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.
Sub-forums
Threads
Graduate Rigged Hilbert Space Φ ⊂ H ⊂ Φ'
- sweet springs
- · Replies 61 ·
Graduate Why two-state system = two-dimensional Hilbert space?
- V0ODO0CH1LD
- · Replies 2 ·
Graduate How to find the energy level if a three state system
- Zachary Nichols
- · Replies 1 ·
Graduate On the huge hypothetical atom
- Sven Andersson
- · Replies 1 ·
Graduate Is the Quotient of Two Operators AB-1 or B-1A?
- wasi-uz-zaman
- · Replies 9 ·
Graduate Wave function for a potential barrier
- Joy Prakash Das
- · Replies 6 ·
Graduate Why is the expectation value of momentum real-valued?
- TEFLing
- · Replies 1 ·
Graduate What experiment demonstrates Heisenberg's uncertainty principle?
- mycotheology
- · Replies 51 ·
Graduate System of 2 particles: why is the wavefunction a product?
- eudyptula
- · Replies 2 ·
Graduate Spin wavefunction for 2 electrons
- dyn
- · Replies 1 ·
Graduate Coefficients in wave function for potential step
- Nick O
- · Replies 2 ·
Graduate How Does the Parity Operator Affect Spin States?
- AlonsoMcLaren
- · Replies 1 ·
Graduate Solution to Schroedinger Equation for a huge hypothetical
- Sven Andersson
- · Replies 5 ·
Graduate Localization of states and elementary vs composite in QM
- TrickyDicky
- · Replies 2 ·
Graduate Unitarity and locality on patgh integrals
- melthengylf
- · Replies 2 ·
Graduate Schrödinger's cat explain color charge?
- Zachary Nichols
- · Replies 10 ·
Undergrad Bell's inequality for non-physicists
- Demystifier
- · Replies 9 ·
Graduate Is Adding a Phase to the Wavefunction in Quantum Mechanics a Wrong Assumption?
- aaaa202
- · Replies 12 ·
Graduate Is Everything Connected by Quantum Entanglement?
- Rajkovic
- · Replies 4 ·
Graduate Question regarding time independent perturbation theory
- Kidiz
- · Replies 2 ·
Graduate Cooling and (or?) heating ion trap experiments
- rwooduk
- · Replies 1 ·
Graduate Direct Product of Two Spin-Up Vectors: What Is It?
- dyn
- · Replies 1 ·
Graduate Confusion About Quantum Uncertainty
- ScientificMind
- · Replies 7 ·
Graduate What is the polarization of a virtual photon
- maxdil
- · Replies 5 ·
Graduate How to devise an experiment that violates uncertainty principle
- Palpatine
- · Replies 18 ·
Graduate Do electrons occupy two places at once during orbital transitions?
- psuedoben
- · Replies 10 ·
Graduate Passing a black hole from double slit experiment setup
- us40
- · Replies 4 ·
Graduate Large n-pt functions renormalized by small n-pt functions?
- geoduck
- · Replies 1 ·
Graduate Can Quantum Decoherence Math Explain Color Charge States of Quarks?
- Zachary Nichols
- · Replies 5 ·
Undergrad Very curious integral (overlap integral)
- Ahmad Kishki
- · Replies 2 ·
Graduate Can Microwaving Chocolate Really Measure the Speed of Light?
- Hornbein
- · Replies 2 ·
Undergrad Where can I find rigorous debunkings of quantum woo and new-age misuse of physics?
- Concordiscord
- · Replies 2 ·
Graduate Wave function with a certain wavelength
- bubblewrap
- · Replies 1 ·
Graduate 2-point correlation function in φ⁴ theory with dimensional regularization
- Strum
- · Replies 6 ·
Graduate Preparing a spin state and measurements
- MagicalMayhem
- · Replies 3 ·
Graduate Quantum Mechanics in 1+1 spacetime
- michael879
- · Replies 12 ·
Graduate Could multiple dimensions explain quantum leap?
- psuedoben
- · Replies 3 ·
Graduate How did Wheeler interpret quantum mechanics?
- maline
- · Replies 21 ·
Graduate Davisson-Germer experiment and Bragg's law
- bubblewrap
- · Replies 1 ·
Graduate Can Different Dielectric Values Affect the Distribution of the Casimir Force?
- gildomar
- · Replies 5 ·
Graduate Nonrelativistic free particle propagators
- Theage
- · Replies 3 ·
Undergrad Books on quantum computing, qbits
- Edward Wij
- · Replies 1 ·
Graduate What does it mean by wave nature of matter?
- Dikshant
- · Replies 2 ·
Graduate What is the difference classical pixel and quantum pixel?
- dongsh2
- · Replies 1 ·
Graduate Why represent angular momentum operator as a vector with direction
- adav
- · Replies 1 ·
Undergrad Calculate Complex Conjugate of Ψ(x,t) for x=4, t=9
- LachyP
- · Replies 8 ·
Graduate Non-locality versus Action-at-a-distance
- bohm2
- · Replies 5 ·
Graduate Hard Drive that uses quantum state
- Edward Wij
- · Replies 2 ·
Graduate Is Charge Conserved in Electromagnetic Interactions Between Particles?
- Clear Mind
- · Replies 8 ·
Graduate Why does the momentum operator flip the parity of a function?
