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 What would be outcome of experiment?
- zonde
- · Replies 3 ·
Graduate Questions on chapter 95 in Srednickis QFT book, Supersymmetry
- malawi_glenn
- · Replies 5 ·
Graduate A pair of 2D harmonic oscillators at a point and Dirac eq.
- Spinnor
- · Replies 1 ·
Graduate Gauge invariance of superpotential
- RedX
- · Replies 6 ·
Graduate How does a single electron fill all orbital shells in a hydrogen atom?
- daisey
- · Replies 16 ·
Graduate Relation between decay rate (lifetime) and spectral width
- Chen
- · Replies 15 ·
Graduate Understanding Ansatz in Quantum Mechanics: Types and Applications
- AxiomOfChoice
- · Replies 1 ·
Graduate Quantum Mechanical analogy of Newton's third law
- sokrates
- · Replies 7 ·
Graduate Harmonic oscillator integral: proving d²x/dt² · dx/dt = ½d(dx/dt)²/dt
- Heath Watts
- · Replies 2 ·
Graduate Photoelectric effect and light polarization in Wikipedia
- lightarrow
- · Replies 6 ·
Graduate Why fundamental quantization of energy is hv?
- janakiraman
- · Replies 33 ·
Graduate Interpreting k.p 8 band model output for type II quantum wells
- N_B
- · Replies 1 ·
Graduate Pre-requisites for path integral formulation?
- hawkingfan
- · Replies 4 ·
Graduate Operator in exponential function and generating function
- ChrisLM
- · Replies 1 ·
Graduate Massless representations of the Poincare group
- nrqed
- · Replies 2 ·
Graduate Derivation of Uncertainty Princple
- ChrisLM
- · Replies 2 ·
Graduate Why do photons have no rest mass and cannot have a charge?
- Nikaro
- · Replies 31 ·
Graduate Difficulties in Canonical Quantization and Tensor Relations in Elementary QFT
- muppet
- · Replies 20 ·
Graduate What Is the Schwarz-Hora Effect and Its Implications on Quantum Mechanics?
- mn4j
- · Replies 5 ·
Graduate A mental picture of entanglement?
- ronridings
- · Replies 4 ·
Graduate Do Weyl Spinors Have Well-Defined Helicities Across Different Masses?
- nrqed
- · Replies 8 ·
Graduate Normalization of Wave-Function
- Sparky_
- · Replies 7 ·
Graduate Is the principal objection to decoherence thermodynamical?
- canoe
- · Replies 16 ·
Graduate Uncertainty principle in classical mechanics boundary
- omri3012
- · Replies 2 ·
Graduate What is the Derivation of the Schrodinger Equation for Matter?
- snoopies622
- · Replies 8 ·
Graduate Quantum Kinetic Theory by M. Bonitz: Traces over Commutators
- Jezuz
- · Replies 2 ·
Graduate Can BECs Show Us Decoherence in "Slow Motion"?
- SW VandeCarr
- · Replies 1 ·
Graduate Where is an electron while jumping between energy levels?
- aymer
- · Replies 1 ·
Graduate How Are Allowed Wave Vectors Calculated in Carbon Nanotubes?
- rejinisaac1
- · Replies 4 ·
Undergrad Weak and strong interaction are attactive or repulsive force?
- magnetar
- · Replies 1 ·
Graduate Basic question on a vector superfield
- RedX
- · Replies 3 ·
Graduate Black hole laser or condensate?
- tiny-tim
- · Replies 2 ·
Graduate Super-position / Duality Physically Real?
- Thetom
- · Replies 12 ·
Graduate The Significance of Decoherence in the Quantum-to-Classical Transition
- kexue
- · Replies 7 ·
Graduate Beta Function for QED: 20/9 or 8/3?
- RedX
- · Replies 3 ·
Graduate Counterterms and vertices in Srednicki's equation 9.25
- malawi_glenn
- · Replies 2 ·
Graduate Total angular momentum of N identical spin-1 bosons
- wdlang
- · Replies 4 ·
Graduate Software to calculate simple commutator relation ?
- aspidistra
- · Replies 1 ·
Graduate What are Jacobi coordinates, and why are they useful?
- AxiomOfChoice
- · Replies 1 ·
Graduate Fourier Transforms, Momentum and Position
- r16
- · Replies 4 ·
Graduate Time evolution of an entangled state
- menriquezf
- · Replies 1 ·
Graduate Does Quantum Entanglement Necessitate Faster-Than-Light Communication?
- TimH
- · Replies 25 ·
Graduate Divergent tree level Feynman diagrams?
- DrFaustus
- · Replies 7 ·
Graduate What operators can we measure directly?
- Fredrik
- · Replies 14 ·
Graduate Quantum Foam vs Zero Point Energy
- Zenth
- · Replies 2 ·
Undergrad Fourier transform spectroscopy
- Chemistopher
- · Replies 2 ·
Graduate Force Carriers, Mass, and Speed
- daisey
- · Replies 2 ·
Graduate Reason for Fourier transform convention in QM?
