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 Superselection rules and non-observable Hermitian operators
- ShayanJ
- · Replies 4 ·
Graduate Higgs vs Graviton: Causes of Mass & Gravity
- 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 Understanding the Expression (16) in Kohn Sham Energy Expansion
- 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 - Comments
- 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 Time-Reversal Symmetry Explained
- fricke
- · Replies 2 ·
Graduate Yukawa Interaction: What Is It & Why Not Part of 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 Question about deriving TE Schrodinger WE
- 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 QFT Index Notation: A Beginner's Guide
- dyn
- · Replies 2 ·
Graduate Wave Packet Confusion: Questions about Particle Creation and Motion
- DiracPool
- · Replies 6 ·
Graduate Are photons really particles or just a misconception?
- jorgdv
- · Replies 46 ·
Insights Higher Prequantum Geometry II: the Principle of Extremal Action - Comments
- Urs Schreiber
- · Replies 1 ·
Graduate Transition dipole moment: cause or result of interaction?
- 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 Can Quantum Phenomena Be Explained by Many Interacting Classical Worlds?
- 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 Understanding Wave Functions: Insights & Analysis
- 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 Questions on Photon Excitations: Eigen-Modes & Boundary Conditions
- exmarine
- · Replies 3 ·
Graduate Ladder operators and matrix elements...
- 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 Creation Operator is not a densely defined operator....
- FreeBiscuits
- · Replies 9 ·
Graduate Does quantum gravity argue that space is not singularly....
- dtrain92pitt
- · Replies 4 ·
Graduate Clarification on Schrodinger's Equation
- uestions
- · Replies 1 ·
Graduate Difference of Hydrogen Hamiltonian with relative mass particles
- Abigale
- · Replies 2 ·
High School Understanding Quantum Computers: A Beginner's Guide
- jhus96
- · Replies 13 ·
Graduate Question about QM description of metallic conduction
- samgrace
- · Replies 4 ·
Graduate Massless fermions Klein tunneling
- Stanley514
- · Replies 11 ·
Graduate Can the following explain randomness in quantum events?
- Idunno
- · Replies 28 ·
Graduate How quantum confinement can be obtained?
- Peter Donckers
- · Replies 1 ·
Graduate How did physics operators come into being?
- Vinay080
- · Replies 6 ·
Graduate Special Relativity: Lenght contraction and a photon.
- Ianchez
- · Replies 4 ·
Graduate How Many Basis Vectors in Hilbert Space?
- RyanUSF
- · Replies 14 ·
Graduate Measuring spin of a free electron
- Frank Einstein
- · Replies 3 ·
Graduate Can the wave function be considered a real wave?
- ajv
- · Replies 2 ·
Graduate What is a fundamental particle according to QFT?
- ajv
- · Replies 17 ·
Graduate How do they measure quark masses? Quark charges?
- H_Hernandez
- · Replies 3 ·
Graduate Negative Probabilities and Macroscopic Realism in Quantum Field Theory
- tzimie
- · Replies 22 ·
Graduate Quantum Optics fails to explain origin of natural line width?
- keyboarder
- · Replies 10 ·
Graduate Charge conjugation matrix and Dirac equation's solutions
- StephvsEinst
- · Replies 6 ·