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 Can a cross product be defined between two Hilbert space vectors?
- DuckAmuck
- · Replies 1 ·
Undergrad How do electrons reach both slits in the double slit experiment?
- tom.mulloy
- · Replies 5 ·
Graduate Criticize diagram of delayed choice quantum eraser
- Strilanc
- · Replies 4 ·
Graduate Oppenheimer's QM lecture notes
- mach4
- · Replies 8 ·
Graduate Slater determinants in Configuration Interaction
- saleheen
- · Replies 1 ·
Graduate Wave-function solution under Galilean transformations
- Happiness
- · Replies 3 ·
Graduate How are particles entangled and what are their properties?
- Neandethal00
- · Replies 8 ·
Undergrad Whats so amazing about the wave equation?
- toesockshoe
- · Replies 1 ·
Graduate Why Does ½ Factor in HF Expectation Value?
- Morten
- · Replies 6 ·
Graduate Electron ejected in Photoelectric effect
- Neutroniclad
- · Replies 27 ·
Undergrad Projective measurement and correlations: examples
- kaje
- · Replies 3 ·
Graduate Non-technical description of "superposition"
- Negatratoron
- · Replies 10 ·
Graduate Wave function at the arrival time of a traveling wave
- Jeremy1986
- · Replies 3 ·
Graduate How is the uncertainty relation preserved in this experiment
- weezy
- · Replies 6 ·
Graduate Are there limitations to a particle's possibilities in superposition?
- J-eastwood
- · Replies 1 ·
Graduate Understanding Two-Qubit States: The Bell States
- aaaa202
- · Replies 1 ·
Graduate Copenhagen interpretation and counterfactual definiteness in entanglement
- physics192
- · Replies 2 ·
Graduate Delayed Choice Compatibly with Pilot Wave?
- physicshelp11
- · Replies 3 ·
Graduate Wave-function solution in time-reversal transformation
- Happiness
- · Replies 5 ·
Graduate Why no smear in Stern-Gerlach experiment?
- Alfred Cann
- · Replies 7 ·
Graduate Definitions of parity conservation
- Happiness
- · Replies 3 ·
Graduate Does a system regain superposition after measurement?
- physicshelp123
- · Replies 3 ·
Graduate How Does Distance Affect Entanglement Between Quantum Particles?
- friend
- · Replies 18 ·
Graduate Does entanglement monogamy reduce correlation after measurement?
- T S Bailey
- · Replies 6 ·
Graduate Problem With Motion of Electron
- Error404!
- · Replies 1 ·
Graduate Matrix representation of operators
- Happiness
- · Replies 1 ·
Graduate Do quantum wave functions exhibit resonance cascade effects?
- Justice Hunter
- · Replies 20 ·
Undergrad Do photons move like waves according to de Broglie's equation?
- Prannoy Mehta
- · Replies 19 ·
Graduate Why is gauge symmetry not a true symmetry?
- TimeRip496
- · Replies 46 ·
Graduate Carbon nanotubes as single photon sources
- AdrienJ
- · Replies 1 ·
Graduate Why is (5.302) an Approximation of Exponential Operators?
- Happiness
- · Replies 17 ·
Graduate What is the law for probability having Schrodinger equation?
- naima
- · Replies 13 ·
Undergrad How is integral finished? and what integral equation used?
- zqz51911
- · Replies 5 ·
Graduate Propagator in the derivation of path integrals
- Happiness
- · Replies 3 ·
Graduate Ehrenfest theorem and coherent states
- ShayanJ
- · Replies 4 ·
Graduate Why does Bohr's derivation work?
- davidbenari
- · Replies 9 ·
Graduate Does Maxwell's Demon violate the 2nd Law of Thermodynamics
- KMote
- · Replies 3 ·
Graduate Does Gauge Symmetry Define the Nature of Electric Charge?
- LarryS
- · Replies 2 ·
Graduate What must be quantized in physics besides fields?
- jlcd
- · Replies 3 ·
Graduate Why Do Path Integrals Involve Multiple Integrations Instead of Simple Summation?
- TimeRip496
- · Replies 8 ·
Graduate Solving phi-fourth theory using Fourier analysis
- spaghetti3451
- · Replies 1 ·
Graduate Proof of time independence for normalization of wavefunction
- Jimmy87
- · Replies 5 ·
Graduate Can circularly polarized photons interfere with themselves?
- marksesl
- · Replies 7 ·
Graduate Why are particles in QFT assumed to be point-like?
- Ben Cooper
- · Replies 11 ·
Graduate Orthonormality contition for radial functions of hydrogen
- KostasV
- · Replies 2 ·
Graduate Inner products of vectors in the form of equations.
- SpartaBagelz
- · Replies 2 ·
Graduate Photon energy and light quantum hypothesis
- PFfan01
- · Replies 11 ·
Graduate Photon-Atom Interaction: Effects on Electron and Nucleus Energies
- GuhaGubindam
- · Replies 3 ·
Graduate What are the latest developments in Bosenova and EBC research?
- Martin0001
- · Replies 3 ·
Graduate Elementary Particles: Wave-Like Nature vs Travelling in Wave
- Islam Hassan
- · Replies 2 ·
Graduate Double Slit Experiment: Largest Size for Wave-Particle Duality
- marz
- · Replies 6 ·
Graduate How should we think of a photon moving through space?
