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 Why is potential energy zero inside an infinite potential well?

  • pivoxa15
  • · Replies 8 ·
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8

Graduate How does changing the frequency of radiation affect the mass of particles?

  • Xargoth
  • · Replies 5 ·
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5

Graduate Is the egg balanced on a knife in multiple universes at once?

  • alfredblase
  • · Replies 2 ·
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2

Graduate Experimental Evidence and QFT.

  • Son Goku
  • · Replies 5 ·
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5

Graduate Ohan Prins of the University of Pretoria

  • Dense
  • · Replies 11 ·
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11

Graduate Does observing which slit an electron goes through prevent interference?

  • vincentm
  • · Replies 61 ·
3
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61

Graduate Can quantum computers validate superposition by factoring with Shor's algorithm?

  • -Job-
  • · Replies 2 ·
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2

Undergrad New to Quantum Physics? Get Started Here

  • Einherjar
  • · Replies 6 ·
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6

Graduate Can Matter Collapse Its Own Wave Function?

  • DarkFoxFurre
  • · Replies 1 ·
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1

High School Proving the Size of Atoms is Nearly 10^-8cm

  • prochatz
  • · Replies 6 ·
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6

Graduate About an idea concerning collapse

  • alfredblase
  • · Replies 12 ·
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12

Graduate Create Particle: Emerge from Energy or Divide?

  • wolram
  • · Replies 7 ·
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7

Graduate Is The Music of the Quantum the Future of Physics Education?

  • ZapperZ
  • · Replies 1 ·
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1

Graduate Why doesn't the wave description explain the photoelectric effect?

  • silverdiesel
  • · Replies 6 ·
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6

Graduate Outcome counting, the action principle, and GR

  • straycat
  • · Replies 10 ·
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10

Graduate Inner products of delta functions and eigenstates of position

  • Hurkyl
  • · Replies 16 ·
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16

Graduate Orientation and Hilbert space bra / ket factoring.

  • CarlB
  • · Replies 12 ·
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12

Graduate What Triggers the Electron's Change in the Double Slit Experiment?

  • mizpah12
  • · Replies 5 ·
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5

Is a Scratch Bingo Ticket in Superposition?

  • munky99999
  • · Replies 2 ·
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2

Graduate Why does orbital angular momentum have to be an integer?

  • dextercioby
  • · Replies 3 ·
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3

Graduate Undergraduate's Questions on Electron Rest Frequency

  • derz
  • · Replies 6 ·
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6

Graduate Interpretations of the two slit experiment beyond Copenhagen

  • Schrodinger's Dog
  • · Replies 8 ·
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8

Graduate Is it possible to derive action principle #2 from QM?

  • straycat
  • · Replies 31 ·
2
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31

Graduate Why use psi squared for probability and not higher powers

  • pivoxa15
  • · Replies 17 ·
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17

Undergrad What is the exact definition of light intensity?

  • RavanDi
  • · Replies 1 ·
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1

Graduate Why must Schrödinger's equation be linear?

  • UrbanXrisis
  • · Replies 2 ·
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2

Can imagination create infinite characters in superposition?

  • I like pie
  • · Replies 7 ·
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7

Graduate Does quantum potential mean the same as classical potential energy?

  • quantumcarl
  • · Replies 3 ·
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3

Graduate Bell Locality: New Paper Clarifies Arguments

  • ttn
  • · Replies 102 ·
4
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Graduate Why is Schrödinger's cat paradoxical if the cat is just randomly alive or dead?

  • jhe1984
  • · Replies 44 ·
2
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44

Graduate How Do Photons Influence Quantum Systems?

  • Ratzinger
  • · Replies 6 ·
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6

Graduate Planck mass; time; length derived out of air?

  • Chaos' lil bro Order
  • · Replies 5 ·
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5

Graduate The Deutsch problem in quantum computation

  • ptabor
  • · Replies 3 ·
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3

Graduate Instantaneous Communications Using Entangled States

  • SkyLeach
  • · Replies 4 ·
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4

Graduate Quantum Mechanics: Can You Pass Through Walls?

