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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 "The wavefunction never collapses"
Graduate Renormalization and scale dependence
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Graduate Is psi-function really a cloud of probability?
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Graduate How is total angular momentum conserved in particle physics?
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Graduate Distance between equilibrium and nonequilibrium states
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Graduate Dynamical Variables As Operators
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Quantum physics doesen't say that our thoughts manifest in reality
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Graduate How Did Paul Dirac's E=mc² Lead to the Discovery of Antimatter?
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Graduate Are composite particles, like atoms, identical bosons/fermions?
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Graduate Sniping slits in double slit experiment?
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Graduate Positron to replace proton as the nucleus of an atom
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Graduate Radial polarization and optical vortex
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Graduate Comparing Gauge and Higgs Fields
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Graduate Quantum state: Reality or mere probability?
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Graduate What is the fundamental theory of quantum mechanics?
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Graduate Quantum weirdness in everyday life
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Graduate Simplifying Operator and Dirac Algebra for Kets
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Graduate Modeling CO2 Laser as a 4-Level Laser
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Graduate Are normalization constants of wave equation time dependent?
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Graduate Spin, linear momentum and orbital angular momentum
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Graduate Polarization of a photon how do we know?
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Undergrad What causes stimulated emission to occur in quantum mechanics?
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Graduate What are virtual particles and why do they have large implications?
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Graduate Is there a blue-anti blue gluon?
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Undergrad Walking sinusoidal as you follow a RF Standing Wave?
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Graduate Photon Momentum varies along waveform?
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Graduate Understanding Quantum Physics Identities
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Graduate Spin/angular magnetism Bohr magneton quantum thing
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Graduate What Is Psi in Quantum Mechanics?
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Graduate Identical particles and Feynman diagrams
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Graduate Gauge Invariance in QM: P_y - Conserved or Not?
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Graduate How an electromagnetic amplitude becomes QM probability?
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Graduate Analyzing Innsbruck Bell experiment raw data sample
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Graduate Are Particles or Fields More Fundamental in Quantum Mechanics?
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Graduate Is |psi|^2 Really Just a Probability Density in Quantum Mechanics?
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Graduate Why is entanglement necessary for understanding quantum mechanics?
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Graduate Wave packet with increasing time
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Graduate Understanding the Incompatibility of Discrete Space and Time with Relativity
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Graduate Need help modelling Quantum Tunnelling Composites
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Graduate Does energy level determine degeneracy in 3D systems?
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Graduate Question on angular momentum of triplet and singlet wavefunctions
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Graduate Solving Schwartz QFT Eqn 5.26 to Get Eqn 5.27
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Graduate Trying to understand quantum mechanics
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Graduate Different forms of Schrodinger equation
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Graduate FTL Neutrinos: Investigating the Failure of the OPERA Experiment
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Graduate What sub-field of quantum information should I focus on for my research?
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Graduate To what extent can one bring classical equations to quantum mechanics
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Graduate Quantization & Discontinuity in Physics: Possible?
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Graduate Background in waves required for quantum mechanics
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Undergrad Electron energy states and photon emission?
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Graduate Hamiltonian Operator: Difference vs. E?
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Undergrad Double Slit Experiment - Question about states of observations.
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Graduate Stationary States in Griffiths Intro to QM
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Graduate Double slit experiment with multiple sources of particles
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Graduate Are PVMs more fundamental than POVMs from the view of decoherence?
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Graduate Do photons bounce into each other?
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High School What experiment reveals the number of protons and neutrons in an element?
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Graduate Alpha Ray Interactions with Au and Be: Unraveling the Neutron Tear Out Mystery
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Graduate Origin of infrared divergences in perturbation theory
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Graduate "Physical system" in quantum mechanics ?
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Undergrad What Are the Best Books for Beginners in Quantum Mechanics?
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Graduate What is the gauge boson for magnetism and its relation to electricity?
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Graduate Hesienberg Uncertanity Principle
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High School Alpha Rays and the Movement of Atoms' Nucleus
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Graduate Understanding Randomness: Differences in Classical Physics, SR, GR, and QM
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Graduate Electron Positron Annihilation
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Graduate Question about the Quantum Zeno Effect
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Graduate Spin Direction for Massless Particles
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Graduate Erwin Schrödinger Ghost Particles & Energy of Molecules & Atoms?
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Graduate Position-momentum commutation relation
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Graduate Does the wf entangle everything in the neighborhood?
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Graduate Shifting of the wall problem II
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Graduate "Asking photons where they've been" -- the DFBV experiment
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Graduate What makes a superposition of states a coherent superposition?
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Graduate Is There Absolute Proof of the Casimir Effect and Inflation Theories?
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Graduate Quantum eraser thought experiment?
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Graduate Quantum Bayesianism: Resolving the Interpretation Problem of Quantum Mechanics
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Graduate Spontaneous generated coherence
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Graduate Naimark extension for continuous variables
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Graduate Bell's theorem and local realism
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Graduate The Frothy Space-Time Quantum Foam What is beyond the Foam?
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Graduate What is the explanation for the strange behavior of matter at a quantum level?
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Undergrad Adding Two Spins to Vector Quantities
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Graduate Renormalization of the non-linear [itex]\sigma[/itex] model
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Graduate Z factor in renormalization disappeared?
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Graduate Need help regarding transition dipole moment
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Graduate Commutator of function of operators
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Graduate How Does Quantum Entanglement Work in Physics?
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Graduate There is only one electron in the universe
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Graduate Position Eigenstates: Measurement & Imperfect Performance
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Graduate Are shell electrons accompanied by virtual neutrinos?
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Graduate What is the solution to the shifting of the wall problem in quantum mechanics?
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Graduate Momentum and energy eigenvalues
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Graduate Scattering Within Rectangular Waveguide With A Step Obstacle
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Graduate Quantum Fluctuations and Big Bang
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Graduate What happens with non orthogonal eigenvectors
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Graduate How to Solve the Dirac Equation for a Two-Particle System?
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Graduate Momentum cutoff equivalent to discretizing space?
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Graduate The Double Slit Experiemts & Half Silver Mirror Question?
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Graduate A few conceptual questions on time evolution of quantum states
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Graduate Susskind about QM - Reversed Time - Experiment?
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