- DiracPool
- · Replies 35 ·
Graduate Getting electron density from probability density function
- Jan Wo
- · Replies 4 ·
Graduate Does Fermi's Golden Rule hold for non-Hermitian Hamiltonians or uncountable states?
- Kiarash
- · Replies 2 ·
Undergrad Superconductors in magnetic fields
- Danyon
- · Replies 3 ·
Graduate Why do smaller black holes evaporate faster via Hawking radiation?
- serp777
- · Replies 6 ·
Graduate Computing propagators with derivative interaction
- FrancescoS
- · Replies 1 ·
Graduate Prove the time evolution operator is unitary
- Happiness
- · Replies 1 ·
Graduate Experience the Quantum World with This Innovative Card Game
- jerromyjon
- · Replies 23 ·
Graduate (kx,ky,kz)=(0,0,0) solution for a free particle with PBC?
- Coffee_
- · Replies 3 ·
Graduate Stern-Gerlach for Spin 1 Particles
- Hornbein
- · Replies 1 ·
Graduate Free particle solution to the SE
- DiracPool
- · Replies 5 ·
Graduate How Can Effective Mass Discontinuity Be Managed in Quantum Well Simulations?
- aaaa202
- · Replies 1 ·
Graduate "Wave function Collapse" 'proof' articles
- _PJ_
- · Replies 20 ·
Graduate Matrix representation of an operator with a change of basis
- Happiness
- · Replies 20 ·
Graduate Finite Size vs Point Size Hydrogen like Atoms
- photomagnetic
- · Replies 3 ·
Graduate Complex phase space coordinates
- luxtenebra
- · Replies 2 ·
Graduate Non-locality and Counterfactual definiteness
- Daniel K
- · Replies 42 ·
Undergrad Why do we have a saturation current in photoelectric effect?
- Shubhad Mathur
- · Replies 2 ·
Graduate Teaching Heisenberg Uncertainty Principle to general chemistry students
- Zeeboozoo
- · Replies 8 ·
Graduate Instantaneous eigenstates in the Heisenberg picture
- "Don't panic!"
- · Replies 9 ·
Graduate Does Hilbert Space Include Constants of Nature Beyond Basic Quantum Information?
- jlcd
- · Replies 5 ·
High School High school teacher looking for data students can work with
- Fewmet
- · Replies 4 ·
Undergrad Hilbert Space vs Quantum Vacuum
- jlcd
- · Replies 3 ·
Graduate Hydrogen atom ground state wave function complex conjugate
- zqz51911
- · Replies 4 ·
Graduate Can quantum mechanics explain total internal reflection of light?
- Joker93
- · Replies 3 ·
Graduate Can QM be described by Markov chain theory?
- Adel Makram
- · Replies 2 ·
Undergrad Does this type of potential have a name?
- Darrenm95
- · Replies 13 ·
Graduate Field variation under Lorentz transformation for Noether's theorem
- Mishra
- · Replies 15 ·
Graduate Radiation reaction in the classical limit of QED?
- andresB
- · Replies 8 ·
Graduate Minimum-uncertainty wave function -- contradiction?
- Happiness
- · Replies 1 ·
Graduate Why do real spectra show continuous absorption instead of just discrete peaks?
- Small bugs
- · Replies 4 ·
Graduate Unitary evolution and environment
- zonde
- · Replies 15 ·
Graduate How to merge beams with POVMs?
- naima
- · Replies 2 ·
Can someone explain me this Quantum Picture?
- Armando Valle
- · Replies 4 ·
Graduate Degeneracy removed when commuting observables are specified?
- Happiness
- · Replies 4 ·
Graduate Relation between dimensional regularization and high-energy modes
- beda
- · Replies 1 ·
Graduate Basis for electron spin in a quantum field
- jordankonisky
- · Replies 2 ·
Graduate What Distance Makes the Casimir Effect Negligible?
- _PJ_
- · Replies 3 ·
Graduate Visualizing Decoherence in a Momentum Basis
- jlcd
- · Replies 24 ·
Graduate What issues can D wave quantum processor solve ?
- netqwe
- · Replies 2 ·
Graduate Time reversal and motion reversal
- hokhani
- · Replies 3 ·
Graduate Electrons, Muons and Pauli Exclusion
- jimgraber
- · Replies 3 ·
Graduate Do virtual particles interact with each other?
- friend
- · Replies 30 ·
Graduate Prove the nth energy eigenfunction has n-1 zeros
- Happiness
- · Replies 7 ·
Graduate Why Is Bloch's Theorem Derived Using Complex Methods?
- Happiness
- · Replies 2 ·
Graduate Standard Model, Mass in QFT - Is There Consensus?
- sandy stone
- · Replies 10 ·
Graduate Does the Higgs field truly exist if it cannot be directly measured?
- ftr
- · Replies 10 ·
Graduate Unphysical nature of ##\phi^{3}## interaction
- spaghetti3451
- · Replies 7 ·
Graduate Understanding Interference of Qubits with Varying Density Matrices
- naima
- · Replies 6 ·