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 Wave-particle duality and my non-physicist friend

  • Guineafowl
  • · Replies 7 ·
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Graduate Phenomena near the band edge of photonic crystals

  • vtahmoorian
  • · Replies 2 ·
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2

Graduate Two-Level System Consideration: Electron Indistinguishability

  • aaaa202
  • · Replies 2 ·
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Graduate How to understand the physics meanings for system x--> ix?

  • dongsh2
  • · Replies 4 ·
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4

Graduate How Do Quantum Probability Waves Differ from Classical Waves?

  • Feeble Wonk
  • · Replies 7 ·
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7

Graduate How to Determine Group from Commutation Relations?

  • geoduck
  • · Replies 2 ·
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2

Graduate Quantization of EM in UV & vacuum

  • Edward Wij
  • · Replies 1 ·
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Undergrad Ionization energy calculations

  • fsci
  • · Replies 3 ·
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3

Graduate Black Hole & Quantum Entanglement Experiment

  • GreenLRan
  • · Replies 2 ·
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Graduate From classical statistical physics to quantum physics

  • Mishra
  • · Replies 4 ·
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4

Graduate Keeping the spin constant during an experiment?

  • nomadreid
  • · Replies 6 ·
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6

Graduate Physical meaning of a wave packet w/ respect to HUP&duality

  • CentralSand
  • · Replies 6 ·
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Graduate Single photon, timing jitter, reduced indistinguishability?

  • zxontt
  • · Replies 2 ·
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2

Graduate Is wave-particle duality a myth?

  • gerbilmore
  • · Replies 8 ·
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8

Graduate How Can Everyday Ion Behavior Illustrate CP Violation?

  • vlemon265
  • · Replies 4 ·
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Graduate Spectral analysis and displacement law

  • Ruven
  • · Replies 2 ·
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Graduate Photon rest mass = 0 wasn't proven experimentally?

  • Nick666
  • · Replies 15 ·
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15

Graduate Wick's Theorem for free fields only

  • epsilon-
  • · Replies 5 ·
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5

Graduate Solving the Mystery of 1+2+3+4+... = -1/12

  • mario0815
  • · Replies 2 ·
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Graduate Question about the Hamiltonian Operator

  • plazprestige
  • · Replies 6 ·
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6

Graduate Possible webpage title: The Limits of Energy Levels in the Infinite Square Well

  • space-time
  • · Replies 2 ·
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Graduate Momentum doesn't exist prior to measurement?

  • Larry Pendarvis
  • · Replies 10 ·
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10

Graduate Another double-slit question

  • LitleBang
  • · Replies 8 ·
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8

Graduate Local hidden variable theories

  • TrickyDicky
  • · Replies 12 ·
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12

Graduate Visually representing entangled qubits (i.e., Bell state)

  • Elroy
  • · Replies 2 ·
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Graduate Follow-on to: Is the time-derivative Hermitian?

  • vanhees71
  • · Replies 15 ·
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Graduate Proof of the preservation of normalizability of the wavefunction

  • Ahmad Kishki
  • · Replies 2 ·
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2

Graduate Is the future of quantum mechanics retrocausal?

  • Quantumental
  • · Replies 17 ·
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Undergrad Why is understanding vector space essential for studying quantum physics?

  • blue_leaf77
  • · Replies 8 ·
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8

Graduate Feynman's QED lectures: quickest path and reflection

  • theorem4.5.9
  • · Replies 6 ·
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Graduate Can Quantum Tunneling Explain the Energy Released by the Sun?

  • Jimmy87
  • · Replies 4 ·
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4

Graduate When Quantum Mechanics is thrashed by non-physicists #1

  • dextercioby
  • · Replies 197 ·
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Graduate What happens to the Hamiltonian of the wave function after measurement?

  • quantumfunction
  • · Replies 3 ·
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3

Graduate What is the positronium spectrum and why is it difficult to display?

