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 Plane wave limit of Gaussian packet

  • RedX
  • · Replies 2 ·
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Graduate Understanding Energy Corrections in a Perturbed Square Well Potential

  • JohanL
  • · Replies 8 ·
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8

Graduate How Did Heisenberg Develop the Uncertainty Principle and Matrix Mechanics?

  • greatscott
  • · Replies 2 ·
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Graduate Feynman's radio communication analogy for parity and charge conjugation

  • Eye_in_the_Sky
  • · Replies 6 ·
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6

Graduate Is Electron Mass Linked to the Coupling Constant in Quantum Field Theory?

  • Rothiemurchus
  • · Replies 4 ·
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4

Graduate 0th dimension and other dimensions

  • no gun
  • · Replies 3 ·
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3

Graduate Quantum Entanglement for nonphysicists

  • Ghidrah
  • · Replies 13 ·
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13

Graduate What is the Physical Significance of Various Wave Functions?

  • mykel_dg
  • · Replies 3 ·
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3

Graduate Could a 1/r Force Explain the Pauli Exclusion Principle?

  • Rothiemurchus
  • · Replies 7 ·
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7

Graduate Why Do We Expect Proton Decay in Particle Physics?

  • Gonzolo
  • · Replies 2 ·
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2

Graduate Designing a mass spectrometer for relativistic electrons at 0.998c

  • evelyncanarvon
  • · Replies 2 ·
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2

Graduate Can Spin Transformations Link Gravity and Electromagnetism?

  • Rothiemurchus
  • · Replies 7 ·
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7

Graduate Is interaction first or field?

  • einstein_vishnu
  • · Replies 3 ·
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3

Graduate Can protons emit-absorb virtual photons?

  • what_are_electrons
  • · Replies 2 ·
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2

Graduate Energy eigenvalues for a particle in a 2D box and reflection from a barrier

  • Franco
  • · Replies 4 ·
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4

Graduate Wave packet propagation and dispersion relation

  • tornpie
  • · Replies 5 ·
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5

Graduate Does nonlocality violate relativity and does opening a port collapse the wavefunction?

  • misogynisticfeminist
  • · Replies 2 ·
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2

Undergrad Why Does Reshuffling a Deck Reset Card Counting Probabilities?

  • billy_boy_999
  • · Replies 3 ·
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3

Undergrad How Can We Prove Light is a Particle Instead of a Wave?

  • Madfrog
  • · Replies 17 ·
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17

Graduate What counts as a measurement in quantum mechanics?

  • EL
  • · Replies 10 ·
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10

Graduate Are Photons Always Wave Packets or Can They Be Plane Waves?

  • touqra
  • · Replies 4 ·
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4

Graduate Is it possible to complete QuantumTheory by Hidden Variables?

  • cartuz
  • · Replies 17 ·
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17

Graduate What Explains Action at a Distance in Quantum Physics?

  • alf
  • · Replies 6 ·
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6

Graduate Pion creation, beta decay and electron orbital transitions

  • Tom McCurdy
  • · Replies 1 ·
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1

Graduate Gravity's Effect on Electric Charges in a Gravitational Field

  • Rothiemurchus
  • · Replies 4 ·
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4

Graduate What Are the Possibilities and Limitations of Matter Beams?

  • Gonzolo
  • · Replies 6 ·
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6

Graduate De brolgie and noumenal telecommunications

  • mish3
  • · Replies 6 ·
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6

Graduate What Math Do I Need to Know for Quantum Mechanics?

  • JasonRox
  • · Replies 8 ·
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8

Graduate Michelson-Morley fringe shift and invariants between reference frames

  • relativemuon
  • · Replies 2 ·
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2

Graduate Neurinos are massless paricles

  • colinr
  • · Replies 5 ·
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5

Graduate How do we know hydrogen absorption frequencies equal emission frequencies?

  • Dlockwood
  • · Replies 8 ·
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8

Graduate Is wavefunction collapse limited by the speed of light?

