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 How do I plot this probability density over time?
- baouba
- · Replies 3 ·
Insights What Are the Local Observables in Higher Prequantum Geometry?
- Urs Schreiber
- · Replies 1 ·
Graduate What is the purpose of introducing the spin state along H
- Pring
- · Replies 2 ·
Graduate Eigenfunctions of the angular momentum operator
- klpskp
- · Replies 1 ·
Graduate Multiple Measurements of a single Qubit
- Ruik
- · Replies 4 ·
Graduate Comparison between quantum entanglement and a classical version
- Adel Makram
- · Replies 142 ·
Graduate Can Any Traceless Self-Adjoint 2x2 Matrix Be Expressed Using Pauli Matrices?
- Frank Einstein
- · Replies 2 ·
Graduate How to Represent Eigenvectors in Column Matrix Form Using Bra-Ket Notation?
- iAlexN
- · Replies 7 ·
Graduate Diffraction in a single slit setting
- Ramesh Manian
- · Replies 3 ·
Graduate Dispersion operator in quantum mechanics
- Ananthan9470
- · Replies 1 ·
Graduate Dirac equation and structure of spacetime
- sandy stone
- · Replies 3 ·
Graduate Correlation funciton of a system with translational symmetry
- Jeremy1986
- · Replies 5 ·
Graduate Minimizing energy for external field
- ftft
- · Replies 1 ·
Graduate Particle in Ring: Solving Standing Wave
- maverick_76
- · Replies 6 ·
Graduate Superselection rules and non-observable Hermitian operators
- ShayanJ
- · Replies 4 ·
Graduate Why are the Higgs boson and graviton different?
- Daza154
- · Replies 1 ·
Graduate How do you define the Eigenstates for the number operator?
- space-time
- · Replies 5 ·
Graduate Test functions in wightman axioms
- naima
- · Replies 21 ·
Graduate How did Max Planck derive his constant H?
- Robert Miller
- · Replies 5 ·
Graduate Confusion about Slater Determinants
- MisterX
- · Replies 3 ·
Graduate Derivation of 1st order correction to energy degenerate spec
- Imperatore
- · Replies 1 ·
Graduate Poincare group representations
- Ravi Mohan
- · Replies 10 ·
Graduate How does equation (16) follow from equation (14) in Kohn-Sham theory?
- aaaa202
- · Replies 1 ·
Graduate Smallest possible spinning clock?
- jimgraber
- · Replies 7 ·
Graduate Time frame of entangled particles
- newjerseyrunner
- · Replies 3 ·
Graduate Conditions in Wave Function, and Integration
- IWantToLearn
- · Replies 4 ·
Undergrad Why is Black body radiation continuous?
- Bradley Tafe
- · Replies 13 ·
Graduate About photons and it's quality
- balu ram
- · Replies 3 ·
Insights Higher prequantum geometry III: the global action functional cohomologically
- Urs Schreiber
- · Replies 9 ·
Graduate Formula- first order correction to the n-th wave func
- Imperatore
- · Replies 4 ·
Graduate Griffiths Quantum Question. Unit-less Schrodinger Equation.
- DiogenesTorch
- · Replies 1 ·
Undergrad Making a program to model the Double Slit Experiment?
- Nitrogen
- · Replies 1 ·
Graduate Understanding photon direction
- JFS321
- · Replies 21 ·
Graduate Does the ubiquitousness of EM fields explain single particle
- sanpkl
- · Replies 3 ·
Graduate Representation of conjugate momentum
- AlonsoMcLaren
- · Replies 3 ·
Graduate Are electrons smeared objects prior to measurement?
- ajv
- · Replies 6 ·
Undergrad Why is a leading figure of 1 so special in uncertainties?
- Valour549
- · Replies 8 ·
Graduate Was does it mean if one views the wave function as "real"?
- ajv
- · Replies 3 ·
Graduate What does time-reversal symmetry mean?
- fricke
- · Replies 2 ·
Graduate What is the Yukawa interaction and why isn't it part of the standard model?
- AleksanderPhy
- · Replies 6 ·
Graduate Caculating ground state energy using GTO
- alaa74
- · Replies 4 ·
Graduate What Are the Values of Matrices β, αk, pk in the Dirac Equation?
- AleksanderPhy
- · Replies 2 ·
Graduate Deriving the time-dependent Schrödinger equation from de Broglie relations
- jaydnul
- · Replies 15 ·
Graduate Operators implementation with operators
- AleksanderPhy
- · Replies 4 ·
Graduate Wave function description and Schrödinger's equation
- AleksanderPhy
- · Replies 4 ·
Graduate What Are the Bounds in Position Space After a Fourier Transform?
- NickCouture
- · Replies 16 ·
Graduate Energy Conservation in Quantum Systems - Is it Possible?
- gonadas91
- · Replies 5 ·
Graduate Can communication between two distant points be instantaneous?
- BrianS
- · Replies 8 ·
Graduate Can QFT adequately describe the elusive properties of photons?
- Gal
- · Replies 5 ·
Graduate Heisenberg's Uncertainty Principle in quantum computing
- AndrewC19
- · Replies 1 ·
Graduate Looking for online videos on QFT using path integral method
- dyn
- · Replies 2 ·
Graduate What if a photon interacts with a slower photon in front?
