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 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 Quantum Leap: Electrons and Instant Movement
- 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 Debunking Quantum Woo: A Lay Person's Guide
- Concordiscord
- · Replies 2 ·
Graduate Wave function with a certain wavelength
- bubblewrap
- · Replies 1 ·
Graduate Help to 2-point correlation function in $ \phi^{4} $-theory
- 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 John Wheeler & QM: Unpacking His Interpretation of 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 Angular momentum operator justification
- 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 Understanding the Parity-Flipping Nature of the Momentum Operator
- 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 Quick questions regarding 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 Observations one at a time is this a valid illustration?
- 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 Is anyone here familiar with 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 Roger Penrose: Objective Reduction & Nonlocal Collapse
- 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 Probability amplitudes & light / particle wavelengths
- Nick.
- · Replies 11 ·
Graduate Understanding the Bohr Model and Electron Decay
- 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 ·
Graduate Proof of "Entropy of preparation" in Von Neumann entropy
- nochemala
- · Replies 1 ·
Graduate Interaction picture equation from Heisenberg equation
- copernicus1
- · Replies 4 ·
Graduate Interested in learning quantum theory
- Jaco Viri
- · Replies 6 ·
Graduate Can entangled particles communicate through time?
- Jim White
- · Replies 2 ·
Graduate Progress on Explaining Bell's Inequality
- edpell
- · Replies 68 ·
Graduate Density functional theory and partial charge transfer
- arrektor
- · Replies 1 ·
Graduate Entanglement, why are the spins decided on observation?
- Superposed_Cat
- · Replies 13 ·
Graduate Are observables like position emergent properties?
- Peglegpenguin
- · Replies 25 ·
Graduate Understanding virtual particles
- brianhurren
- · Replies 1 ·
Graduate Momentum conservation, the double slit and Heisenberg
- Amaterasu21
- · Replies 6 ·
Graduate Notation on energy level for atoms
- KFC
- · Replies 1 ·
Graduate Is the concept of wave-particle duality outdated in modern quantum theory?
- sunrah
- · Replies 2 ·
Graduate How are units of measure defined in Quantum Mechanics?
- Stephen Tashi
- · Replies 1 ·
Graduate Massless complex field+assumption(s)=massive field. Doable?
- Spinnor
- · Replies 1 ·