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.
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Graduate 'Information' in Quantum Physics
- Gerinski
- · Replies 4 ·
Graduate Why does xenon exhibit more spectral lines than heavier elements like mercury?
- Goodver
- · Replies 1 ·
Graduate Wavefunctions of Singlet and Triplet States
- fayled
- · Replies 4 ·
Graduate Calculation of proton's lifetime
- aylakadamk
- · Replies 12 ·
Graduate Hamiltonian for a free electron in electromagnetic field
- athosanian
- · Replies 4 ·
Graduate Quantum harmonic oscillators DE wavefunction
- moriheru
- · Replies 2 ·
Graduate Interpretation of a before $\gamma^{5}$ in J$_{\alpha}$
- LupusLupus
- · Replies 2 ·
Graduate Equation used to find kinetic energy of proton
- darksyesider
- · Replies 6 ·
Graduate Feynman rules for Yukawa theory
- lefebvre
- · Replies 3 ·
Graduate Set of postulates implies postulates of Q.M.?
- Spinnor
- · Replies 4 ·
Graduate Quantum Computing Explained in 10 Sentences
- ChristaSian
- · Replies 1 ·
Graduate Why electron doesn't fall on proton, quantum explanation
- Tahmeed
- · Replies 4 ·
Graduate Can Quarks Break the Strong Nuclear Force?
- Noaholter
- · Replies 1 ·
Graduate Finding Wavefunction with just the Hamiltonian
- metapuff
- · Replies 1 ·
Graduate The Optical Theorem (Total cross section?)
- Xyius
- · Replies 3 ·
Graduate Understanding Recoil in Photon Emission and the Role of Quantum Electrodynamics
- Danyon
- · Replies 3 ·
Graduate How should I understand quantum entanglement?
- Rodrigo Cesar
- · Replies 63 ·
Graduate Can Szego Projectors Be Interpreted as POVM in von Neumann Density Context?
- Ssnow
- · Replies 2 ·
Graduate Holographic Universe. 2D Universe = Matrix?
- Kaktus
- · Replies 8 ·
Graduate Mediating particles of forces.
- marcgrissz
- · Replies 1 ·
Graduate Help publishing personal quantum physics theories
- marcgrissz
- · Replies 4 ·
Graduate Wick theorem in "QFT for the Gifted Amateur"
- Demystifier
- · Replies 5 ·
Graduate Descriptions of time evolution: closed vs open systems
- TrickyDicky
- · Replies 2 ·
Graduate Interference on paper, ground glass etc. surfaces
- Swamp Thing
- · Replies 3 ·
Graduate Energy-time uncertainty principle
- beda
- · Replies 5 ·
Graduate Emitting two photons in a single transition?
- bcrowell
- · Replies 6 ·
Graduate Conditions for interaction in the quantum world
- jimmylegss
- · Replies 1 ·
Graduate Quantum Reality: Evidence for Everything Happening Simultaneously
- Rajkovic
- · Replies 2 ·
Graduate Kochen-Specker Theorem Assumptions
- msumm21
- · Replies 12 ·
Graduate Quantum Fourier transform
- jimmycricket
- · Replies 1 ·
Graduate Bose and Fermi statistics in 1+1 spacetime?
- Spinnor
- · Replies 2 ·
Insights Renormalisation Made Easy - Comments
- bhobba
- · Replies 24 ·
Graduate How does vacuum polarization conserve energy?
- bolognie1
- · Replies 1 ·
Graduate Is the Wave Function of a Photon the Same as a Classical Wave?
- athosanian
- · Replies 24 ·
Graduate Relation between adiabatic approximation and imaginary time
- taishizhiqiu
- · Replies 4 ·
Graduate How are individual photons and electrons detected in the double slit experiment?
- Buckethead
- · Replies 11 ·
Graduate Quantum Mechanics and Hanbury Brown and Twiss Effect: Measuring Star Diameters
- mapsread
- · Replies 2 ·
Graduate Hubbard Stratonovich transformation
- aaaa202
- · Replies 1 ·
Graduate Greens functions from path integral
- aaaa202
- · Replies 2 ·
Undergrad Why does Bohr's model give correct hydrogen energy levels despite being wrong?
- greypilgrim
- · Replies 10 ·
Graduate Solution of equation for decaying real scalar field
- karlzr
- · Replies 17 ·
Graduate Fluctuation operator and partial wave
- spaghetti3451
- · Replies 1 ·
Graduate Double slit over time, single slit in moment
- sgphysics
- · Replies 3 ·
Graduate Interaction - Fundamental question
- Omega0
- · Replies 7 ·
Graduate Greens function path integral representation
- aaaa202
- · Replies 1 ·
Graduate Does position of the eraser change the pattern in quantum erasure?
- Ruven
- · Replies 2 ·
Graduate What does a local non-realistic theory look like?
- greypilgrim
- · Replies 69 ·
Graduate Density of states in 2 dimensional box
- hideelo
- · Replies 3 ·
Graduate Boundary conditions of the radial Schrodinger equation
- spaghetti3451
- · Replies 1 ·
Graduate Can photon entanglement violate special relativity in different frames?