  • Dadface
  • · Replies 2 ·
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Graduate Arxiv: No Bell, no collapse, no spooky, no nonlocality

  • Nick666
  • · Replies 12 ·
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Graduate Does Quantum Mechanics Necessitate Consciousness?

  • Rnnat
  • · Replies 23 ·
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Undergrad The Physics of Consciousness by Dr. Evan Harris Walker

  • Rnnat
  • · Replies 2 ·
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2

Graduate Good books on the group theory of quantum mechanics

  • aabottom
  • · Replies 4 ·
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4

Graduate Integral to determine position probability.

  • space-time
  • · Replies 3 ·
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Graduate Understanding 6-31G in Molecules: N2

  • hiltac
  • · Replies 3 ·
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Undergrad Linear Algebra in Quantum Mechanics

  • majormuss
  • · Replies 2 ·
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Graduate Compton scattering; conservation of momentum violated?

  • Fosheimdet
  • · Replies 6 ·
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Graduate Transverse and longitudinal electric Green function

  • Jeffrey Yang
  • · Replies 11 ·
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Graduate Understanding Spin and Quantum States: Insights from 'The Theoretical Minimum

  • Quarlep
  • · Replies 9 ·
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Graduate Triplet and Singlet Helium States

  • Jdraper
  • · Replies 2 ·
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Graduate Collapse and Peres' Coarse Graining

  • atyy
  • · Replies 129 ·
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Graduate Is the time-derivative Hermitian?

  • mjordan2nd
  • · Replies 8 ·
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Graduate Is There an Experimental Apparatus to Determine Photon Propagation Mechanism?

  • TBag
  • · Replies 7 ·
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Graduate Article about creating molecules from photon

  • bubblewrap
  • · Replies 11 ·
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Graduate Can the Mossbauer Effect Occur in Liquids?

  • edpell
  • · Replies 1 ·
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Graduate Uncertainty in spin on multiple axes

  • space-time
  • · Replies 4 ·
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Graduate Are photons imaginary particles?

  • Invutil
  • · Replies 5 ·
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Graduate Heisenberg's Uncertainty Principle using Linear Algebra

  • rpthomps
  • · Replies 4 ·
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Graduate Selection of domain and codomain for wave function

  • Stephen Tashi
  • · Replies 17 ·
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Graduate Quantum imaging with undetected photons - adding of states

  • Sonderval
  • · Replies 7 ·
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Graduate Concerning Quantum Phenomenon the Center of the Torus

  • Symmetry777
  • · Replies 4 ·
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Graduate Understanding Quantum State Preparation: The Significance of |u> and |d> Vectors

  • Quarlep
  • · Replies 2 ·
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Graduate Emergent time - emergent space?

  • Bojan Keevill
  • · Replies 4 ·
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Graduate Ψ1,ψ2 same E, p, are ⊥; find Ωψ1=ω1ψ1, Ωψ2=ω2ψ2; ω1≠ω2?

  • Spinnor
  • · Replies 1 ·
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Graduate Is the electromagnetic field more or less real than the quantum wavefunction?

  • LaserMind
  • · Replies 6 ·
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6

Graduate Interpreting E=hf: Particle, Wave & Planck's Constant

  • Daniel Wqw
  • · Replies 12 ·
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12

Graduate Do spinors still do "funky" weird stuff in 1+1 spacetime?

  • Spinnor
  • · Replies 6 ·
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Graduate How to treat spin orbit operator directly

  • hokhani
  • · Replies 5 ·
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5

Graduate Dirac spinor in 1+1d, do the 2 components represent spin?