- dyn
- · Replies 8 ·
Graduate Why does field Lagrangian depend on four-derivative?
- Dixanadu
- · Replies 3 ·
Graduate Vac fluct e+/e- field correlated because charge conservation
- Spinnor
- · Replies 3 ·
Graduate Tracking states of randomness with three states
- Zachary Nichols
- · Replies 4 ·
Graduate How is Degeneracy Resolved by Building a CSCO?
- wgrenard
- · Replies 4 ·
Graduate Does a particle really try every possible path?
- gerbilmore
- · Replies 105 ·
Undergrad Can One Object Exist in Multiple Places Simultaneously?
- Quarlep
- · Replies 2 ·
Undergrad What shapes do d orbital represent?
- Raghav Gupta
- · Replies 14 ·
Graduate Dimensional analysis and coupling constant
- Xiaomin Chu
- · Replies 7 ·
High School Why the orbitals can contain maximum of 2 electrons?
- Raghav Gupta
- · Replies 13 ·
Graduate How do you mathematically describe wave function overlap?
- Zachary Nichols
- · Replies 5 ·
Graduate Question with respect to a Max Planck article
- Phillip
- · Replies 2 ·
Graduate Perturbing Hamiltonian optical absorption in semiconductors
- dyn
- · Replies 1 ·
Graduate Expressing Kronecker delta and Levi-Civita tensor in bra-ket notation
- rwooduk
- · Replies 6 ·
Graduate How Does Particle Proximity Affect Transition Probability to the Singlet State?
- anorlunda
- · Replies 0 ·
Graduate What are the Complementary Parameters in Quantum Physics?
- Feeble Wonk
- · Replies 7 ·
Graduate Is the orchestra analogy valid for wave function collapse in beam splitters?
- llew
- · Replies 1 ·
Graduate Delayed Choice Quantum Eraser
- protag0ras
- · Replies 11 ·
Graduate Matter Waves and Electromagnetic Waves
- Badfish97
- · Replies 45 ·
Graduate Find the time dependent wave function
- jimmycricket
- · Replies 2 ·
Graduate Pair-produced photons in the dynamical Casimir effect
- rwooduk
- · Replies 4 ·
High School The speed of light in a medium
- bubblewrap
- · Replies 2 ·
Graduate Light and atom interaction hamiltonian
- naima
- · Replies 7 ·
Graduate How can I animate quantum tunneling using Python and pseudocode?
- Avatrin
- · Replies 9 ·
Graduate Where does the 1/√N factor in the Dicke model arise from?
- lfqm
- · Replies 2 ·
Graduate Derivation of momentum operator
- pcflores
- · Replies 3 ·
Graduate How does Penrose's objective reduction account for nonlocal collapse with relativity?
- maline
- · Replies 4 ·
Graduate More questions about Lorentz representation
- Mishra
- · Replies 13 ·
Graduate Movement of a wave packet of a free particle
- Jillds
- · Replies 3 ·
Graduate Does measurement necessarily change the state?
- Larry Pendarvis
- · Replies 37 ·
Graduate Is it possible to distinguish between pure and mixed states?
- Larry Pendarvis
- · Replies 30 ·
Graduate Independence of Complex Fields?
- geoduck
- · Replies 1 ·
Undergrad The double slit experiment the same old
- Ott Rovgeisha
- · Replies 4 ·
Graduate Not quite clear in application of fourier series
- cgw
- · Replies 1 ·
Graduate Probability integral, Expectation Value and Square of Psi
- space-time
- · Replies 6 ·
Graduate Commutation of squared angular momentum operators
- jorgdv
- · Replies 2 ·
Graduate Quantum interference and superposition
- TrickyDicky
- · Replies 26 ·
Graduate Path integral and discontinuous paths
- Xiaomin Chu
- · Replies 10 ·
Graduate Do photon wavelengths and probability amplitudes have the same wavelength?
- Nick.
- · Replies 11 ·
Graduate Why don't ground-state electrons in the Bohr model radiate energy?
- jamie.j1989
- · Replies 3 ·
Graduate Probability Postulate in Relativistic QM?
- LarryS
- · Replies 8 ·
High School Do Photons Have Mass Despite General Relativity?
- Evenus1
- · Replies 8 ·
Graduate Applying Bell's Theorem to Non-Photonic Entanglement
- twoslit
- · Replies 1 ·
Graduate Boundary Conditions for Hydrogen Schrodinger Equation
- space-time
- · Replies 5 ·
Graduate All electronic component works on quantum probability
- rajeshmarndi
- · Replies 1 ·
Graduate Slow Light: Spatially Structured Photons Travel Slower Than Speed of Light
- Lord Crc
- · Replies 2 ·
Graduate Understanding Pointer States and Decoherence: A Quantum Perspective
- Edward Wij
- · Replies 4 ·
Graduate How can the Schrodinger equation be applied to a 3D rectangular box?
- TimeRip496
- · Replies 2 ·
Graduate Wavefunctions that don't satisfy Schrödinger equation
- plazprestige
- · Replies 8 ·
Graduate Solve 3D Dirac Equation: Simple Example
- TimeRip496
- · Replies 1 ·
Graduate On the relation between quantum and statistical mechanics
- Demystifier
- · Replies 9 ·