Quantum Physics Forum

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.

Threads

Graduate Temporal Superposition and the Double Slit Experiment

  • albroun
  • · Replies 19 ·
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Graduate Splitting a single light source into two out-of-phase sources?

  • DanielFaraday
  • · Replies 1 ·
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Undergrad Photons transmitted through transparent substances.

  • Infrasound
  • · Replies 5 ·
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Graduate Otimes notation and tau matrices used in definition of gamma matrices?

  • Peeter
  • · Replies 3 ·
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Graduate Four fundamental forces. Which one is this?

  • Antiphon
  • · Replies 10 ·
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Graduate Is Faster-Than-Light Travel Possible Through Quantum Entanglement?

  • San K
  • · Replies 19 ·
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Graduate Can We Predict the Nature of Virtual Particles Created in Quantum Events?

  • nouveau_riche
  • · Replies 3 ·
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Graduate Rigorous Feynman pathintegral derivation

  • nahsihorst
  • · Replies 8 ·
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Graduate Collapse of the wave-function of a single photon in the general sense

  • entropy1
  • · Replies 5 ·
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Graduate Unbounded operators in non-relativistic QM of one spin-0 particle

  • Fredrik
  • · Replies 76 ·
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Graduate DCQE - how does/can the pattern change?

  • San K
  • · Replies 115 ·
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Graduate Maximal set of commuting observables

  • McLaren Rulez
  • · Replies 9 ·
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Graduate Energy and momentum operators in QM

  • McLaren Rulez
  • · Replies 7 ·
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Graduate The Jaynes-Cummings Hamiltonian

  • kof9595995
  • · Replies 2 ·
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Graduate Interference Pattern in Cascaded Experiments

  • nouveau_riche
  • · Replies 7 ·
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Graduate Quantum Tunnelling Technologies

  • crissyb1988
  • · Replies 4 ·
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Graduate Relativistic Momentum Operator

  • Yitzach
  • · Replies 6 ·
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Graduate Understanding Hadamard Gates on Quantum Circuits

  • jayjones01
  • · Replies 8 ·
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Graduate Derivation of Rayleigh–Jeans law

  • jonathanpun
  • · Replies 1 ·
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Graduate Is entanglement effected by space-time?

  • San K
  • · Replies 1 ·
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Graduate Wigner-Eckart Theorem: Rigorous Math Treatment

  • WiFO215
  • · Replies 4 ·
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Graduate Does Space Possess Mass Through Virtual Particles?

  • Nano-Passion
  • · Replies 7 ·
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Graduate How to explain the smallness of mass while the mass parameter diverge rapidly in ?

  • ndung200790
  • · Replies 7 ·
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Undergrad Difference between Compton effect and Photoelectric effect

  • jonathanpun
  • · Replies 1 ·
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Graduate Photons and Bose Einstein statistics

  • DanP
  • · Replies 19 ·
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Graduate Schrodinger Equation in momentum space? ?

  • 0ddbio
  • · Replies 6 ·
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Graduate Do weak measurement prove randomness is not inherent?

  • San K
  • · Replies 56 ·
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Graduate Can you tell if a single electron was observed without knowing if the detector was on?

  • little bang
  • · Replies 3 ·
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Graduate Is coherence restored after erasure of which-way info?

  • San K
  • · Replies 10 ·
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Graduate Explaining DCQE through coherence and which-way information

  • San K
  • · Replies 59 ·
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Graduate Angular momentum theory problem probably wrong sign

  • lgnr
  • · Replies 1 ·
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Graduate Understanding which-way patterns in DCQE

  • San K
  • · Replies 1 ·
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Graduate Feynman's QED claims about light particles and renormalization

  • SteveL27
  • · Replies 2 ·
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Graduate FTL via entanglement- paper discussing similar

  • San K
  • · Replies 4 ·
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Graduate Fourier transform of scattering hamiltonian

  • dkin
  • · Replies 1 ·
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Graduate What Are the Common Misconceptions About Quantum Physics?

  • MyQuest
  • · Replies 17 ·
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Graduate Why must A2 be zero in Schaum's Quantum Mechanics?

  • atomqwerty
  • · Replies 3 ·
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Graduate How to Prove Momentum Operator is Hermite Operator?

  • Karmerlo
  • · Replies 2 ·
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Graduate Delayed choice quantum eraser – Yoon Vs Walborn experiment/paper

  • San K
  • · Replies 1 ·
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Graduate Is FTL Communication Possible Through Quantum Entanglement?

  • San K
  • · Replies 10 ·
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Graduate Is Qualia Intrinsically Linked to Quantum Mechanics?

  • Varon
  • · Replies 63 ·
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Graduate Is Pauli repulsion a real force or an emergent property?

  • valleyman
  • · Replies 5 ·
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Graduate Degenerate perturbation theory help

  • thoughtgaze
  • · Replies 12 ·
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High School How do charge and mass relate, and how does mass affect the force between particles?

  • PrasadDev
  • · Replies 2 ·
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Graduate Renormalisation group transformation- Peskin

  • muppet
  • · Replies 1 ·
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Graduate Four vector made of Pauli matrices commute?

  • earth2
  • · Replies 1 ·
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Graduate How is observer defined in context to quantum physics?does it have

  • nouveau_riche
  • · Replies 32 ·
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Graduate Proving that an operator is not Hermitian

  • McLaren Rulez
  • · Replies 5 ·
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Graduate Does the universe split in the double slit experiment?

  • lowing99
  • · Replies 6 ·
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Graduate Pictures of electron etc orbits

  • luckis11
  • · Replies 8 ·
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Graduate How does QFT explain instant determination in EPR measurements of entangled fermions?

