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

Solutions for Reducing Mass: What's Possible

  • darklyzhadowed
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Graduate Two concepts about quantum electrodynamics and quantum field theory

  • guo_xiaobo
  • · Replies 16 ·
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16

Graduate Why are E/B fields of photon in-phase?

  • Rhizomorph
  • · Replies 46 ·
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Graduate Want Proof that Photons have EM Properties

  • what_are_electrons
  • · Replies 14 ·
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14

Graduate Momentum space and position space

  • Sammywu
  • · Replies 7 ·
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7

Graduate Self-adjoint/hermitean operator vs observables

  • humanino
  • · Replies 26 ·
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26

Undergrad Fourier series problem from quantum physics exam

  • robgb
  • · Replies 2 ·
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2

Undergrad Uncertainty Principle in Physics: Eng. Phys II

  • woodysooner
  • · Replies 28 ·
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28

Graduate Is Angular Momentum Truly Quantized in Quantum Mechanics?

  • cepheid
  • · Replies 2 ·
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Graduate Double slits and virtual photons

  • Bariyon
  • · Replies 7 ·
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7

Graduate New here: on Fourier transform of wave-function

  • spex
  • · Replies 5 ·
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5

High School What is superfluidity/superconductivity?

  • Nenad
  • · Replies 12 ·
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12

Graduate Can the path integral method explain the spreading of wave packets over time?

  • kurious
  • · Replies 10 ·
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10

Graduate Particle Nature of Light versus Compton Scattering Effect

  • what_are_electrons
  • · Replies 3 ·
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3

Graduate Why doesn't the wavefunction collapse when passing through the slits?

  • meteor
  • · Replies 14 ·
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14

Graduate Why do electrons have angular momentum if they also behave as waves?

  • gravenewworld
  • · Replies 9 ·
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Graduate Incompleteness and Uncertainty

  • fruitfly
  • · Replies 4 ·
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3

High School Quantum Brain Teazer: See Yourself in Rear View Mirror?

  • Lankyman
  • · Replies 2 ·
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2

Graduate Overlapping Quantum Theory & Relativity

  • Gerinski
  • · Replies 6 ·
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6

Graduate Explain Algorithmic Cooling: "Redemption Ark" by Alastair Reynolds

  • donkeyhide
  • · Replies 2 ·
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Graduate What is the Polyakov loop and Ward identity in QFT?

  • marlon
  • · Replies 5 ·
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5

Graduate Why is the inner product conjugate symmetric?

  • somy
  • · Replies 4 ·
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4

High School What holds the nucleus together?

  • Ezekiel.
  • · Replies 11 ·
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11

Graduate How many neutrinos are there in a cubic in inch?

  • Ezekiel.
  • · Replies 3 ·
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3

Undergrad QM light experiements at home.

  • Glenn
  • · Replies 8 ·
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8

Graduate Quantum Tunneling and atomic spectra.

  • misogynisticfeminist
  • · Replies 2 ·
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2

Graduate Why is the Electromagnetic Field Tensor in the QED Lagrangian?

  • evac-q8r
  • · Replies 5 ·
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5

Graduate What Are David Bohm's Hidden Variables in Quantum Metaphysics?

  • haroldjrbw
  • · Replies 2 ·
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2

Graduate Raindrop - tear drop or inner tube

  • woodysooner
  • · Replies 15 ·
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15

Graduate What is VoDou Physics and how does it relate to the manyworlds theory?

  • emortis9
  • · Replies 2 ·
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2

Graduate Is Quantum Mechanics Fundamentally Indeterminate?

  • yesicanread
  • · Replies 5 ·
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5

Graduate Do Virtual Particle Pairs Radiate Energy as Gamma Rays or Repay Borrowed Energy?

  • alpha_wolf
  • · Replies 2 ·
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2

High School What is the Historical Development of the Wave Model of Light?

  • almohandes
  • · Replies 14 ·
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14

Graduate Does light from the nearest star reach us as quickly as light from the farthest galaxy?

  • Jim Beam
  • · Replies 2 ·
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2

Graduate Understanding Direct Product States in Linear Algebra

  • homology
  • · Replies 3 ·
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3

Graduate Rank 2 and rank 1 field theories

  • kurious
  • · Replies 4 ·
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4

Graduate Gravity: Warped Space-Time or Graviton?

  • Jim Beam
  • · Replies 4 ·
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4

Undergrad Build Your Own Cloud Chamber for Particle Detection

  • amwatsonbadia
  • · Replies 7 ·
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7

Graduate This is for the QFT-specialists

  • marlon
  • · Replies 4 ·
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4

Graduate Effective Potential: Krammer, Coulomb, Approximation Questions

  • hiphys
  • · Replies 2 ·
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2

Graduate Potential barriers, wavepackets, probabilities etc.

  • speeding electron
  • · Replies 10 ·
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10

Undergrad Left/right handed electrons - what's the difference?

  • Rhizomorph
  • · Replies 3 ·
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3

Graduate Trapping a Single Photon: Is it Possible?

  • Hyperreality
  • · Replies 2 ·
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2

Graduate Quantum Phase Compactification via Spacetime Expansion

  • PFanalog57
  • · Replies 5 ·
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5

Graduate Relativity: Is Faster Light Travel Possible?

  • Jim Beam
  • · Replies 4 ·
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4

Graduate A question in solving schrodinger's equation

  • somy
  • · Replies 11 ·
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11

Graduate How Does Electron Size Impact Covariance in Quantum Field Theory?