- Gunsno Tsui
- · Replies 2 ·
Graduate Does index notation differ between relativity and QFT?
- dyn
- · Replies 2 ·
Graduate Wave Packet Confusion: Questions about Particle Creation and Motion
- DiracPool
- · Replies 6 ·
Graduate Do photons exist as particles or just as energy quanta?
- jorgdv
- · Replies 46 ·
Insights Higher Prequantum Geometry II: the Principle of Extremal Action - Comments
- Urs Schreiber
- · Replies 1 ·
Graduate Is transition dipole moment the cause or result of state transitions?
- maxverywell
- · Replies 11 ·
Graduate QM probability and normal distribution
- forcefield
- · Replies 17 ·
Graduate Are Quantum Mechanics and a rotating fan comparable?
- dayalanand roy
- · Replies 11 ·
High School Why quantum physics like a math theory till a physics theory
- stackprogramer
- · Replies 16 ·
Undergrad Why carbon is used in nano technology?
- pranav9189
- · Replies 1 ·
Graduate How do quarks determine which quarks to pair with?
- Ryan Reed
- · Replies 4 ·
High School Tom Campbell and his outrageous claim
- batmanandjoker
- · Replies 2 ·
Graduate The atom as a classical object
- Bruno81
- · Replies 12 ·
Graduate Measurement problem and computer-like functions
- jk22
- · Replies 71 ·
Graduate Probability of particle to exceed C?
- julcab12
- · Replies 3 ·
Graduate Quantum Tunnel Macro-Scale Structure Disassembly
- skulliam4
- · Replies 2 ·
Graduate Relationships between QM and QFT Particles
- Buzz Bloom
- · Replies 38 ·
Graduate Expansion of the solution if interacting KG equation
- ShayanJ
- · Replies 1 ·
Undergrad An electron in atom that rotate proton, has it radiation?
- stackprogramer
- · Replies 7 ·
Graduate Many interacting worlds interpretation of quantum mechanics
- DrClaude
- · Replies 14 ·
Graduate How Does a Spin-1/2 Particle Behave in a Magnetic Field with X and Z Components?
- Orbor
- · Replies 1 ·
Graduate What information can one obtain from a wave function?
- LSMOG
- · Replies 1 ·
Undergrad Is it possible for an electron to emit more than one photon during fluorescence?
- Opus_723
- · Replies 6 ·
Graduate Why wavefunction is not seen as substance distribution?
- zhanhai
- · Replies 6 ·
Graduate How Fourier components of vector potential becomes operators
- goodphy
- · Replies 1 ·
Graduate Position Vector in Wave Functions
- Rosie135
- · Replies 2 ·
Graduate Stimulated emission and polarization - a thought experiment
- Erik Ayer
- · Replies 8 ·
Graduate Can the Other Eigenvalue Be Measured After an Initial Measurement?
- mangokiller
- · Replies 2 ·
Graduate 2D Schroedinger eq. vs Bohr's model?
- arivero
- · Replies 3 ·
Graduate Zero-point energy and QED vacuum state
- JG1009
- · Replies 16 ·
Graduate What are the branches of Quantum Theory?
- Emilie.Jung
- · Replies 7 ·
Graduate How to get position operator in momentum space?
- azoroth134
- · Replies 5 ·
Graduate Second quantized hamiltonian change basis
- gonadas91
- · Replies 2 ·
Graduate Time Reversal Spin: Why Does it Require Flipping?
- aaaa202
- · Replies 2 ·
Graduate Superposition and stationary states
- DiracPool
- · Replies 5 ·
Graduate Can Light Really Have Mass According to Harvard-MIT Research?
- _Gandalf_
- · Replies 9 ·
Undergrad Double slit experiment (geometric maths problem)
- Generic Turtle
- · Replies 2 ·
Graduate Why does this anticommutator yield this particular result?
- space-time
- · Replies 2 ·
Graduate Can a single photon eigenmode transmit energy and information?
- exmarine
- · Replies 3 ·
Graduate Matrix elements of X³ and P² using ladder operators
- Activeuser
- · Replies 7 ·
Graduate Solving the Indefinite Integral for <xp>=<px>*
- Chip
- · Replies 27 ·
Graduate Diminishing wave-functions
- Einstein's Cat
- · Replies 6 ·
Undergrad Decay of Matter: Will It Last Forever?
- Ward
- · Replies 3 ·
Undergrad Quantum well, Types of triangular ones
- Dirac62
- · Replies 3 ·
Graduate Why is the creation operator not densely defined?
- FreeBiscuits
- · Replies 9 ·
Graduate Does quantum gravity challenge spacetime's rectilinear motion?
- dtrain92pitt
- · Replies 4 ·
Graduate Does Schrödinger's equation describe particle position, energy and spin?
- uestions
- · Replies 1 ·
Graduate Difference of Hydrogen Hamiltonian with relative mass particles
- Abigale
- · Replies 2 ·
High School How do quantum computers work and why are they different from classical computers?
- jhus96
- · Replies 13 ·