  • LarryS
  • · Replies 6 ·
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Graduate No-cloning theorem and time travel

  • stevenytc
  • · Replies 4 ·
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Graduate Are quantum field only calculation tools?

  • Varon
  • · Replies 6 ·
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Graduate Uncertainty principle and Einstein's thought experiments

  • peterpang1994
  • · Replies 6 ·
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Graduate Can boxes trap photon wavefunctions without collapsing them at each slit?

  • troymclure
  • · Replies 10 ·
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Graduate Ghost Imaging - FLT, what is missing here?

  • San K
  • · Replies 8 ·
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Graduate What are the matter wave polarization parameters?

  • Greylorn
  • · Replies 3 ·
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Graduate Remote-Sensing Quantum Hyperspace by Entangled Photon Interferometry

  • ShotmanMaslo
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Graduate Could Black Holes Actually Be Wormholes Into Other Universes?

  • stephenwlin
  • · Replies 2 ·
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Graduate Quantum Entanglement - properties

  • San K
  • · Replies 2 ·
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Graduate Possible cause of the Uncertainty effect on leptons

  • mayeraus41
  • · Replies 10 ·
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Graduate What force does a vacuum exert in the Casimir effect?

  • nhmllr
  • · Replies 3 ·
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Graduate Variational principle in quantum mechanics

  • tom.stoer
  • · Replies 9 ·
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Graduate Time dependent Baker-Hausdorf formula

  • paweld
  • · Replies 2 ·
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Graduate Diagonal elements in time-dependent perturbation theory

  • baranas
  • · Replies 3 ·
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Graduate This is the Hilbert space for the Dirac spinor and state vector.

  • kof9595995
  • · Replies 7 ·
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Graduate How do Noether's theorems apply to field theory and discontinuous symmetries?

  • akai_ma
  • · Replies 1 ·
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Undergrad How are small particles detected (or seen)?

  • gursimran
  • · Replies 8 ·
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Graduate ONLY three quark colors (and three anti-colors)?

  • jerich1000
  • · Replies 6 ·
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Graduate Is Partial Quantum Collapse Possible Through Selective Measurement?

  • Yoni
  • · Replies 2 ·
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Graduate One qubit modeling the universe

  • R.P.F.
  • · Replies 4 ·
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Graduate Only Observables can be in Superposition?

  • Varon
  • · Replies 3 ·
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Graduate Best Resources for Learning Path Integral Formulation in Quantum Mechanics?

  • Amok
  • · Replies 2 ·
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Graduate Feynman Diagrams- Not Conserving Momentum?

  • nhmllr
  • · Replies 7 ·
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Graduate Use of quantum ideas in classical statistical physics

  • spaghetti3451
  • · Replies 4 ·
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Graduate Why is probability density = |wavefunction|^2?

  • DuckAmuck
  • · Replies 1 ·
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Graduate Does electron position uncertainty affect macroscopic object position?

  • kirkulator
  • · Replies 1 ·
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Graduate Can you erase which-slit information after seeing the interference pattern?

  • nickelite
  • · Replies 4 ·
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4

Graduate Angular-Momentum Quantum Numbers

  • Zarathustra0
  • · Replies 6 ·
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Graduate Interferometers with unequal arm lengths

  • alanf
  • · Replies 9 ·
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Graduate Background Indipendant or Dependant?

  • madhatter106
  • · Replies 2 ·
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Graduate Discussion of A. Neumaier's claim that classical EM can violate Bell's theorem

  • JesseM
  • · Replies 8 ·
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Graduate QM Newbie: What Does 'Non-Degenerate Spectrum of Boundstates' Mean?

  • c299792458
  • · Replies 2 ·
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Graduate Is Bell's Theorem a Valid Solution to the Locality Versus Nonlocality Issue?

  • rlduncan
  • · Replies 199 ·
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Graduate Why can we freely disposal the renormalization conditions?

  • ndung200790
  • · Replies 13 ·
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Graduate Can a classical model for electron satisfy requirements of quantum mechanics?

  • mane.dada
  • · Replies 5 ·
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Graduate Color of Gluon Jets in Electron-Positron Annihilation

  • appearelectro
  • · Replies 1 ·
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Graduate Superposition betweeen Boson and Fermion

  • Varon
  • · Replies 7 ·
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Graduate Deriving variation in Hartree-Fock method

  • baranas
  • · Replies 1 ·
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Undergrad Heisenberg Uncertainty Principle Meaning

  • asalmon14
  • · Replies 10 ·
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Graduate How is there discrepancy between GR and QM?

  • nhmllr
  • · Replies 1 ·
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Graduate TED Video: Making sense of a visible quantum object

  • rhody
  • · Replies 1 ·
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Graduate In Calculus, does the limit somehow describe QP

  • hankaaron
  • · Replies 1 ·
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Graduate What are quantum fluctuations and how could they create a universe?

  • mattthecat
  • · Replies 7 ·
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Graduate Super position? or super assumption?

  • Shinns
  • · Replies 2 ·
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Graduate How to get relation for multipole radiation?

  • baranas
  • · Replies 2 ·
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Graduate Deriving the delta function from plane wave orthogonality integral

  • Livethefire
  • · Replies 9 ·
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Graduate Quantum Entanglement: Questions

  • Spice
  • · Replies 4 ·
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Graduate Spin-1 Propagator and polarization vectors

  • TriTertButoxy
  • · Replies 1 ·
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Graduate Calculating the momentum of a debroglie wave from its wave function

  • mitch_1211
  • · Replies 12 ·
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