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
Graduate Why Does Planck's Law Assume Oscillator Energy Applies to Electromagnetic Modes?
- dEdt
- · Replies 1 ·
Graduate How Does a Blackbody Emit Radiation Beyond Its Oscillator Frequencies?
- dEdt
- · Replies 15 ·
Graduate Material for Quantum Transport
- acharya4689
- · Replies 1 ·
Graduate Use of QED equations of motion?
- QuasiParticle
- · Replies 14 ·
Graduate Meaning of the Energy-Time Uncertainty Relation
- MrRobotoToo
- · Replies 3 ·
Graduate Does the uncertainty principle apply at all to photons?
- Reallyfat
- · Replies 34 ·
Graduate Questions about Quantum erasure with causally disconnected choice
- samhealy
- · Replies 2 ·
Graduate Why must the Pauli matrices in the Dirac equation represent physical spin?
- LarryS
- · Replies 11 ·
Graduate Can Raising and Lowering Operators Be Found for an Anharmonic Oscillator?
- hilbert2
- · Replies 3 ·
Graduate Stability against small perturbation.
- wphysics
- · Replies 2 ·
Graduate Will same event happen at a parrallel universe?
- henrywang
- · Replies 2 ·
Graduate What Does A Represent in the Quantum Mechanical Wave Equation Ae^{i(kx-wt)}?
- velo city
- · Replies 2 ·
Graduate Double Slit Experiment with White Light and one Slit colour filtered
- Commando Spaz
- · Replies 5 ·
Graduate The Simplest Eigenfunction for Schrödinger's Wave EQ?
- kq6up
- · Replies 10 ·
Graduate Deriving Bloch equations from Liouville equation with spherical tensors
- TheDestroyer
- · Replies 6 ·
Graduate Query about quantum superposition and wave functions
- tim1608
- · Replies 11 ·
Graduate Do different measurement operators span different Hilbert spaces?
- Tosh5457
- · Replies 8 ·
Graduate Destructive interference - What happens to the energy?
- tim1608
- · Replies 20 ·
Graduate Spin assumption for fermions in potential well.
- ranytawfik
- · Replies 3 ·
Graduate Thermal AND Quantum Fluctuations?
- maverick_starstrider
- · Replies 19 ·
Graduate Planck length and quantized position
- Lit
- · Replies 6 ·
Graduate CHSH inequality simulation with 22.5° and 67.5° angles
- .Scott
- · Replies 1 ·
Graduate Simultaneous recognition of to change and being constant
- victorvmotti
- · Replies 13 ·
Graduate Measurement of singularity as a particle inside event horizon
- nomadreid
- · Replies 2 ·
Graduate Bell test experiment setup: photon pair measurement procedure
- humbleteleskop
- · Replies 70 ·
Graduate How are chemical bonds described by quantum mechanics?
- quantumcat
- · Replies 7 ·
Graduate Collapse of Wavefunction, Double-Slit Experiment
- crissyb1988
- · Replies 2 ·
Graduate What are the SU groups? I.e SU(2), SU(3)?
- RyanTG
- · Replies 4 ·
Graduate The Time Independence of Normalization
- kq6up
- · Replies 4 ·
Graduate Allowed energy levels of electrons
- Jimmy87
- · Replies 1 ·
Graduate Double-Slit Interference in Quantum Mechanics
- Robert_G
- · Replies 5 ·
Graduate Why is quantum physics needed to explain photosynthesis ?
- Murtuza Tipu
- · Replies 2 ·
Graduate Hydrogen Atom in homogeneous magnetic vector potential
- VVS
- · Replies 6 ·
Graduate Does the graviton mediate gravity or is it just an excitation of a field?
- FysixFox
- · Replies 6 ·
Graduate Deriving the photon rotation formula in MCNP anisotropic scattering
- Murtuza Tipu
- · Replies 1 ·
Graduate Transition probabilities subject to Lloyd's finite information limit?
- Bill H
- · Replies 3 ·
Graduate Detecting state of an electron
- RobikShrestha
- · Replies 6 ·
Graduate Spacetime and gravity and fields
- brianhurren
- · Replies 7 ·
Graduate Degeneracy: Is it Necessary for Experiments?
- Jano L.
- · Replies 8 ·
Graduate Dimensions of Hilbert Spaces confusion
- nomadreid
- · Replies 35 ·
Graduate Polarization coincidence formula for known polarization?
- georgir
- · Replies 1 ·
Graduate Does Gaussian function give bound states for a particle?
- suvendu
- · Replies 8 ·
Graduate Quantum mechanicss after electrical and electronics engineering?
- sagarbhathwar
- · Replies 1 ·
Graduate A Commutator of annihilation operator
- Robert_G
- · Replies 1 ·
Graduate State vectors and Eigenvalues?
- kq6up
- · Replies 5 ·
Graduate The probability of something happening
- Duhoc
- · Replies 17 ·
Graduate Coherence time of parametrically downconverted entangled photons
- nandan
- · Replies 4 ·
Graduate Fourier transform of an assumed solution to a propagating wave
- erba
- · Replies 1 ·
Graduate Is the trace of an outer product always equal to 1?
- kq6up
- · Replies 4 ·
Graduate Why are some photons reflected and others refracted at a surface?