- LsT
- · Replies 16 ·
Graduate Expectation value of c†ₖcₗ for k ≠ l in fermionic ground state
- metapuff
- · Replies 4 ·
Graduate Does an object exist if it's shielded from the universe?
- KendallAngel
- · Replies 2 ·
Graduate Why are all particles bosons or fermions?
- deblimp
- · Replies 17 ·
Graduate Is Gravity a Force or a Deformation of Space?
- tonyxon22
- · Replies 22 ·
Graduate Photon as a Mathematical Concept in Theoretical Physics
- athosanian
- · Replies 1 ·
Graduate Why Use the Dirac Equation for Graphene Instead of the Schrödinger Equation?
- jamie.j1989
- · Replies 2 ·
Graduate Single Slit Experiment: Details & Equations
- JordanGo
- · Replies 8 ·
Graduate Is Quantum Mechanics Evidence for a Holographic Reality?
- KendallAngel
- · Replies 2 ·
Graduate Bell theorem without hypotheses?
- jk22
- · Replies 1 ·
Graduate Are photon probability amplitudes entangled in a two-filter setup?
- zonde
- · Replies 3 ·
Graduate What classical theory predicts stopping potential increases with intensity?
- bcrowell
- · Replies 9 ·
Graduate Do creation operators for different spins commute?
- metapuff
- · Replies 2 ·
Graduate About time symmetry in quantum physics
- TrickyDicky
- · Replies 13 ·
Undergrad Can the future affect the past in quantum mechanics?
- member 529879
- · Replies 21 ·
Graduate Gauge transformation which counteract wave function
- exponent137
- · Replies 8 ·
Insights Visualizing the 2-D Particle in a Box - comments
- kreil
- · Replies 11 ·
Graduate The Wick rotation in position space
- Quantioner
- · Replies 1 ·
Graduate Help with Density Operators: Peter Yu Seeks Assistance
- Peter Yu
- · Replies 9 ·
Graduate Eigenstates in a 3-state spin 1 system
- dyn
- · Replies 5 ·
Graduate How Does the Inverse Bell Theorem Challenge Quantum Measurement Predictions?
- jk22
- · Replies 2 ·
Graduate Proving Coherent States are Eigenfunctions of Annihilation Operators
- aaaa202
- · Replies 1 ·
Graduate Equivalence between Weyl relations and CCR
- TrickyDicky
- · Replies 31 ·
Graduate The free particle wave function <x|p>?
- Xyius
- · Replies 2 ·
Graduate Is Multi-Particle Entanglement Possible in Quantum Systems?
- lucas_
- · Replies 19 ·
Graduate Finding the maxima or minima of band-edges?
- LaVela
- · Replies 1 ·
Graduate Why does photon behavior in Feynman's QED seem like a wave function?
- exponent137
- · Replies 10 ·
Graduate How Does Unitarity Conserve Information?
- anorlunda
- · Replies 12 ·
Undergrad Why is it called the ultraviolet catastrophe?
- genefalk
- · Replies 3 ·
Graduate Trying to understand electromagnetic waves in quantum theory
- monesh
- · Replies 74 ·
Graduate How Does the Wavefunction Propagate for Infinitesimal Times?
- Dr.Maurice
- · Replies 2 ·
Graduate Light is faster than the speed of light
- the_pulp
- · Replies 4 ·
Graduate How does energy transfer work in the photoelectric effect?
- SoPM
- · Replies 5 ·
Graduate How do I know if some objects represent the Lorentz Group?
- Spinnor
- · Replies 10 ·
Graduate Complementarity in Physics and Biology
- dx
- · Replies 21 ·
Graduate New experimental proof of wave-function collapse?
- gxu
- · Replies 97 ·
Graduate Legendre Transformation of Lagrangian density ?
- DOTDO
- · Replies 2 ·
Graduate How Does Pilot Wave Theory Address Spontaneous Particle Transitions?
- asimov42
- · Replies 4 ·
Graduate Relation between phase space and path integral formulation?
- Matta Tanning
- · Replies 12 ·
Graduate Arithmetic mean Fermi Dirac & Bose Einstein
- Frank Einstein
- · Replies 4 ·
Graduate Compton effect and photoelectric effect
- ashraf amir
- · Replies 2 ·
Graduate Converting Bohr magneton units from SI to MeV/Gauss
- Frank Einstein
- · Replies 2 ·
Graduate Triplets/Singlets and applying lowering S operator
- gfd43tg
- · Replies 5 ·
Graduate Average values of operators of potential and kinetic energy
- LagrangeEuler
- · Replies 7 ·
Graduate Norm of a vector related to coherent states
- JorisL
- · Replies 2 ·
Graduate Lagrange and Hamiltonian formulations
- amjad-sh
- · Replies 1 ·
Graduate Efficiency of CNOT Gates in Quantum Circuit Design
- jimmycricket
- · Replies 1 ·
Graduate Understanding E/t uncertainty and ##\vec{L}## uncertainty
- davidbenari
- · Replies 4 ·
Graduate Black body re-emission of incident radiation
- Julianotcp
- · Replies 4 ·
Graduate How do I write taylor expansion as exponential function?
- dwellexity
- · Replies 1 ·
Graduate Heisenberg's Microscope Derive Exactly Uncertainty Principle
- JordanGo
- · Replies 4 ·