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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.

Quantum Interpretations and Foundations

Undergrad On computing quantum waves exactly from classical action
Graduate When to use H when to use U(H)?
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Graduate Can Momentum and Spin Be Measured Simultaneously?
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Graduate Is there a universal equation for all spin-2 particles?
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Graduate How can spin-2 be represented as a tensor?
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Graduate Is Light a Wave or a Particle?
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Graduate Mixed State QM: Unpacking the Non-Diagonal Density Matrix
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Graduate Position & Momentum: Detectors, Measurements & Identifiers
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Graduate Zero-point energy, dark energy and space
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Graduate Exploring the Mystery of Blackbody Radiation: A Quantum Conundrum
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Graduate Probability Density or Expectation Value?
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Graduate Number of vibrations in a photon
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Graduate Programming Binary Addition with a Turing Machine
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Undergrad Does Hydrogen's one electron spin?
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Graduate Angular Momentum: Deriving S_z Expression
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Graduate Question on negative temperature
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Graduate Effect for time lag in quantum erasure?
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Graduate Question about the experimental behavior of entangled particles.
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Graduate Understanding Quantum Theory: A Beginner's Guide to Particle Physics
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Graduate Differentials, pseudo-differentials, and locality
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Graduate Electron two slit experiment with gradual collapse ?
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Graduate Electron Transitions: Superposition of States
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Graduate Particle in a box with one finite wall and one infinite wall
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Graduate Different representations of SU3 and resultant multiplets
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Graduate Questions about Heisenberg's Uncertainty Principle & Vacuum Energy
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Graduate When the electron prob wave spreads what happens to the electron?
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Graduate Time noninvariance in quantum physics
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Graduate What are the fundamental equations of Quantum Mechanics?
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Graduate How Do Fermion and Scalar Fields Interact in Lorentz Invariant Terms?
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Graduate Free Field Vacuum: What Does It Correspond To?
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Graduate Theoretical Quantum Entanglement Question
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High School Electron Movement: Understand Orbit Around Nuclies
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Graduate London- vs Josephson penetration depth
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Graduate What potential can model interactions at boundary walls?
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Graduate Wavelength of Proton: Kinetic Energy = Internal Energy
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Graduate Freaky Physics Proves Parallel Universes Exist
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Graduate Why is the formula for Compton scattering not affected by binding energy?
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Graduate Measuring momentum in a square well
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Graduate What prevents quantum fluctuations from resulting in new universes?
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Graduate Renormalization of Logarithmic divergences
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Undergrad Help Layman Understand EM Wave Propagation
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Graduate What good resources are there to learn about physics
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Graduate Proving Interaction picture field satisfies KG eqn
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Graduate Measuring Photon Force on a Sensitive Scale
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Graduate Relevance of supersymmetric quantum mechanics?
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Graduate The state of magnetism and its possible correlation to gravity
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Graduate What Makes Ferromagnetic Materials Unique in Quantum Magnetism?
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Graduate Electron Tunneling & Waveguides: A Formal Analogy
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Graduate Entanglement correlations, singlet spin state
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Graduate Article says slow light caused by absorption/re-emission?
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Graduate Explore the Concept of Density Matrix with Jensa: A Comprehensive Guide
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Graduate Trouble understanding matter as waves
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Graduate Identical Fermions in an infinite square well
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Graduate Global SU(N) Symmetry and Complex Scalar Invariance
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Graduate Spherically symmetric potential and spherical harmonics
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Graduate Observer types to make the wavefunction collapse.
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Graduate Understanding Operator Equation in Quantum Mechanics
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Graduate Unitary Operator on a Tensor Product
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Undergrad Alternative Explanation for Double Slit Interference
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Graduate Point-like particles, form factors
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Graduate Warping spacetime, parrallel universes
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Graduate Pauli Matrices in higher dimensions
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Graduate Background that particles sit in
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Undergrad What can you talk about quantum mechanics?
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Graduate Teleportation: Scientific research
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Graduate How would one collapse a molecular wavefunction?
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Graduate Schrodinger solution to hamilton-jacobi
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Graduate How does one type of detector determine path of photon?
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Graduate Problem with complex conjugates and the Time Independent Schrodinger equation
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Graduate Theoretically Destroying a Black Hole
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Graduate CP-volation -> violation of 2nd law of thermodynamics?
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Undergrad Why these four 2p orbital electrons have higher energy state configuration?
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Graduate Quantum effects Photosynthesis
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Graduate Calculating Phase Space Volume for Canonical Ensemble
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Graduate Why does decoherence not fully solve the measurement problem?
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Graduate What is the significance of the scalar output in Hamiltonian action?
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Graduate How to count on-shell DoF of a gauge theory?
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Graduate Statistical mechanics of antiparticles
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Graduate A quantity from schrodinger
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Graduate Enforced symmetry in multi-electron problems
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Undergrad Help with Electron-configuration
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Graduate Wave equations and Schrodinger's equation
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Graduate Stationary states for even parity potential
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Graduate Measurement problem in double slit experiment
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Graduate Semi-classical quantum/Poisson Brackets
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Graduate Schrödinger local and deterministic?
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Graduate Micron sized object observed in quantum state
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Graduate What does color represent in quantum chromodynamics?
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Graduate Gluons relating to quantum chromodynamics
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Graduate A plane wave vs the bound state of Hydrogen atom: orthogonal?
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High School Story of Operators Creation/Anihilation
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Graduate Quantum Field Theory - variational principle
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Graduate Expected value of the spin tensor operator
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Graduate Description of Wave Function Collapse
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Graduate Clarifying Boundary Conditions and Scalar Field Quantization in QFT
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Graduate Proof in heisenbergs uncertainty relation involving bra-ket
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Graduate Correspondence betw. Hamilton-Jacobi & Schrödinger eqns.
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Weird Probabilities: Is It Possible?
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Graduate Can Single Photons Create Dark Bands in Diffraction Patterns?
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Graduate Mass moving through Space/Time = Gravity?
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Undergrad Learned that light is electromagnetic waves
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