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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 Valid local explanation of Bell violations? (Pegg et al., 1999; 2008)
Can Electron Teleportation Occur in Small Time Intervals?
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Sterman's QFT - 2.7b (on functional derivatives)
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What is the accepted interpretation of the quantum nature of matter?
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QM and Crook's Fluctuation Theorem
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The Significance of the Hermition Conjugate in Wave Functions
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Kim's delayed choice quantum eraser -- Is it really delayed?
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Delayed choice measurement subsequent analysis
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How is speed of light in glass defined in QM/QED?
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Empty space in atoms vs orbits
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Can hidden variable theories assign values to observables?
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Understanding Eigenfunctions and Operators in Quantum Mechanics
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Understanding Slater Determinants Using He 1s2 & 1s12s1
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How different can quantum vacuums be?
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Relationship between measurement and temperature
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Raman Spectroscopy: Why Peaks of Stokes Higher than Anti-Stokes?
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Resolution to the Delayed choice quantum eraser?
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Polarisation destroying interference pattern for double slit
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Experimental verification of matter waves?
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Entanglement Geometry: Extra-Dimensional Spacetime or Wave Nature?
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Can We Track a Photon's Path in the Double Slit Experiment?
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Does classical vacuum permittivity have a QM analog?
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Kronecker function products - matrix format
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What if Planck Constant is Zero? Effects in Quantum Explored
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Insights Some sins in physics didactics - comments
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Do momentum and kinetic energy operators always commute for a free particle?
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How to estimate the power of laser beam
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Decoherence and double-slit with eraser
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Particle in a box with the finite depth
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About wavepacket unit and probability
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Bra's and Ket's independent of basis?
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How 2 particles become entangled?
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QED renormalization in Peskin's
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Exact solutions for potential V=(|x|-a)^2
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Is Light a Particle or a Wave According to Quantum Theory?
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Wavefunction collaps past/future effect
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What is QCD (quantum chromodynamics)?
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What is the Entropy of a System with Doubly Degenerate Energy Level?
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Double slit experiment with 2 detectors
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What Does the Linear Combination of Ψn Bases Mean for Quantum States?
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Probability function being imaginary?
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What is the equivalence to the free field in the interaction picture?
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Deduction of the action of this unitary on the wavefunction
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Electron wave function in quantum cascade laser?
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Pauli Exclusion Principle: how does an electron know its state?
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What if elementary particles do have size
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QM & Consciousness: Has Theory Been Disproven?
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Why there is mod 2pi in Berry phase?
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Why are quantum computers faster than classical computers?
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Particle in a Box: Degeneracy Explained
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Understanding Electron Movement with Heisenberg's Uncertainty Principle
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Principal quantum number n is an integer, Why?
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Why Does Zitterbewegung Imply Double the Expected Relativistic Energy?
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Lagrangian of a Photon: Understanding the Fundamental Particle in Light
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Practical stuff in quantum physics
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Probability over universe = 0 or 1?
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Mathematics of entanglement in quantum erasers
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Understanding the Unruh Effect on Accelerated Teapots and Boiling Water
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Do wave functions go to zero at ~ct?
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Why chiral fermions don't exist in odd dimensions?
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Inner product for vector field in curved background
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What does the g-factor, from say ESR, tell you?
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Understanding Bell Theorem: A Noob's Perspective
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BEC question about number of excited particles
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I wonder what the name of this normalization process is
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Euclidean Feynman rules for QED
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Explanation of wave-particle picture, light
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Hamiltonian in the position basis
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Entangled "information" sent faster than light (....not)
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The Uncertainty of Time in Quantum Mechanics
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Vacuum state Lorentz invariance
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Transform from Magnitude of P to R
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Resting masses of isolated neutrons versus neutrons in atoms
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Product of two exponentials of different operators
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How Does Chirality Affect the Dirac Adjoint in Quantum Mechanics?
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Are Additional Postulates Hidden in the Quantum Derivation from Galilei Algebra?
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Does charge conjugation affect parity?
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Eigenfunction/Eigenvalue question
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Would an idea be a particle or a wave or both?
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Why does not the graviton cause wavefunction collapse?
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What is the physical definition of a state in quantum mechanics?
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Pilot Wave Theory: A Different Perspective on Quantum Mechanics
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Where can I get Casimir plates?
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Locality, unitarity & vacuum energy
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What is the collision probability for an energetic photon in free space?
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How Do Tensor Products Model Multi-Particle Operators in Quantum Mechanics?
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What does Higgs partcle impart mass to?
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Issue with integral in dimensional regularization
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Understanding Photon Polarization with Dirac's Principles of Quantum Mechanics
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Very basic question on Hamiltonian representation?
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Quantum fluctuations and order
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Collapse with and without measurement
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Quantum oscillator from position to momentum space
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Why does the rate of transitions depend on the population of the ground state?
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Rotational Spectra of Diatomic Molecules
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What causes paramagnetism and diamagnetism
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How Does the Quantum Monty Hall Problem Challenge Classical Probability?
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Definition of the Path Integral
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Computing Entanglement Entropy of CFTs in the Large-c Limit
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Is the cat alive, dead, both or unknown
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Is the wave function more like a soccer ball, or a golf ball
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