  • Milind_shyani
  • · Replies 9 ·
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9

Graduate Superposition of two electrons

  • Kruger
  • · Replies 9 ·
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9

Graduate Spin triplet supercurrent [Brown University]

  • Mk
  • · Replies 1 ·
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1

Graduate What is Geometry of Quantum Mechanics?

  • cartuz
  • · Replies 11 ·
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11

Graduate Wave collapse. Fact or fiction?

  • RAD4921
  • · Replies 18 ·
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18

Graduate Can we define a photon wavefunction like we do for electrons?

  • jauram
  • · Replies 2 ·
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Graduate Quantum mechanics without unitary evolution

  • Tez
  • · Replies 3 ·
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3

Graduate What is the Random Walk Transition Matrix in Configuration Space?

  • Neitrino
  • · Replies 10 ·
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10

Graduate Again Question on Particle Birth

  • Neitrino
  • · Replies 2 ·
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2

Graduate Decoherence - How not to break entanglement?

  • zekise
  • · Replies 7 ·
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7

Graduate Decoherence - why does the fringe disappear?

  • zekise
  • · Replies 11 ·
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11

Graduate Why do poles in amplitude expressions correspond to particles?

  • Sombrero
  • · Replies 1 ·
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1

Graduate Energy, photons, angular momentum and polarization

  • alfredblase
  • · Replies 7 ·
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7

Graduate Quantum Telecloning: Scientists Create Remote Copies of Laser Light

  • Ivan Seeking
  • · Replies 3 ·
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3

Graduate The Heisenberg Uncertainty Principle

  • Whitestar
  • · Replies 44 ·
2
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Graduate Klein-Gordon equation applied to the harmonic oscillator and hydrogen atom

  • ziad1985
  • · Replies 10 ·
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10

Graduate Do Mirrors in Quantum Experiments Act as Measurement Devices?

  • nrqed
  • · Replies 3 ·
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3

Graduate EPR paradox revisited, again. hehehe

  • alfredblase
  • · Replies 124 ·
5
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Graduate Angular Momentum and the Role of h-Bar in Quantum Mechanics

  • waht
  • · Replies 6 ·
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6

Graduate What are the applications of quantum telecloning?

  • blumfeld0
  • · Replies 1 ·
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1

Graduate What is the maths behind single electron double slit interference please?

  • alfredblase
  • · Replies 2 ·
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2

Graduate How Are Goldstone Bosons Formed in Chiral Symmetry Breaking?

  • Neitrino
  • · Replies 1 ·
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Graduate Statistical form of Heisenberg Uncertainty

  • Confused2
  • · Replies 2 ·
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2

Graduate The Limit of Understanding Quantum Mechanics

  • garyc
  • · Replies 4 ·
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4

Undergrad Atomic Wavefunction Integration Question

  • Kestrel
  • · Replies 1 ·
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1

Graduate How Does Superposition Impact Momentum and Electron Clouds in Quantum Mechanics?

  • tbone
  • · Replies 1 ·
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1

Graduate Effect of distance and temperature on tunnel current

  • Logik
  • · Replies 1 ·
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1

Graduate Difference between thermodynamic entropy and von Neumann entropy

  • touqra
  • · Replies 4 ·
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4

Graduate Quantum Computation: Finding a Community

  • Ad Infinitum NAU
  • · Replies 1 ·
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1

Graduate How Does Spontaneous Symmetry Breaking Explain Particle Masses?

  • Sumo
  • · Replies 1 ·
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1

Undergrad Is Kinetic Energy Just Matter Interacting with Matter?

  • Ghetalion
  • · Replies 45 ·
2
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45

Graduate Quantum particle-pair creation effect on spacetime

  • CosmologyHobbyist
  • · Replies 1 ·
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1

Graduate Why can't a free particle with definite momentum be normalized?

