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
Undergrad Entanglement in QM - Understanding Instant Correlation & Randomness
- GiuseppeP
- · Replies 38 ·
Graduate Spinor Lorentz Transform via Vectors - Cross Product Issue
- bolbteppa
- · Replies 6 ·
Graduate Why General Relativity is non-renormalizable quantum theory?
- tatanacevedo
- · Replies 2 ·
High School Operators 'act on' the wavefunction
- says
- · Replies 4 ·
High School Why is wave function collapse considered surprising or weird?
- abrogard
- · Replies 153 ·
High School Can photons be particles that emit waves rather than both particle and wave?
- MittyWalter
- · Replies 34 ·
Undergrad Confused about emission/absorbtion of photons
- tadasbar
- · Replies 2 ·
Graduate NASA confirms(?) EmDrive - can pilot wave carry momentum?
- jarekduda
- · Replies 1 ·
Undergrad Measuring Spin in the Stern Gerlach Experiment
- klen
- · Replies 3 ·
Undergrad Hermitian Operators in QM
- john t
- · Replies 3 ·
Graduate Why can the ##1##-point correlation function be made to vanish?
- spaghetti3451
- · Replies 6 ·
Undergrad Correlation functions and correlation length
- Frank Castle
- · Replies 15 ·
High School How does Partcle Symmetry affect the way a Particle Behaves?
- ChrisisC
- · Replies 5 ·
Graduate Hermitian properties of the gamma matrices
- spaghetti3451
- · Replies 1 ·
Graduate EPFL's claim about wave particle duality
- Ranvir
- · Replies 4 ·
Undergrad Explanation for the Quantum Measurement Problem?
- pittsburghjoe
- · Replies 10 ·
High School What is the difference between re-preparing and perturbing a quantum state?
- bluecap
- · Replies 3 ·
Undergrad Can particles exist without duality?
- pittsburghjoe
- · Replies 10 ·
High School Do interference fringes reappear when rotating polarizers from perpendicular to parallel?
- mister mishka
- · Replies 4 ·
Undergrad Why Is the Probability of Finding a Particle in a Position Eigenstate Zero?
- bluecap
- · Replies 38 ·
Graduate Does an infinitesimal generator of acceleration exist?
- quickAndLucky
- · Replies 3 ·
Graduate What is the Lorentz Transformation for Spinor Indices of the Weyl Operator?
- spaghetti3451
- · Replies 4 ·
Graduate Lorentz transformation of field with components
- ChrisVer
- · Replies 2 ·
Graduate What is faster, Gravity or "Spooky Action" at a distance?
- fieldofforce
- · Replies 3 ·
Undergrad Gauge invariance of momentum of charged particle
- spaghetti3451
- · Replies 5 ·
Graduate Adiabatic process - quantum mechanics and thermodynamics
- spaghetti3451
- · Replies 14 ·
Undergrad Phase factors of eigenstates in time-dependent Hamiltonians
- spaghetti3451
- · Replies 1 ·
Undergrad How are Hofstadter's butterfly and Landau levels in 2D related?
- VishalSharma
- · Replies 4 ·
High School Can a point-like particle really exist in a 0-dimensional universe?
- ChrisisC
- · Replies 3 ·
Undergrad Question for large quantum system
- JasonWuzHear
- · Replies 4 ·
Undergrad Delayed choice quantum eraser with no detectors on idler path
- vintch
- · Replies 12 ·
Undergrad Time dependent perturbation(determination of order)
- gaus12777
- · Replies 1 ·
High School About creating a product state
- KFC
- · Replies 9 ·
High School Can Everett Branches Break Quantum Laws?
- bluecap
- · Replies 17 ·
High School Spectroscopy before tunable lasers?
- houlahound
- · Replies 7 ·
Undergrad Why windows show reflections and transparency differently at day and night
- rxrus
- · Replies 4 ·
High School Is the Speed of Light 1 Planck Length per 1 Planck Time in Vacuum?
- danihel
- · Replies 18 ·
High School Uncertainty Principle and a photon
- backward
- · Replies 17 ·
Undergrad Delayed choice quantum eraser without idler detectors
- evkph
- · Replies 7 ·
Undergrad Hermitian Operators in Dirac Equation
- Higgsono
- · Replies 2 ·
Graduate What is De Broglie's Fictitious Wave?
- avarmaavarma
- · Replies 1 ·
Undergrad What is the reason behind fermions being unable to share the same quantum state?
- Higgsono
- · Replies 5 ·
High School Why Does Matter Become Solid When Observed? Max Planck's Theory
- dieter007
- · Replies 4 ·
Undergrad Quantum numbers of Landau levels
- spaghetti3451
- · Replies 1 ·
High School The Possibility of Induced Quantum Mechanical Tunneling?
- Pau
- · Replies 4 ·
Graduate Correlation functions in an interacting theory
- spaghetti3451
- · Replies 1 ·
High School How to create quantum entangled electrons
- IsaiahvH
- · Replies 7 ·
High School Are photons really necessary in physics?
- Uriel
- · Replies 4 ·
Graduate Wave of an outgoing anti-particle in quantum field theory?
- goodphy
- · Replies 1 ·
Undergrad Bohr model, Why do we assume a standing wave?
- kidsasd987
- · Replies 12 ·
Undergrad Do electrons really behave like waves?