  • Loren Booda
  • · Replies 2 ·
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2

Graduate Schrodinger Wave Function Question

  • Ed Quanta
  • · Replies 6 ·
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6

Graduate What wave structures correspond to real state functions in quantum physics?

  • Ed Quanta
  • · Replies 5 ·
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5

Graduate Hendrik van Hees's online QFT course using Zee's textbook

  • vanesch
  • · Replies 10 ·
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10

Graduate Are Photons Responsible for Preventing Atomic Collapse?

  • neoweb
  • · Replies 12 ·
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12

Graduate What is the Colour of Virtual photons?

  • poolwin2001
  • · Replies 14 ·
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14

Undergrad About bose-Einstein condensate

  • Jim Beam
  • · Replies 4 ·
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4

Graduate How Can Quarks Have Mass Without Physical Extensions?

  • Jim Beam
  • · Replies 5 ·
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5

Graduate Why do relativity and quantum mechanics seem contradictory?

  • Tianwei
  • · Replies 7 ·
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7

Graduate Can Spin 2 Bosons Explain Particle Masses and Dark Energy?

  • kurious
  • · Replies 2 ·
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2

Graduate Is Bohm's Pilot Wave Theory a Viable Alternative to Standard Quantum Mechanics?

  • kurious
  • · Replies 2 ·
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2

Graduate Can quantum length be derived not using gravity constant?

  • Antonio Lao
  • · Replies 9 ·
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9

Graduate What Defines a Massless Particle Like a Photon?

  • hexrd
  • · Replies 4 ·
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4
  • Poll Poll

Is the observer truly separate from the observed?

  • energyflash
  • · Replies 4 ·
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4

Graduate Does the electric force in a hydrogen atom behave like an electromagnetic wave?

  • colinr
  • · Replies 5 ·
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5

Graduate Is Boltzman's Constant related to the Fine Structure Constant?

  • what_are_electrons
  • · Replies 6 ·
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6

Graduate Can Changing Gluon Spin to 1/2 Make the Color Force Repulsive?

  • kurious
  • · Replies 8 ·
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Graduate A question about Hawking's path integral methods

  • Fredrik
  • · Replies 4 ·
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4

Graduate Could Fast-Moving Particles and Dark Energy Influence Electron Behavior?

  • kurious
  • · Replies 20 ·
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20

Graduate Can Neutron Beams Reveal Decoherence in C60 Buckyballs?

  • kurious
  • · Replies 2 ·
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2

High School Electron Energy in Atoms: What is it?

  • darkar
  • · Replies 7 ·
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7

Graduate Is it possible to make the quantum coherent?

  • misogynisticfeminist
  • · Replies 2 ·
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2

Graduate Learning about Bessel functions for the 3D Schrödinger equation

  • somy
  • · Replies 2 ·
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2

Undergrad How does the CNOT gate work and what is its truth table?

  • Mk
  • · Replies 6 ·
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6

Graduate Deterministic systems and disproving the schrodinger's cat theory

  • DoctorMO
  • · Replies 8 ·
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8

Graduate How does non-abelian gauge symmetry affect quark interactions?

  • kurious
  • · Replies 3 ·
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3

Graduate Maximum # of mutually orthonormal eigenvectors

  • RedX
  • · Replies 11 ·
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11

Undergrad What happens to energy overcoming the work function in the photoelectric effect?

  • Cheman
  • · Replies 4 ·
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4

Graduate Eigenvalues of total angular momentum

  • stefano
  • · Replies 5 ·
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5

Graduate ZPE, Dark energy and Dark Matter

  • malthis
  • · Replies 5 ·
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5

Graduate Is the Uncertainty Principle simply a measurement problem?

  • cronxeh
  • · Replies 2 ·
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2

Graduate Very difficult problem for you

  • stefano
  • · Replies 2 ·
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2

Graduate What Lies Beyond Wave Particle Duality in Quantum Mechanics?

  • da_willem
  • · Replies 3 ·
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Graduate Decoherence for dummies and experts

  • kurious
  • · Replies 9 ·
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9

Graduate Interacting virtual particles?