  • broegger
  • · Replies 25 ·
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25

Graduate Does the Quantum Model Quantize Everything?

  • chound
  • · Replies 1 ·
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1

Graduate Any one looked into Heim Theory?

  • ComputerGeek
  • · Replies 2 ·
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2

Graduate Is there a smallest possible time interval?

  • Mattara
  • · Replies 6 ·
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6

Graduate Seeking Quantum Well Knowledge: Who Can Assist?

  • wlzy
  • · Replies 4 ·
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4

Graduate Do Photons Emit When Electron's Energy is Measured?

  • Manchot
  • · Replies 3 ·
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3

Graduate Split off from EPR paradox revisited

  • ttn
  • · Replies 11 ·
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11

Graduate One-particle Dirac and KG equations

  • Palindrom
  • · Replies 1 ·
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1

Graduate P orbital, π bond, and lots of questions

  • Dr. Nick
  • · Replies 1 ·
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1

Graduate Reason why the chair can support me

  • pivoxa15
  • · Replies 60 ·
3
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60

Undergrad Interference with short and Long path?

  • QuantumUnbound
  • · Replies 1 ·
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1

Graduate Why does the Stern-Gerlach experiment give 2s+1 values?

  • alfredblase
  • · Replies 4 ·
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4

Graduate Quantum physics movie - What the *$@ are we thinking? And upcoming movie

  • QuantumTheory
  • · Replies 41 ·
2
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41

Graduate The Absorption of Photons by Free Electrons

  • Amith2006
  • · Replies 2 ·
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2

Graduate LC oscillator - is it quantised?

  • Confused2
  • · Replies 4 ·
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4

Graduate Green function for bilocal operatos?

  • Neitrino
  • · Replies 1 ·
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1

Graduate Why is the classical atom unstable?

  • arcnets
  • · Replies 8 ·
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8

Graduate Regarding human influence and Heisenberg

  • LoonBoon
  • · Replies 5 ·
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5

Undergrad Photon Detectors: How Do They Work?

  • Sumo
  • · Replies 1 ·
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1

Graduate Layman's Question on Quantum Mechanics

  • quantumcarl
  • · Replies 96 ·
4
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96

Graduate Do Photons from the Sun Travel to Earth Uninterrupted?

  • jhe1984
  • · Replies 15 ·
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15

Undergrad Does Heisenberg's uncertainty principle apply to all matter?

  • En_lizard
  • · Replies 5 ·
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5

Graduate Can Slow Glass or Optical Black Holes Be Used for Storing Photons?

  • Seckin Sefi
  • · Replies 6 ·
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6

Graduate How Do Charges Interact Through Photon Exchange?

  • EroticNirvana
  • · Replies 1 ·
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1

Undergrad Double-Slit Experiment and Interference

  • magickingdl
  • · Replies 6 ·
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6

Graduate Can Signals Be Transmitted Faster Than Light Using Quantum Entanglement?

  • Dr. RMC
  • · Replies 32 ·
2
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32

Graduate The Deuterium Nucleus Spin Question

  • TriTertButoxy
  • · Replies 1 ·
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1

Undergrad Understanding E/M Waves and Frequency Changes in Different Mediums

  • dervast
  • · Replies 2 ·
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2

Graduate Understanding Entanglement: The Impact of Magnetic Fields

  • fargoth
  • · Replies 4 ·
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4

Graduate Is quantum indeterminacy a result of experiment design?

  • gstafleu
  • · Replies 42 ·
2
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42

Graduate How to Measure Probabilities for Observables in Quantum Mechanics?

  • Palindrom
  • · Replies 26 ·
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26

Graduate Can an electron determine which hole it travels through before arrival?

  • ninki
  • · Replies 23 ·
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23

Graduate Heat Capacity of Solid Material: Plank's Constant Implications

  • Kouros Khamoushi
  • · Replies 1 ·
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1

Graduate Good paper(s) on Bell's theorem

  • Edgardo
  • · Replies 4 ·
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4