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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

Graduate Understanding Barandes' microscopic theory of causality
Graduate Can one photon be heard by multiple listeners on a radio station?
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Graduate Why Must Indistinguishable Particles in Quantum Mechanics Exhibit Symmetry?
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Graduate Can we measure the momentum of a particle in a specific position?
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Graduate Difference/similarity between superposition and uncertainty
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Graduate Observation and its role on objects/matter/particles
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Graduate Using Mathematica to solve for Jacobi Identity
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Graduate Can spin be modeled as a spinning vector until "measured" ?
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Graduate How Do Electrons Overcome Wave-Particle Duality in CRT Monitors?
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Graduate Poisson brackets commutator vs. quantum commtation relation
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Graduate What is a "source term" & what is it physically in QFT?
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Graduate Criticism of blog post on quantum pigeonhole principle
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High School Why QM (or rather, nature) is weird, in lay terms.
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Graduate Probability and probability amplitude.
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Graduate Does Schrödinger's Cat Age If Found Alive?
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Graduate Transferring information faster than the speed of light?
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Undergrad Interference pattern in a moving train
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Graduate Confusion related to momentum eigenstates
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Graduate Axiom of QM is Observation... but
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Graduate List of Quantum phenomenon effects
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Graduate Adding expectation values to a CHSH animation
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Graduate Unraveling Hadronization: Understanding Particle Decay and Feynman Diagrams
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Graduate Self-adjoint matrix, general form
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Graduate What allow matter wave propagation?
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High School Can Quantum Occur on Manifolds Beyond Spacetime?
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Graduate Is the Bound State of a Particle in a 1D Potential Energy Well Real or Complex?
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Graduate Classification of multipartite entanglement
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Graduate Photon information after passing the pupil
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Graduate Superconducting Resonator matches 3 Degree Kelvin Spectrum
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Graduate What is the role of these elements in entanglement
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Graduate Is single photon monochromatic or not?
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Graduate Quantum Measurement: Explaining Collapse & CPTP
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Graduate Do ladder operators give integer multiples of ћ?
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Graduate Performing Wick Rotation to get Euclidean action of scalar f
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Graduate Double slit experiment observation on and off
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Graduate Effect of spins on hydrogen atom ground state energy
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Graduate Double slit experiment detection
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Graduate Question concerning superposition
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Graduate How does QFT explain the world around us?
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Graduate What Are Filtering Type Observations in Quantum Mechanics?
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Graduate Propagation amplitude and time-evolution operator
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Graduate Operator r is a diagonal matrix in position representation
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Graduate Questions about measurement of a particle in superposition
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Graduate How is this equation for <x|P|x'> derived?
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Undergrad What is the true nature of a photon's collapse?
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Graduate Classical channel vs quantum channel
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Graduate Realism vs Locality in Quantum Entanglement
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Graduate Exploring E-e Repulsion: Stability of Half and Full P Sub-Shells Explained
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Undergrad Do photon apply a force to the electron ?
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Graduate Problem understanding Wigner's 1939 paper
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Graduate Superposition in relation to Counter factual definiteness
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Graduate Long-distance correlation, information, and faster-than-light interaction
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Graduate Hermitian Operators: Understanding How They Work
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Graduate Hamiltonian matrix for two electrons in a 1D infinite well
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Graduate Simulating long-distance correlations
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Graduate Penetrating the Rectangular Potential Barrier, E < V0
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Graduate What Are the Key Questions Surrounding Quantum Decoherence?
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Graduate Why do the off-diagonal terms not matter in density matrices?
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Graduate Difference between Bell and CHSH?
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High School Can a Quantum Observer Perceive Superpositions Inaccessible to Humans?
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Undergrad Photon question (collision or no collision)
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Graduate Quantum tunneling instantaneous
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Graduate How does the classical world emerge from the quantum world?
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Graduate Perturbation theory, Intermediate states, Virtual particles
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Graduate Understanding Pure and Mixed Quantum States in Entanglement
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Undergrad Why does a black body radiate in all the frequency spectrum?
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Graduate High-Fidelity Qubit Readouts: Definition & Overview
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Graduate Understanding Quantum Purification
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High School What Happens to a Cat in a Box Without Factorization?
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Graduate Peskin and Schroeder - page 4 - choice of notation
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Graduate Ground state energies and potential
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Graduate Non-locality: (FTL) 'influence' at all?
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Graduate Quantum fluctuations within an electromagnetic field
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Graduate Wigner function as average value of parity
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Graduate About the expectation value of position of a particle
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Undergrad What do they mean that energy is quantized?
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Undergrad Black Body radiation and thermal equilibrium
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High School Is it there or not (when we are not looking at it)?
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Undergrad Do Photons Have Mass and Why Does it Matter?
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Graduate Quantum Field Theory intro with flying field disturbances
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Graduate Integrate Laplacian operator by parts
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Graduate Are probability coefficients source for semitransparence
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Graduate Confused about EPR Thought Experiment
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Graduate Electron-positron annihilation
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Graduate Quantum mechanics is not weird (locality and non-locality weirdness)
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High School How do scientists work with nonlinear crystals
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Graduate Quantum entanglement by the means of beam splitters
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Graduate Delta Function Identity in Modern Electrodynamics, Zangwill
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Graduate Average momentum of energy eigenstates is always zero?
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Graduate Mathematical and actual measurements?
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Graduate Density Matrix and State Alpha
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Graduate Can virtual particles exist without their counterparts?
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Graduate From Classical to Quantum Mechanics
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Graduate Radio Transmissions: Is It Possible in a 1x1x1m Cube?
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Graduate Understanding superposition of states
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Graduate Understanding proof for Heisenberg uncertainty
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Graduate Time independent perturbation theory
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Graduate Decoherence in measurement apparatus
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Graduate Momentum-free spinors and the Dirac equation
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High School Bell's Theorem basic question on contextuality & locality
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Graduate Revisiting Neumaier's Newtonian Quantum: A Critical Perspective
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