  • Spinnor
  • · Replies 2 ·
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Graduate Radio Antenna: How Photons Help Decode FM and AM Radio Signals

  • jaydnul
  • · Replies 7 ·
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Graduate What happens to electron wave as it travles to light speed

  • 1832vin
  • · Replies 3 ·
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Graduate Effective occupation number of photon

  • Jeffrey Yang
  • · Replies 2 ·
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Graduate Gauge Fixing Term and Equations of Motion

  • the_pulp
  • · Replies 5 ·
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Graduate Phasing of spin due to a radiofrequency pulse

  • mkj
  • · Replies 6 ·
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Graduate Virtual particles coming into existence

  • acesuv
  • · Replies 15 ·
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15

Graduate Light's orbital angular momentum

  • Khashishi
  • · Replies 6 ·
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6

Graduate Quantum theory of radiation

  • wasi-uz-zaman
  • · Replies 3 ·
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3

Undergrad What is the concept of photon momentum in simple experiments?

  • mac_alleb
  • · Replies 13 ·
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13

Graduate Cavity quantum electrodynamics

  • wasi-uz-zaman
  • · Replies 6 ·
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6

Graduate Zero Point Energy: Is it Present in Cavity Only?

  • wasi-uz-zaman
  • · Replies 2 ·
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2

Graduate What Defines a Local Operator in Position Space?

  • geoduck
  • · Replies 3 ·
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3

Graduate How Does Measurement Affect Photon Behavior in the Double Slit Experiment?

  • Jip
  • · Replies 3 ·
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3

Graduate Double-slit experiment and gravity

  • Ookke
  • · Replies 13 ·
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13

Graduate Possible Logical Flaw in Sakurai

  • JohnZinc
  • · Replies 1 ·
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1

Graduate Laser Lattice: Understanding Frequency & Wave Vector Effects

  • KFC
  • · Replies 4 ·
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4

Graduate Question About Hilbert Space Convention

  • stevendaryl
  • · Replies 5 ·
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5

Graduate Strong force and beta function

  • acegikmoqsuwy
  • · Replies 2 ·
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2

Graduate Double Slit Experiment with Electrons

  • diemilio
  • · Replies 31 ·
2
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31

Graduate Are these articles proof that wave function is real?

  • Nick V
  • · Replies 12 ·
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12

Graduate Ways to put subatomic particles in indeterminate state

  • sanpkl
  • · Replies 3 ·
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3

Graduate Complete set of eigenvectors question

  • Clear Mind
  • · Replies 7 ·
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7

Graduate Why Does xp ≠ i * hbar? | Wolfram Alpha

  • leonmate
  • · Replies 11 ·
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11

Graduate Orbital Angular Momentum and Photon Energy

  • jkg0
  • · Replies 6 ·
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6

Graduate Is prior information lost during/after entanglement?

  • sanpkl
  • · Replies 1 ·
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1

Graduate Quantized Gravity: GR, Gravitational Waves & Gravitons

  • L.Newton
  • · Replies 19 ·
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Graduate Envisioning Electron Wave Properties

  • JFS321
  • · Replies 6 ·
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6

Graduate Does a bullet have a wavefront stuck in its nose in vacuum?

  • luckis11
  • · Replies 18 ·
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18

Graduate Casimir Effect Force in a Collapsing Sphere

  • nst.john
  • · Replies 4 ·
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4

Graduate Question about time in QM vs. special relativity?

  • Amaterasu21
  • · Replies 3 ·
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3

Graduate Is wave function a real physical thing?

  • Nick V
  • · Replies 150 ·
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Graduate Is wave function a probability function of time?

  • Quarlep
  • · Replies 7 ·
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Graduate BBC Jim Al-Khalili Presentation -- robin bird eyes use quantum entanglement?

  • Edward Wij
  • · Replies 10 ·
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10

Graduate Does Particle Spin Refer to Rotation?

  • Dmoore1991
  • · Replies 16 ·
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16

Graduate Help? UrgentEntanglement Stumped: Get Urgent Help Now!

  • SpookyAction
  • · Replies 24 ·
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24

Graduate Diagonalizabilty versus spread for uncertainty (discrete)

  • nomadreid
  • · Replies 2 ·
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2