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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 Universal quantum physics
Graduate Question about Entanglement and SR
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Graduate Easy Question About the Number Operator
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Graduate Understanding Mach's Principle and the Existence of Objects in the Universe
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Graduate Why are all particles bosons or fermions?
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Graduate Is Gravity a Force or a Deformation of Space?
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Graduate Photon as a Mathematical Concept in Theoretical Physics
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Graduate Why Use the Dirac Equation for Graphene Instead of the Schrödinger Equation?
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Graduate Single Slit Experiment: Details & Equations
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Graduate Is Quantum Mechanics Evidence for a Holographic Reality?
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Graduate Bell theorem without hypotheses?
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Graduate Are photon probability amplitudes entangled in a two-filter setup?
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Graduate Photoelectric effect: V classically independent of intensity
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Graduate Do creation operators for different spins commute?
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Graduate About time symmetry in quantum physics
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Undergrad Is this credible: can the future affect the past
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Graduate Gauge transformation which counteract wave function
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Insights Visualizing the 2-D Particle in a Box - comments
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Graduate The Wick rotation in position space
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Graduate Help with Density Operators: Peter Yu Seeks Assistance
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Graduate Eigenstates in a 3-state spin 1 system
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Graduate How Does the Inverse Bell Theorem Challenge Quantum Measurement Predictions?
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Graduate Proving Coherent States are Eigenfunctions of Annihilation Operators
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Graduate Equivalence between Weyl relations and CCR
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Graduate The free particle wave function <x|p>?
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Graduate Is Multi-Particle Entanglement Possible in Quantum Systems?
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Graduate Finding the maxima or minima of band-edges?
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Graduate Photon wave function and "QED: the strange theory of light "
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Graduate How Does Unitarity Conserve Information?
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Undergrad Why is it called the ultraviolet catastrophe?
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Graduate Trying to understand electromagnetic waves in quantum theory
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Graduate How Does the Wavefunction Propagate for Infinitesimal Times?
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Graduate Light is faster than the speed of light
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Graduate Photoelectric effect [was: Quantum Mechanics Questions]
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Graduate How do I know if some objects represent the Lorentz Group?
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Graduate Complementarity in Physics and Biology
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Graduate New experimental proof of wave-function collapse?
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Graduate Legendre Transformation of Lagrangian density ?
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Graduate How Does Pilot Wave Theory Address Spontaneous Particle Transitions?
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Graduate Relation between phase space and path integral formulation?
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Graduate Arithmetic mean Fermi Dirac & Bose Einstein
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Graduate Compton effect and photoelectric effect
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Graduate Calculating Bohr Magneton: Need Help with Unit Conversion
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Graduate Triplets/Singlets and applying lowering S operator
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Graduate Average values of operators of potential and kinetic energy
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Graduate Norm of a vector related to coherent states
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Graduate Lagrange and Hamiltonian formulations
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Graduate Efficiency of CNOT Gates in Quantum Circuit Design
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Graduate Understanding E/t uncertainty and ##\vec{L}## uncertainty
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Graduate Black body re-emission of incident radiation
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Graduate How do I write taylor expansion as exponential function?
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Graduate Heisenberg's Microscope Derive Exactly Uncertainty Principle
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Graduate Construction of free energy using Landau theory
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Graduate Why are quarks fundamental particles?
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Graduate Free Particle & Square Well Potential Explained
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Graduate Quantum Entanglement Communication
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Graduate Does Holographic Theory Support the Idea of a Subjective Reality?
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Graduate How can Schrödinger's Cat be both alive and dead?
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Graduate Condensed matter problem with Feynman integral
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Graduate When will antibosons be generated?
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Graduate Is Every Physics Equation a Field?
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Graduate Superconductivity in the Presence of a Magnetic Field
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Graduate Wavelength of matter wave at v=0
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Graduate Angular Momentum commutation relationships
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Graduate Closure relation in infinite dimensions
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Graduate Attempts to explain quantum entaglement
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Graduate Implementing Arbitrary Unitary Ops with C-NOT & Gray Codes
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Graduate EPR Paradox: Entanglement & Opposite Spin Exploration
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Graduate Deriving Massive spin 2 propagator from polarization vectors
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Graduate Gauge Freedom Quantum Electrodynamics
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Graduate Question about Virtual Particles
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Graduate David Tong: Lectures on Quantum Field Theory
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Graduate Construction of the path integral
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Graduate When are quantum corrections significant for EM?
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Graduate Is it Possible to Transmit Classical Information with Quantum Network Flow?
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Graduate How to directly calculate the polarizability
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Graduate Energy of a particle near a potential well
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Graduate Nuclear Spin and Magnetic Resonance Imaging
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Undergrad What does this quote from Einstein mean?
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Graduate Creation and annihilation as measuring processes?
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Graduate Touching at atomic and macro scale
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Graduate Is there a connection between EPR and crossing symmetry in Feynman diagrams?
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Graduate Uncertainty of position in an infinite potential well
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Graduate Quantum Physics: The Reaction of a Photon Passing Through a Slit in a Plate
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Graduate Quantum fluctuations at radio frequencies
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High School Is the Net Charge of a Hydrogen Atom the Same in Excited State vs Ground State?
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Graduate Is the Mass of an Electron Arbitrary in Quantum Field Theory?
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Graduate Implications of Bell's theorem (Laloe paper)
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Graduate Apparent 'stillness' of macroscopic systems
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Undergrad What is the charge of an electron and the nature of stopping potential?
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Graduate Relation between electricity and magnetism?
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Graduate Quantum fluctuations at critical point
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Graduate Selection rules in electric dipole appoximation
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Graduate How Do Eigenvalues and Eigenvectors Determine a Quantum Density Operator?
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Graduate Is Matter Wave Travel Faster Than the Speed of Light?
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Graduate Proof of Cauchy-Schwarty Inequality
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Graduate Strength of Dirac Delta Potential
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Graduate Electron recoil due to photon emission
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Graduate Spin angular momentum operator queries
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Graduate Frustrated total internal reflection superluminal
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Graduate Understanding Energy Eigenstates: Orbitals and Energy Bands Explained
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