  • kurious
  • · Replies 6 ·
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6

Graduate Can the Uncertainty Principle be Applied to Nuclear Physics?

  • misogynisticfeminist
  • · Replies 2 ·
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Graduate Can electrons occupy the same quantum state in vacuum as in solids?

  • shchr
  • · Replies 29 ·
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Who said a computer cannot model itself perfectly?

  • Moonrat
  • · Replies 2 ·
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Graduate Interpritations of Quantum Mechanics

  • Alem2000
  • · Replies 40 ·
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Graduate Singularity prevented by repulsive force?

  • kurious
  • · Replies 6 ·
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6

Undergrad Beginner-intermediate quantum physics books with minimal math

  • s4syth
  • · Replies 2 ·
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2

High School Suggestions on any good Niels Bohr sites

  • terpsgirl
  • · Replies 2 ·
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2

Graduate Designing An Electron Beam Gun for Two-Slits Experiment

  • masonstjon
  • · Replies 4 ·
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Graduate Pullin: most accurate clock possible

  • marcus
  • · Replies 18 ·
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18

Graduate Pauli Matrices and orthogonal projections

  • clumsy9irl
  • · Replies 5 ·
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5

Graduate Can we truly understand the interaction between gravity and light?

  • kernelpenguin
  • · Replies 5 ·
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5

Graduate Limited study of QM and all I know of operators

  • theFuture
  • · Replies 5 ·
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5

Graduate How Does Nonlocality Impact Macroscopic Systems Like Human Consciousness?

  • bladerunner
  • · Replies 2 ·
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2

Graduate The Quantum Measurement Problem and Decoherence

  • Glenn
  • · Replies 5 ·
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5

Graduate Uncertainty in QM: Nature or Measurement?

  • Vast
  • · Replies 22 ·
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22

Graduate Alternative mechanisms for spontaneous symmetry breaking beyond the Higgs mechanism

  • touqra
  • · Replies 2 ·
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2

Graduate Why are position and momentum eigenfunctions not normalizable?

  • homology
  • · Replies 16 ·
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16

Graduate Can incompatible observables share some eigenfunctions?

  • kakarukeys
  • · Replies 2 ·
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2

Graduate What Major Should You Choose for a Career in Quantum Computing Research?

  • Maxwell
  • · Replies 2 ·
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Graduate Why can't QM just be built on a model of statespace over a background timespacespace

  • Sammywu
  • · Replies 9 ·
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9

Graduate What is the significance of the Dirac Sea in modern quantum theory?

  • sol2
  • · Replies 2 ·
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2

Graduate Is There Energy in the Structure of Space-Time?

  • misanthropist
  • · Replies 2 ·
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2

Graduate What is the significance of U Symmetry in physics?

  • taylordnz
  • · Replies 2 ·
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2

Graduate Unraveling the Mystery of Interference in the Double Slit Experiment

  • mee
  • · Replies 13 ·
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13

Graduate Is the direction of a photon's momentum uncertain when emitted from an atom?

  • speeding electron
  • · Replies 2 ·
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2

Graduate The mathematics of measurement?

  • homology
  • · Replies 6 ·
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6

Graduate How Does Basis Choice Affect the Hermiticity of Operators in Polynomial Spaces?

  • homology
  • · Replies 12 ·
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12

Graduate What is the significance of various angles in NMR?

  • jrt101
  • · Replies 7 ·
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7

Graduate And while I'm at it: eigenfunction of position

  • homology
  • · Replies 9 ·
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9

Graduate How does Quantum Physics support the idea of a Resurrected Body?

  • haroldjrbw
  • · Replies 3 ·
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3

Graduate Can Identical Quantum Particles Have Different Energies?

  • touqra
  • · Replies 2 ·
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2

Undergrad Understanding Wave Nature of light

  • nymph
  • · Replies 4 ·
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4

Graduate Quantum gravity force violations

  • touqra
  • · Replies 4 ·
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4

Graduate Symmetry Breaking: How Does It Occur?

  • touqra
  • · Replies 11 ·
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11

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

  • touqra
  • · Replies 2 ·
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2

Graduate Lightspeed Travel: Is It Possible?

  • Reflector
  • · Replies 2 ·
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2

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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3

Graduate Searching for Gauge Symmetries and Their Application in Physics

  • vortex
  • · Replies 4 ·
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4

Graduate Spherically Symmetric Potentials

  • Galileo
  • · Replies 10 ·
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10

Graduate What Determines the Speed of Light in QED?

  • techwonder
  • · Replies 25 ·
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25

Graduate Wave Equation for the Helium Atom/No of terms = 2 or 3?

  • maverick280857
  • · Replies 6 ·
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6

Undergrad Chemistry's role in a career in particle physics

  • Chemical_Penguin
  • · Replies 4 ·
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4

Graduate How are the electromagnetic and weak forces unified in particle accelerators?

  • Ductaper
  • · Replies 26 ·
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26

Graduate Why does the inner product have dimensions of length in quantum mechanics?

  • alexepascual
  • · Replies 44 ·
2
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44

Graduate What is the physical interpretation of orthogonal eigenfunctions?

  • ce124
  • · Replies 5 ·
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5

Graduate QM Text Recommendation: R. Shankar's "QM" Text

  • graphic7
  • · Replies 2 ·
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2

Graduate Hamiltonian is commutable with momentum operator

  • eigenpost53
  • · Replies 5 ·
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5

Graduate What is the minimum energy a graviton can have?

  • kurious
  • · Replies 4 ·
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4