  • Marjan
  • · Replies 7 ·
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7

Graduate Online solutions for Griffiths Introduction to Quantum Mechanics

  • robousy
  • · Replies 2 ·
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2

Graduate What is the difference between an operator and a function?

  • poolwin2001
  • · Replies 12 ·
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12

Graduate Does electron have real physical mass?

  • kichigai
  • · Replies 11 ·
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11

Graduate Negative energy density in a Casimir vacuum

  • hellfire
  • · Replies 18 ·
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18

Graduate Superconductivity - Cooper Pair

  • what_are_electrons
  • · Replies 15 ·
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15

Graduate Quantum Teleportation across the Danube Demonstrated

  • Skunkmere
  • · Replies 12 ·
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12

Undergrad Why is Electric Charge Quantized?

  • marlon
  • · Replies 5 ·
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5

Graduate Operator representation of p in x basis.

  • qubits
  • · Replies 2 ·
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2

Graduate Can the Higgs theory predict all particle masses?

  • kurious
  • · Replies 14 ·
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14

Graduate Teleportation goes long distance

  • Ivan Seeking
  • · Replies 2 ·
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2

Graduate Quantum Mechanics Lecture Videos

  • Farhan
  • · Replies 2 ·
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2

Graduate What are hidden variables and the significance of Bell's Theorem?

  • Ed Quanta
  • · Replies 2 ·
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2

Graduate How can uncaused quantum events follow predictable probability distributions?

  • mercmisfire
  • · Replies 4 ·
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4

Graduate Quantum mechanics textbooks comparable to Rudin for analysis

  • tornpie
  • · Replies 43 ·
2
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43

Graduate Addition of three angular momentum

  • stefano
  • · Replies 4 ·
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4

Graduate Did Hawking Solve the Black Hole Information Paradox?

  • Xenorelic
  • · Replies 8 ·
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8

Graduate Are QM and SR completely compatible?

  • Gonzolo
  • · Replies 4 ·
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4

Graduate Electron Proton Scattering vs Tunneling

  • what_are_electrons
  • · Replies 2 ·
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2

Graduate Does an individual photon have a frequency, and if so, what is it doing?

  • zoobyshoe
  • · Replies 21 ·
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21

Undergrad Does refraction involve photon absorption and emission?

  • what_are_electrons
  • · Replies 18 ·
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18

Graduate Can a Hydrogen Atom Decay Into a Neutron?

  • jackle
  • · Replies 6 ·
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6

Graduate Could a neutrino telescope observe the universe 1 second after the Big Bang?

  • jackpot337
  • · Replies 15 ·
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15

Undergrad What is the velocity of an electron accelerated through 50V?

  • Physics_Student
  • · Replies 6 ·
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6

Graduate Is the cat in Schrodinger's thought experiment actually significant?

  • SeManTics
  • · Replies 15 ·
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15

Graduate Simplifying Continuity Condition in Delta Potential

  • cepheid
  • · Replies 7 ·
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7

Graduate Is Teleportation Scientifically Possible?

  • Whitestar
  • · Replies 29 ·
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29

Graduate What are the implications of M=E<C on electron behavior and photon emission?

  • Dlockwood
  • · Replies 4 ·
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4

Graduate Young's double slit experiment and the uncertainty principle

  • Terry Giblin
  • · Replies 27 ·
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27

Graduate What happens to a bound electron when

  • Gonzolo
  • · Replies 18 ·
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18

Graduate Debate with regards to time and FTL travel

  • StealthC
  • · Replies 2 ·
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2

Graduate How does quantum tunneling work?

  • Reshma
  • · Replies 7 ·
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7

Graduate QFT Textbook Recommendations and Discussion

  • vanesch
  • · Replies 5 ·
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5

Graduate What do Wilson loops and spin networks mean physically?

  • marlon
  • · Replies 5 ·
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5

Graduate What makes an interaction a measurement in quantum mechanics?

  • da_willem
  • · Replies 8 ·
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8