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 Can Symmetry Breaking on a Banquet Table Explain Bose States in Lasers?

  • touqra
  • · Replies 2 ·
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Graduate Lightspeed Travel: Is It Possible?

  • Reflector
  • · Replies 2 ·
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Graduate Quantum Fields as having infinite degrees of freedom?

  • evac-q8r
  • · Replies 3 ·
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3

Undergrad Are operators always commutative with respect to operation +?

  • kakarukeys
  • · Replies 6 ·
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6

Graduate How to produce a fermionic condensate experimentally

  • irisneo
  • · Replies 3 ·
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Graduate Searching for Gauge Symmetries and Their Application in Physics

  • vortex
  • · Replies 4 ·
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Graduate Spherically Symmetric Potentials

  • Galileo
  • · Replies 10 ·
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Graduate What Determines the Speed of Light in QED?

  • techwonder
  • · Replies 25 ·
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Graduate Wave Equation for the Helium Atom/No of terms = 2 or 3?

  • maverick280857
  • · Replies 6 ·
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Undergrad Chemistry's role in a career in particle physics

  • Chemical_Penguin
  • · Replies 4 ·
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Graduate How are the electromagnetic and weak forces unified in particle accelerators?

  • Ductaper
  • · Replies 26 ·
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Graduate Why does the inner product have dimensions of length in quantum mechanics?

  • alexepascual
  • · Replies 44 ·
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Graduate What is the physical interpretation of orthogonal eigenfunctions?

  • ce124
  • · Replies 5 ·
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Graduate QM Text Recommendation: R. Shankar's "QM" Text

  • graphic7
  • · Replies 2 ·
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Graduate Hamiltonian is commutable with momentum operator

  • eigenpost53
  • · Replies 5 ·
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Graduate What is the minimum energy a graviton can have?

  • kurious
  • · Replies 4 ·
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Graduate How Do Photons Relate to Quantum Mechanics and the Uncertainty Principle?

  • jack47
  • · Replies 16 ·
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Quantum computing discussion thread

  • somy
  • · Replies 9 ·
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Graduate Path integral of Richard Feynman

  • Feynman
  • · Replies 3 ·
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3

Graduate Can the Hamiltonian operator be represented as a matrix?

  • member 11137
  • · Replies 24 ·
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Graduate Quantum Level Question: Absorption Freqs of Electrons

  • Dlockwood
  • · Replies 6 ·
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Graduate What interpretations of quantum correlations remain after Bell's inequalities?

  • skowalcz
  • · Replies 8 ·
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8

Graduate Is Griffiths' Statement About the Addition of Angular Momentum Always Correct?

  • Norman
  • · Replies 5 ·
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Graduate Why can't probability waves be real waves like sound waves?

  • billy_boy_999
  • · Replies 14 ·
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Graduate Time dependent transformations

  • tavi_boada
  • · Replies 4 ·
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Graduate Trivial contradiction to the 3rd postulate

  • tavi_boada
  • · Replies 7 ·
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High School Is photosynthesis a form of cold fusion?

  • Rick Sobie
  • · Replies 8 ·
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Graduate Is a Wave in Quantum Mechanics Ever in Freefall?

  • ranyart
  • · Replies 4 ·
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High School What Medical Radioisotopes Do Cyclo and Synchrotrons Produce?

  • cyclosynchrotrons
  • · Replies 2 ·
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Graduate Understanding Perturbation Theory and Symmetry in Quantum Mechanics

  • eigenpost53
  • · Replies 3 ·
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Graduate What is loop quantum gravity?

  • RAD4921
  • · Replies 2 ·
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Graduate Hidden Variables in Quantum Mechanics

  • Silverlancer
  • · Replies 19 ·
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Graduate Can Entangled Particles Enable Instantaneous Communication?

  • iamgore46
  • · Replies 13 ·
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Graduate Quantum Determinacy: Is Subatomic Event Cause Unknown or Uncertain?

  • Darwin
  • · Replies 5 ·
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Graduate Gravitational displacement measurement

  • Ghetalion
  • · Replies 2 ·
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Graduate Can quantum theory explain material elasticity and rigidity?

  • Quntapeng
  • · Replies 2 ·
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Graduate How Does Matter-Energy Duality Explain Electron Behavior?

  • Dlockwood
  • · Replies 1 ·
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Graduate Bell's experiment and causality

  • billy_boy_999
  • · Replies 11 ·
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Artificial rain cloud machine created by Israel scientists

  • Solrojo
  • · Replies 8 ·
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Graduate Where can I find the equations for the strong nuclear force?

  • Reflector
  • · Replies 16 ·
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Graduate Feasibility of spin wave technology for sci-fi power and propulsion

  • don.engel@hines.com
  • · Replies 3 ·
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Graduate 8000 word dissertation on a physics topic

  • BLUE_CHIP
  • · Replies 4 ·
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Graduate Does every possible path = every possible observer?

  • Mike2
  • · Replies 3 ·
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Graduate Everyone Has a Perfect Universe?

  • Tom McCurdy
  • · Replies 7 ·
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How do you pronounce spinors?

  • Tom McCurdy
  • · Replies 2 ·
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Graduate Local operations and classical communication

  • meteor
  • · Replies 2 ·
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Graduate How will a stream of photon (being light) looks like?

  • jby
  • · Replies 8 ·
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Graduate One-dimensional Schrodinger Equation

  • Megus
  • · Replies 8 ·
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Graduate Superstrings and the Laws of Physics

  • Bunting
  • · Replies 3 ·
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Graduate What is the Procrustean method for entanglement distillation?