- LSMOG
- · Replies 6 ·
High School Why did Bohr and Heisenberg favor indeterminate quantum reality over hidden variables?
- jeremyfiennes
- · Replies 27 ·
Undergrad Uncertainty Principle: Energy of Unstable Particle?
- Kara386
- · Replies 2 ·
Undergrad Why is photon energy proportional to frequency, not amplitude?
- kiyoshi7
- · Replies 13 ·
Graduate Minimum uncertainty in electron position
- FrederikPhysics
- · Replies 3 ·
Undergrad Explaining musical consonance with wave function interference
- JohnnyGui
- · Replies 2 ·
Undergrad Hamiltonian matrix - Eigenvectors
- Konte
- · Replies 2 ·
Graduate H-theorem in quantum information theory
- PeterDonis
- · Replies 18 ·
Undergrad Could somebody tell me good book about degenerate matter ?
- VonNathan
- · Replies 1 ·
Undergrad Hartree Fock v.s. Configuration Interaction
- Jan Hidding
- · Replies 2 ·
High School Does the Initial Emission in the Double Slit Experiment Have a Trajectory?
- bluecap
- · Replies 40 ·
Graduate Conjugate variables in the Fourier and Legendre transforms
- redtree
- · Replies 1 ·
Undergrad Macroscopic versus microscopic standing waves
- Saw
- · Replies 16 ·
Undergrad Integration Method Used to Transform Equation 1 into Equation 2?
- knockout_artist
- · Replies 4 ·
High School How long can a virtual particles exist in a vacuum state?
- mitrasoumya
- · Replies 1 ·
Undergrad Entangled particle on a nanoprobe.
- Tim Cavanaugh
- · Replies 1 ·
Undergrad Vacuum fluctuations - possible stupid question
- Tim Gillespie
- · Replies 4 ·
High School How does a Bell State lead to a probability in the CHSH game
- IsaiahvH
- · Replies 6 ·
Undergrad Why are E and gamma considered canonically conjugate in the Gauss law?
- naima
- · Replies 8 ·
Insights How can anyons exist in 2D if all particles are bosons or fermions?
- Demystifier
- · Replies 51 ·
Graduate Transverse polarizations of a massless spin 1 particle
- spaghetti3451
- · Replies 3 ·
High School Difference between the triplet and singlet states of two qubits
- IsaiahvH
- · Replies 11 ·
Graduate Factors in the theory of a complex scalar field
- spaghetti3451
- · Replies 1 ·
Undergrad Decoherence and standard formalism
- fanieh
- · Replies 68 ·
Undergrad Ionization and Nodes in the Hydrogen Wave Function
- Jamison Lahman
- · Replies 3 ·
Insights Struggles with the Continuum - Conclusion - Comments
- john baez
- · Replies 3 ·
Undergrad Is unpolarized light made of randomly polarized photons?
- Dadface
- · Replies 6 ·
High School Which fundamental properties of particles can actually vary?
- Hallucinogen
- · Replies 21 ·
Undergrad Is the velocity of two photons of different energies same?
- TonyPSR
- · Replies 1 ·
Undergrad Hydrogen atom wavefunctions and quantum numbers n, l, m
- papanatas
- · Replies 1 ·
High School What does a Penning trap say about the electron?
- Eric Walker
- · Replies 52 ·
High School Explain Electron Revolution in Quantum Mechanics
- qasim4593
- · Replies 2 ·
Graduate Maxwell field commutation relations
- eudo
- · Replies 2 ·
Undergrad Why Does U(1) Symmetry Allow Multiple Solutions in Lagrangians?
- bhobba
- · Replies 6 ·
Undergrad Create black hole with lasers? Physics project
- FilipLand
- · Replies 5 ·
High School Can quantum mechanics enable new energy sources beyond fission and fusion?
- Algr
- · Replies 4 ·
Graduate Gauge invariance and covariant derivative
- spaghetti3451
- · Replies 1 ·
Graduate Scale in mathematics vs in quantum physics
- RockyMarciano
- · Replies 30 ·
Undergrad Delayed Choice Double Slit: Sending Info to the Past?
- chad hale
- · Replies 3 ·
Submit your interview questions for Dr. James Gates
- Greg Bernhardt
- · Replies 26 ·
Undergrad Permutation operator and Hamiltonian
- TheCanadian
- · Replies 2 ·
High School Does the Uncertainty Principle work through barriers?
- dccd286
- · Replies 18 ·
Undergrad Is Polarisation Entanglement Possible in Photon Detection?
- Dadface
- · Replies 251 ·
Undergrad The ##1s^2## configuration of helium can't be triplet state?
- Kara386
- · Replies 15 ·
High School Particle antiparticle collide, teleportation?
- FilipLand
- · Replies 9 ·
Undergrad Can electrons transition collectively, emitting 1 photon?
- TubbaBlubba
- · Replies 13 ·
High School Do we measure the particle or the wavefunction?
- quantumfunction
- · Replies 15 ·
Undergrad What happens to wavefunction if you swap electrons?
- Kara386
- · Replies 5 ·
Undergrad Bohr-Sommerfield quantization of motion
- weezy
- · Replies 3 ·
Undergrad Periodic potential - energy bands
- Konte
- · Replies 8 ·