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 Dirac Equation Charge Density
- jb35len
- · Replies 4 ·
Graduate Spin-Orbit interaction in nucleus' rest frame
- ShayanJ
- · Replies 7 ·
Graduate Simple quastion about superposition
- maxverywell
- · Replies 7 ·
Graduate Loop Quantum Gravity and the Concept of the Universe as a Co
- ricardo81
- · Replies 9 ·
Graduate Exchange operator in Heisenberg's 1932 nucleon Hamiltonian
- jjustinn
- · Replies 2 ·
Graduate How are entangled particle pairs created and separated?
- imsmooth
- · Replies 25 ·
Graduate Experiment from Einstein Bohr debate
- jbmolineux
- · Replies 41 ·
Graduate Position & Momentum: Understanding Expectation Values
- Frank Einstein
- · Replies 5 ·
Graduate Can a nucleus be quantum teleported, and would the standard model allow it?
- Yash Lokare
- · Replies 10 ·
Graduate Delayed ChoiceQuantum Eraser: what about decision?
- QuantumEraser
- · Replies 16 ·
Graduate How strong are fluid experiments in restoring determinism?
- Pleonasm
- · Replies 15 ·
Graduate Parity violation on macroscopic scale
- tzimie
- · Replies 3 ·
Graduate What is the suitable unitary operator for a rotating frame?
- AngeSurTerre
- · Replies 46 ·
Graduate Can Dumbbell-Shaped Orbitals Be Experimentally Confirmed?
- Callaghan
- · Replies 3 ·
Graduate Density Matrix for Spin 1/2 particle in a magnetic field
- khfrekek92
- · Replies 2 ·
Graduate What is potential barrier against the photon penetration
- xhtp2000
- · Replies 1 ·
Undergrad What is the Casimir effect and exotic matter?
- ubergewehr273
- · Replies 1 ·
Graduate Quantum Entanglement - proven?
- Ward
- · Replies 7 ·
Graduate Is the observer effect's change predetermined at particle creation?
- velo city
- · Replies 16 ·
Graduate Conservation of energy and quantum weirdness
- ande4jo
- · Replies 1 ·
Graduate Randomness of radioactive decay
- mario0815
- · Replies 12 ·
Graduate Why does i-epsilon prescription not cure spin 1 propagator
- geoduck
- · Replies 1 ·
Graduate Entanglement and event horizon
- Jeroen Bruijns
- · Replies 4 ·
Graduate Can the Displacement Operator Rotate a Photonic State in Phase Space?
- naima
- · Replies 6 ·
Graduate Microcanonical ensemble density matrix
- Seban87
- · Replies 20 ·
Graduate Why must the no-cloning unitary be independent of the state to copy?
- jk22
- · Replies 4 ·
Graduate First order correction of wavefunction in degenerate perturbation
- zhanhai
- · Replies 1 ·
Graduate "Topological" properties of photons?
- PhysicsKid0123
- · Replies 2 ·
Graduate What are the problems with the Orch-Or Consciousness Theory?
- Markus_Johnson
- · Replies 10 ·
Graduate S-matrix structure of the lightest particle
- geoduck
- · Replies 1 ·
Graduate Extracting ground state in path integral
- geoduck
- · Replies 2 ·
Graduate Energy derivation step with first-order perturbation correction
- rwooduk
- · Replies 2 ·
Undergrad Two slit experiment at home and interference
- jimmylegss
- · Replies 7 ·
Graduate How to trace over spinor indices?
- gentsagree
- · Replies 4 ·
Graduate Simultaneous measurement of commuting observables X⊗Z, Z⊗X, Y⊗Y on two qubits
- Travis091
- · Replies 1 ·
Graduate Deriving Tanabe Sugano diagram
- bearcharge
- · Replies 2 ·
Graduate Quantum entanglement and Einstein's theory of relativity
- Gabespound
- · Replies 2 ·
Graduate Validity of perturbation theory
- spaghetti3451
- · Replies 2 ·
Graduate Matrix elements of harmonic oscillator in Heisenberg picture
- naima
- · Replies 16 ·
Graduate Understanding 1PI Vertex and Self-Energy Conventions in Quantum Field Theory
- geoduck
- · Replies 3 ·
Graduate How to Calculate Wavefunction for Arbitrary Time?
- jimmycricket
- · Replies 11 ·
Undergrad Double Slit Experiment: Pattern Variations
- Thomasallenmd
- · Replies 2 ·
Graduate A variation of the Bell experiment
- dsoodak
- · Replies 3 ·
Graduate Classical Circular Polarization vs. Photon Spin Eigenstates
- LarryS
- · Replies 5 ·
Graduate Viability of particle in a box modeling
- center o bass
- · Replies 2 ·
Graduate Ket and Bra with the momentum j,m
- brombenzol123
- · Replies 4 ·
Graduate Polariton Vortices Created from Laser
- sanman
- · Replies 1 ·
Undergrad When was the double slit experiment first performed with electrons?
- Safinaz
- · Replies 1 ·
Graduate Expectation value of a product of hermitian operators
- DrClaude
- · Replies 8 ·
Graduate Vacuum Fluctuations and a Preferred Frame
- MattRob
- · Replies 31 ·
Graduate Orbital angular momentum projection
- VantagePoint72
- · Replies 4 ·
Graduate Long distance quantum tunneling
- Stanley514
- · Replies 1 ·
Graduate Recommended quantum physics books for beginners
- stillwood
- · Replies 6 ·
Graduate How to get the conserved quantities of a integrable quantum system?