- Goodver
- · Replies 1 ·
Graduate Virtual Particles in Inter-Quark Space
- Islam Hassan
- · Replies 2 ·
Graduate Article on Hanson quantum teleportation
- Thinkor
- · Replies 2 ·
Graduate The rigid rotator and Angular momentum.
- siddharth5129
- · Replies 2 ·
High School How does quantum teleportation work?
- Alex Jong
- · Replies 19 ·
Graduate Does CO2 re-emit infrared radiation to warm the atmosphere?
- atlstroke
- · Replies 1 ·
Graduate Some questions about the heisenberg picture
- HomogenousCow
- · Replies 1 ·
Graduate Non Commuting Observables not Representing a Complete Set?
- kq6up
- · Replies 13 ·
Graduate Casimir Effect, what does (x,θ) mean?
- epislon58
- · Replies 2 ·
Undergrad Relation between photons and EM wave frequency
- humbleteleskop
- · Replies 7 ·
Graduate Can quantum mechanics be formulated using index notation instead of Dirac notation?
- TheAustrian
- · Replies 105 ·
Graduate Unitary transformation of pure states to other pure states
- m~ray
- · Replies 7 ·
Graduate Photoactivated localization microscopy (PALM)
- gkiverm
- · Replies 1 ·
Graduate The state of a hydrogen electon ?
- siddharth5129
- · Replies 4 ·
Graduate Forming new energy levels in semiconductor by UV light
- Stanley514
- · Replies 1 ·
Graduate Physical meaning of solution to step potential with E = V0
- hnicholls
- · Replies 27 ·
Graduate Is spacetime real or abstract, and why quantize gravity?
- brianhurren
- · Replies 3 ·
Undergrad How does atmospheric dissipation affect UV light measurements?
- ykaravas
- · Replies 1 ·
Graduate Equation of Motion from Lagrangian - Zee QTF in a Nutshell
- sloneranger
- · Replies 8 ·
Graduate Does uncertainty principle apply to quantities other than position and momentum?
- velo city
- · Replies 11 ·
Graduate Source for "Shut up and calculate"
- rigetFrog
- · Replies 13 ·
Graduate What happens to psi in Infinite potential well
- bs vasanth
- · Replies 2 ·
Graduate A question about CP Violation.
- damian081
- · Replies 5 ·
Graduate What doe it mean that energy is quantized?
- kjamha
- · Replies 19 ·
Graduate Feynman's detectors at double slit
- DParlevliet
- · Replies 7 ·
Graduate Emergent coordinate systems in quantum physics
- zdcyclops
- · Replies 7 ·
Graduate Hypothesis of Quantum Entanglement acting up particle/wave duality
- bgrah25
- · Replies 9 ·
Graduate Wave-Particle Duality and Particle Specific Identification
- ir316507
- · Replies 3 ·
Graduate Temporal coherence in Computational ghost imaging
- nandan
- · Replies 20 ·
Graduate Free particle in one dimension
- angass
- · Replies 3 ·
Graduate Uncertainty principle - Nature of observer
- freeelectron
- · Replies 5 ·
Graduate Are all wave functions energy-eigenstates?
- Nikitin
- · Replies 5 ·
Graduate Why do we think that collapse occurs at measurement?
- mmiguel
- · Replies 10 ·
Graduate Symmetry of Spatial Wavefunctions
- cooev769
- · Replies 3 ·
Graduate Measurements and wavefunction collapse.
- maka89
- · Replies 6 ·
Graduate How to match the hydrogen radial equation recursion relation to Laguerre polynomials
- jayqubee
- · Replies 5 ·
Graduate What does the symbol \mathscr{P} in Atom-Photon Interactions stand for?
- Robert_G
- · Replies 1 ·
Graduate Photon's spin and orbital angular momentum
- intervoxel
- · Replies 2 ·
Graduate Wave function of particles approching 0 K
- nehorlavazapal
- · Replies 11 ·
Graduate Dual Tensors in Lagrangian: Why are they not included in U(1) theory?
- guest1234
- · Replies 6 ·
Graduate Fundamental forces and Pauli's exclusion principle
- hokhani
- · Replies 4 ·
Graduate Does the electron's instantaneous wave function violate relativity?
- Mikeal
- · Replies 3 ·
Graduate Is Zeno's Paradox Relevant in Understanding Digital and Real-World Motion?
- p764rds
- · Replies 7 ·
Graduate Complete set of eigenfunctions
- Nikitin
- · Replies 6 ·
Graduate Can electron density be simplified to 2 sum of squared wavefunctions?
- arierreF
- · Replies 10 ·
Graduate Wave function collapse in QED?
- QuasiParticle
- · Replies 44 ·
Graduate Unitary operator acting on state
- copernicus1
- · Replies 2 ·
Undergrad Quantum theory and electronic engineering
- vead
- · Replies 5 ·
Graduate Proof that the linear momentum operator is hermitian
- Paul Black
- · Replies 5 ·
Graduate Must the Lagrangian density be Hermitian?
- guest1234
- · Replies 5 ·
Graduate Experiment: Photon propagating trough dense neutrino beam
- Edi
- · Replies 4 ·