- pellman
- · Replies 8 ·
Graduate Laser Broadening: Impact on Wavelengths
- chrisphd
- · Replies 1 ·
Graduate Is spontaneous emission by a photoexcited atom a scattering process?
- KFC
- · Replies 1 ·
Graduate Number say about the spin of a particle?
- MrPickle
- · Replies 3 ·
Graduate Status of Teleportation Research?
- Ulnarian
- · Replies 8 ·
Graduate Electron double slit with continuous lamp illumination
- intervoxel
- · Replies 5 ·
Graduate Why do electrons behave as both waves and particles?
- peeyush_ali
- · Replies 26 ·
Graduate The CRT and Electron Superposition
- McHeathen
- · Replies 17 ·
Graduate Lorentz Transformation and Creation Operators
- maverick280857
- · Replies 8 ·
Undergrad Wave and particle properties of light and frequency-energy relationship
- hopskins
- · Replies 19 ·
Graduate What Defines the Weak Field Regime in the Zeeman Effect?
- rabbit44
- · Replies 1 ·
Graduate Renormalizable quantum field theories
- LaserMind
- · Replies 83 ·
Graduate Is the path integral well defined
- pellman
- · Replies 13 ·
Graduate Energy of electron and its effective mass
- Stanley514
- · Replies 11 ·
Graduate Time is interconnected with mass, right?
- brianthewhitie7
- · Replies 1 ·
Graduate No Permanent Dipole Moment in Two-Level System w/External Field
- KFC
- · Replies 3 ·
Undergrad Pair Production and Annihilation
- rss14
- · Replies 3 ·
Graduate The role of complex conjugation in QM
- bunburryist
- · Replies 4 ·
Graduate Einstein's 'Spooky Physics' Gets More Entangled
- EricKnaak
- · Replies 5 ·
Graduate Can Matter and Energy Interchangeably?
- Frozen Light
- · Replies 4 ·
Graduate Can quantum uncertainty be useful in physics?
- aaryan0077
- · Replies 2 ·
Graduate Mermin on Spooky action at a distance
- Niles
- · Replies 33 ·
Graduate Computing P$^{\mu}$ with Stress Energy Tensor
- maverick280857
- · Replies 12 ·
Graduate Geneva University speed of entanglement results
- LaserMind
- · Replies 26 ·
Graduate Convergence of vacuum state of Klein Gordon field in a box
- maverick280857
- · Replies 6 ·
Graduate Probability that energy level is occupied
- unscientific
- · Replies 3 ·
Graduate Questions over Quantum Physics
- haloshade
- · Replies 20 ·
Graduate How do you find the length of closed orbits in the Gutzwiller formula?
- zetafunction
- · Replies 1 ·
Graduate Expressing the Klein Gordon Hamiltonian in terms of ladder operators
- maverick280857
- · Replies 2 ·
Graduate Can entanglement enable FTL communication despite relativity?
- Untangled
- · Replies 29 ·
Graduate Colapse of the Wave Funcion and the Schroedinger Equation
- wofsy
- · Replies 58 ·
Graduate Normalized function and minimum energy
- satach
- · Replies 4 ·
Graduate Partial derivative of electromagnetic field tensor with respect to time derivatives
- maverick280857
- · Replies 9 ·
Graduate Alternative formalization of quantum mechanics?
- krete
- · Replies 1 ·
Graduate Potential Energies: Same Value, Different Minima?
- Physicslad78
- · Replies 4 ·
Graduate Atom Stability and harmonic oscillator
- feynmann
- · Replies 12 ·
Graduate What are good eigenstates in degenerate perturbation theory?
- mattlorig
- · Replies 10 ·
Graduate Validity of Mathematical Proof of Uncertainty Principle
- phreak
- · Replies 6 ·
Graduate When is a propagator on shell?
- nolanp2
- · Replies 1 ·
Graduate Generalizing entanglement: Aren't all quantum events superluminal?
- DB Katzin
- · Replies 4 ·
Graduate Compton effect does the electron radiate?
- conway
- · Replies 27 ·
Graduate What Devices and Barriers are Used in Quantum Tunneling Experiments?
- forex10
- · Replies 1 ·
Graduate No-communication theorem question
- Smacal1072
- · Replies 5 ·
Graduate Buckyball Interference, classical/quantum border?
- Q_Goest
- · Replies 4 ·
Graduate Solving a differential equation similar to Legendre
- Physicslad78
- · Replies 1 ·
Graduate Angular momentum in whole numbers
- snoopies622
- · Replies 11 ·
Undergrad Photoelectric efffect question
- NMphoton
- · Replies 1 ·
Undergrad Can a non-moving photon be detected?
- ronridings
- · Replies 18 ·
Graduate How does the quantum model justify accelerating electrons not losing energy?
- merry
- · Replies 30 ·
Graduate Polynomial wavefunction - basic math qu.
- keen23
- · Replies 2 ·
Graduate Explanation of the mass and charge of the proton
- LitleBang
- · Replies 6 ·
Graduate Quantum Entanglement: Is Spin Truly Random?
- ryuunoseika
- · Replies 4 ·
High School Muon detector in the Alps from Discovery's Time show
- pesto
- · Replies 2 ·