- Billy Yang
- · Replies 3 ·
Graduate Is Virtual Wave-Particle Duality a Misconception in Quantum Mechanics?
- brianhurren
- · Replies 3 ·
Undergrad Why isn't sinh 2x an eigenfunction of d²/dx²?
- Alekside
- · Replies 3 ·
Graduate Vacuum port in optics, Casimir effect, fluctuations of vacuum or electrons.
- Spinnor
- · Replies 1 ·
Graduate How Do You Calculate the Normalization Constant for Radial Wave Functions?
- Khaleesi
- · Replies 6 ·
Graduate Ladder operators vs Schrödinger equation for finding eigenstates
- rwooduk
- · Replies 5 ·
Graduate How Do Particles Interact in Quantum Field Theory?
- BucketOfFish
- · Replies 4 ·
Graduate Trouble with Hermitian operators?
- 21joanna12
- · Replies 1 ·
Graduate Zero from which the energy is measured
- ShayanJ
- · Replies 8 ·
Graduate Hermite and Legendre polynomials
- terp.asessed
- · Replies 5 ·
Graduate Vertex corrections 1-loop order Yukawa theory
- WannabeNewton
- · Replies 4 ·
Graduate Path Integral From Heisenberg Uncertainty?
- bolbteppa
- · Replies 9 ·
Graduate The relationship of orbital hybridization between quantum mechanics
- soulhunter
- · Replies 5 ·
Graduate Did the uncertainty principle arise from wave particle duality?
- RQwtq
- · Replies 8 ·
Graduate Derivation of Planck Radiation Formula
- Fantasist
- · Replies 17 ·
Graduate Pauli exclusion and superposition states
- thegreenlaser
- · Replies 9 ·
Graduate Does Quantum Physics Suggest the Universe Requires a Mind?
- captainnima
- · Replies 7 ·
Graduate The Uncertainty Principle Uncertainty
- UncertaintyAjay
- · Replies 70 ·
Graduate Particle deflection in a Stern-Gerlach experiment
- Sam McGowan
- · Replies 3 ·
Graduate Quantum wave destruction question
- jimmylegss
- · Replies 19 ·
Graduate Deriving Boltzmann's Distribution
- harbour
- · Replies 10 ·
Graduate Lattice QED, most likely path of fields --> no interactions?
- Spinnor
- · Replies 2 ·
Graduate Single particle Density Matrix meaning
- jajabinker
- · Replies 2 ·
Graduate What does chemical potential mean for bosons in optical lattices?
- KFC
- · Replies 6 ·
Graduate What Does It Mean Particles Only Have Location if Measured?
- kyphysics
- · Replies 2 ·
Graduate Casimir effect excludes photon modes*, same for two slit interferometer?
- Spinnor
- · Replies 1 ·
Graduate Matrix element calculation for harmonic oscillator ladder operators
- StephvsEinst
- · Replies 2 ·
Graduate Does quantum field theory supersede quantum mechanics?
- arupel
- · Replies 5 ·
Graduate Quantizing the conjugate operator to adjoint operator
- geoduck
- · Replies 1 ·
Graduate Legitimacy in visualizing the orbital overlap
- bearcharge
- · Replies 6 ·
Graduate How does entanglement play a crucial role in quantum computing?
- jerromyjon
- · Replies 9 ·
Graduate Expecting the possible event of zero probability
- victorvmotti
- · Replies 5 ·
Undergrad Why do photons have quantized energies if there are infinite frequencies?
- Gabriel Hoshino
- · Replies 7 ·
Graduate Fraction of electrons excited above fermi level
- blurrscreen
- · Replies 1 ·
Graduate Can the naked eye change the outcome of the double slit experiment?
- Thedavui
- · Replies 17 ·
Graduate Understanding Planck Scale Derivation: Energy, Length, and Uncertainty
- victorvmotti
- · Replies 3 ·
Graduate What is "smearing" and what is a "smeared field"
- Sicktoaster
- · Replies 7 ·
Graduate Pointless in talking about atomic term for a certain micro-state?
- bearcharge
- · Replies 4 ·
Graduate Must ensembles be homogeneous?
- normvcr
- · Replies 8 ·
Graduate What is a particle in quantum mechanics?
- arupel
- · Replies 3 ·
Graduate Superposition in the density matrix formalism
- VantagePoint72
- · Replies 4 ·
Graduate Is Pauli's exclusion principle a fundamental force?
- Whitefire
- · Replies 51 ·
Graduate Fine structure constant meaning
- TrickyDicky
- · Replies 6 ·
Graduate Do quantum splits occur at every quantum event in many worlds?
- bland
- · Replies 9 ·
Graduate Time dependent scattering theory - cross section
- tom.stoer
- · Replies 0 ·
Graduate Find Energy Levels for Harmonic Oscillator w/ Stretch-Only Spring
- catsarebad
- · Replies 1 ·
Graduate Spinor Representations: Intuitive Understanding
- gentsagree
- · Replies 1 ·