10
Undergrad Superposition Analogy: Ceiling Fan Spin Beyond 15,000 RPM
  • ScienceMike33
  • · Replies 4 ·
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4
Undergrad Parity operator and a free particle on a circle
  • dyn
  • · Replies 57 ·
2
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57
Undergrad Microwave photons and microwave oven doors
  • S Beck
  • · Replies 7 ·
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7
Undergrad Symmetry transformation in Heisenberg vs Schrödinger Picture
  • hgandh
  • · Replies 2 ·
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2
High School Question about how the nabla interacts with wave functions
  • DuckAmuck
  • · Replies 2 ·
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2
Graduate Ballentine: Decoherence doesn't resolve the measurement problem
  • Auto-Didact
  • · Replies 69 ·
3
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69
Undergrad Confusion about the quantum field Lorentz transformation
  • HomogenousCow
  • · Replies 3 ·
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3
Undergrad If philosophical discussions are not allowed
  • BWV
  • · Replies 16 ·
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16
Undergrad CSCO of Total Angular momentum
  • QuantumDuality
  • · Replies 1 ·
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1
High School Entangled Photons: Adam Becker's QM Book "What is Real?
  • jeremyfiennes
  • · Replies 10 ·
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10
High School Does Entangled Particle Detection Prove the Spooky Action at a Distance?
  • ScienceMike33
  • · Replies 18 ·
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18
High School Would there be an upper limit to density in QM?
  • benorin
  • · Replies 3 ·
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3
Graduate Is the visualization of quantum fields as harmonic oscillators accurate?
  • Geofleur
  • · Replies 1 ·
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1
Graduate How to explain the nuclear radius of Uranium 238 using QM
  • JD_PM
  • · Replies 2 ·
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2
Undergrad What is Stochastic Quantum Mechanics (in simple terms)?
  • john taylor
  • · Replies 2 ·
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2
Graduate Schrödinger's cat: what's the state?
  • Peter Morgan
  • · Replies 17 ·
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17
Undergrad Understanding the Role of k in the Wavefunction of Quantum Systems
  • Arman777
  • · Replies 6 ·
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6
High School Does the Universe Consist of Information Rather Than Stuff?
  • entropy1
  • · Replies 4 ·
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4
High School Thought experiment -- A radioactive decay detector and randomness
  • dRic2
  • · Replies 19 ·
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19
Graduate What is the Vector Manipulation Formula for Elastic Scattering Angle?
  • JD_PM
  • · Replies 4 ·
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4
Graduate Confusing eigensolutions of a wave function
  • Yourong Zang
  • · Replies 3 ·
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3
Graduate Measurement and the Conservation of Momentum
  • Bernard Brault
  • · Replies 6 ·
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6