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 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 ·
Undergrad Breakdown of Planck's Law under certain Conditions
- tade
- · Replies 6 ·
Undergrad Discrete vs Continuous Spectra in Blackbody Radiation?
- greswd
- · Replies 1 ·
Undergrad Physical Significance of 2s Orbital Peaks?
- tade
- · Replies 23 ·
High School Quantum field theory VS Quantum mechanics
- AleksanderPhy
- · Replies 2 ·
Undergrad Planck's 1st Derivation of Planck's Law?
- tade
- · Replies 17 ·
Graduate QFT, what are the transformation rules for
- Jonsson
- · Replies 11 ·
Undergrad Function describing a traveling wavefield
- fog37
- · Replies 2 ·
High School Software for quantum calculations?
- houlahound
- · Replies 3 ·
High School Is matter's wave nature just probability, or is it physical like light?
- Naman Jain Kota
- · Replies 4 ·
Undergrad Creation and annihilation operator commutation confusion
- 43arcsec
- · Replies 2 ·
High School Wave function, units in the argument
- Physou
- · Replies 5 ·
High School What does "orbital velocity" mean in a quantum setting?
- sshai45
- · Replies 4 ·
Undergrad Does quantum tunneling affect the mass of a particle due to potential energy?
- IvicaPhysics
- · Replies 7 ·
Graduate Parity and time reversal on derivatives and electric field?
- Jonsson
- · Replies 10 ·