  • meteor
  • · Replies 3 ·
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Graduate How do parallel universes relate to quantum mechanics outcomes?

  • Alem2000
  • · Replies 2 ·
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Graduate Is There a Disconnect Between Intuition and Mathematics in Quantum Theory?

  • billy_boy_999
  • · Replies 2 ·
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Undergrad The exchange particle for gravity: the graviton?

  • krnlg
  • · Replies 4 ·
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Graduate The Halo and the Non Linear Crystal

  • sol2
  • · Replies 2 ·
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Graduate What is the significance of the commutator in quantum mechanics?

  • alexepascual
  • · Replies 9 ·
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Graduate Raising Operator (Harmonic Oscillator)

  • heardie
  • · Replies 2 ·
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Graduate Deriving the time-independent Schrödinger equation

  • hadi2003
  • · Replies 4 ·
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Graduate How Does the Vector Potential Transform in the Flux-Tube Model for Anyons?

  • ReyChiquito
  • · Replies 5 ·
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Graduate Can Photons interact with Quantum Vacuum Fluctuations?

  • sdf156
  • · Replies 23 ·
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Graduate Why don't hydrogen atoms -> neutron + neutrino?

  • Relain
  • · Replies 16 ·
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High School Single Photon Double Slit Experiment

  • Shommy
  • · Replies 10 ·
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Graduate Questions about Quantum Physics: Advice Needed

  • SeveredNebula223
  • · Replies 8 ·
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Undergrad Double-slit experiment with flashlight and legos not working

  • KingNerd04
  • · Replies 14 ·
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Graduate Application of quantum theories

  • alchemist
  • · Replies 8 ·
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Graduate Meaning of operators for observables.

  • alexepascual
  • · Replies 36 ·
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Graduate Is BB84 Quantum Cryptography Secure Against Eavesdropping?

  • Chen
  • · Replies 18 ·
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Graduate Can a photon be deflected by an electromagnetic field?

  • Orion1
  • · Replies 16 ·
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Graduate What Happens When a Particle Encounters a Step Potential Higher Than Its Energy?

  • heardie
  • · Replies 4 ·
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Graduate Why isn't Fourier analysis of wavefunctions circular?

  • heardie
  • · Replies 3 ·
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Graduate How long can a Wavefunction exist for?

  • Olias
  • · Replies 2 ·
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Graduate Virtual antiparticle pairs at event horizon

  • physicskid
  • · Replies 17 ·
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Graduate Wave function collapse and neural sensory projection

  • SamLuc
  • · Replies 8 ·
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Graduate Quantum Computing and Entanglement

  • Chen
  • · Replies 2 ·
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Graduate Gravitational vs electromagnetic quantum trajectories

  • Loren Booda
  • · Replies 10 ·
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10

Graduate Photoelectric effect with potassium: finding h/e from stopping voltage

  • RicXeoR
  • · Replies 2 ·
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Graduate If light experiences gravitational redshift as said by GR

  • touqra
  • · Replies 4 ·
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4

Graduate Hawking approach to quantizing GR

  • marcus
  • · Replies 4 ·
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4

Graduate Can Quantum Fields Explain the Nature of Particles?

  • Mike2
  • · Replies 8 ·
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8

Graduate Quantum chromodynamics and gravity

  • kurious
  • · Replies 1 ·
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Graduate Do virtual particles violate Conservation of Energy?

  • Hyperreality
  • · Replies 7 ·
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Graduate Does an atom know where a removed neutron is?

  • Imparcticle
  • · Replies 22 ·
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22

Graduate Quantum cryptography with polarised photons and fibre optics

  • Quetzalcoatl
  • · Replies 5 ·
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5

Intergalactic Traveling Methods

  • maximus
  • · Replies 32 ·
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Graduate Strange photoelec. exp. result

  • turin
  • · Replies 6 ·
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6

Graduate Is there a limit to how small we can go?

  • bozo the clown
  • · Replies 3 ·
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Graduate Quantum Mechanics and our Brains

  • Chen
  • · Replies 4 ·
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4

Is 'The Final Theory' just a one-man science fiction fantasy?

  • SeveredNebula223
  • · Replies 14 ·
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Graduate Gravity's Strength in Galaxies: A Quark-Like Explanation?

  • kurious
  • · Replies 2 ·
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Graduate Dark energy vectors scalars higgs field

  • kurious
  • · Replies 2 ·
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Graduate What do atoms really look like?

  • k_snelson
  • · Replies 48 ·
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Graduate Trying to learn QED are my assumptions correct?

  • sharpstones
  • · Replies 2 ·
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2

Graduate Area spectrum in Simplex Gravity

  • marcus
  • · Replies 2 ·
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Graduate Simplistic Definitions of Locality and Nonlocality in Quantum Physics

  • Antonio Lao
  • · Replies 10 ·
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Undergrad How do we measure a photons frequency?

  • Jaguar
  • · Replies 14 ·
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14

Undergrad What is psi function? (newbie)

  • zebbler
  • · Replies 32 ·
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Graduate Entangled particles and black holes

  • kurious
  • · Replies 2 ·
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Graduate Are quarks subparticles?

  • alanveron
  • · Replies 3 ·
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3

Graduate Reconciling QM and GR: Formulating QM in Curved Space-Times

  • Mike2
  • · Replies 3 ·
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3

Undergrad How do paired photons work in quantum encryption?

  • Ahmes
  • · Replies 4 ·
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4

Graduate Question regarding Feymann Diagrams and other QED things

  • sharpstones
  • · Replies 7 ·
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