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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 What grade of decoherence to be a classical aparatus
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Undergrad I do not understand Variable density
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Graduate Hilbert Space in Quantum Mechanics
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Graduate Bitcoin Encryption and Quantum Computers (D-Wave)
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Graduate How long do we need to wait for Quantum Computers?
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Graduate Experimental verification of indistinguishability for free particles?
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Graduate Explain Energy Level Split for Two Atoms
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Graduate Operator equations vs. field equations
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Graduate Wavefunction after position measurement
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Graduate Relation between bare and full scalar booson propagator.
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Graduate What is common theme between U(1) SU(2) and SU(3)
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Graduate Does a stationary electron have a magnetic field?
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Graduate Quantum tunnelling/alpha decay
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Graduate Is Quantum Experiment Randomness a Result of Incomplete Knowledge?
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Graduate Are subatomic movements random
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Graduate Are wavefunctions specifically describing electrons?
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Graduate The radial probability density for the hydrogen ground state
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Graduate Superposition of macroscopic position states
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Graduate Quantization of hamiltonian with complex form
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Graduate Can Inertia Affect the Shape of Electron Clouds in Accelerating Ions?
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High School What is the 4th dimension and why is it so intriguing?
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Graduate Communication by means of entanglement for the layman
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Graduate Ladder operator for harmonic oscillator, I don't get a mathematical
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Graduate How Should We Think About Quantum Mechanics?
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Graduate QED Interaction Lagrangian with two different fermions
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Graduate Feynman diagrams - electrical charges
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Graduate Angular momentum operators as infinitesimal generators
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Graduate Why does Quantum Mechanics have objective statistical characteristic?
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Graduate Is the Spin Orbit Hamiltonian really Hermitian?
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Graduate Why quantum effects disappear at the classical level
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Graduate Is destruction of dbl-slit interference pattern wavefunction collapse?
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Graduate Replacing an operator of an angular momentum for a constant.
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Undergrad Is the Non-relativistic Schrodinger Equation the right one?
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Graduate Hydrogen Atoms under Magnification (paper)
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Graduate A question about Dirac equation.
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Graduate The cause of particle going through one slit of the other
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Graduate Pauli spin matrices and hbar/2
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Undergrad Electromagnetic radiation and photons
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Graduate Callan-Symanzik equation and the running coupling.
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Undergrad Undergraduate-level explanation of Dirac Equation?
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Graduate Why Does the Kraus Map Need to be Completely Positive?
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Graduate Finding probability of one state in another
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Graduate Why don't we perceive systems during decoherence?
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Graduate The Time Symmetry Debate in Quantum Theory
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Graduate What is the QED LSZ-reduction formula?
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Graduate Where can I find resources to learn the math behind quantum mechanics?
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Graduate Are quantum mechanical effects faster than speed of light?
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Graduate QED running coupling definition.
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Graduate Are Artificial Magnetic Monopoles Redefining Maxwell's Equations?
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Graduate Does mass depend on energy scale?
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Graduate What are some recommended free Quantum Optics PDFs for learning and reference?
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Graduate Ward identity from Ward-Takahashi identity?
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Graduate Quantum eraser and the experimenter's retina?
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Graduate What are the properties and applications of ferromagnetic thin films?
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Graduate Why Lagrangian is Used in Quantum Field Theory
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Graduate Entanglement Hypothesis by de Broglie in 1935
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Graduate General Gauge Invariance Problem
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Graduate Wave Function Collapse and Entropy
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Graduate Time Evolution of Measurables(Hamiltonian)
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Graduate REU student working on QFT seeking help
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Graduate Hamiltonian of linear harmonic oscilator
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Graduate Do you have any interest in Quaternionic Quantum Mechanics?
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Graduate Quick question about Kronecker delta function
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Graduate Is it possible to create a higher energy photon from two lower ones?
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Graduate Bell Proof Against Hidden Variables in EPR
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Graduate Real Time Entanglement from the Zeilinger Group
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Graduate Definition of a wavefunction as a function of position.
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Graduate Is coherence a single photon phenomenon?
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Graduate Probability Greater than 1 in λφ^4 Theory
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Graduate Could packet round-trip times be an analog to qubits?
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Graduate I need all the information about theHeisenberg's uncertainty principle
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Graduate Can Individual Gluons Be Extracted from a Nucleus?
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Graduate What is the difference between quantum mechanics and QFT?
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Graduate Photon emission by an excited hydrogen atom
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Graduate Classical Limit formula for differential cross section for Hard Sphere
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Graduate Common eigenvalues for two states or two bases of same state?
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Undergrad Why does vacuum have properties?
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Graduate Is E Always Greater Than V(x) in the Time-Independent Schrodinger Equation?
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Graduate (Peskin and Schroeder) Numerator of vertex correction
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Graduate Statistical Operator: Explaining Temperature in Physics
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Graduate Quasi-historical question about black body radiation
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Graduate Shouldn't the mass of an electron be uncertain?
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Graduate Unitarity angular momentum operators
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Graduate Basic question on quantum mechanics and choice
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Graduate Cassimir's Dark Energy Plate Experiment
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Graduate Can UV photons spontaneously convert into IR photons, and vice versa?
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Graduate How meaurements increase entropy?
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Graduate Degenerate perturbation theory degeneracy not lifted by perturbation
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Graduate Http:www.univie.ac.at/qfp/publications3/pdffiles/1999-10.pdf real?
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Graduate So what exactly is entanglement?
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Graduate Non-locality and the Bekenstein bound?
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Graduate Neutron Spin Time Evolution in Interferometer
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Graduate Can Entropy Decrease After a Projective Measurement?
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Graduate Quantum Behavior As Extreme Classical Behavior
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Graduate If decoherence matters in 2 different observables
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Graduate Field transformations in Weinberg's QToF
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Graduate Spectrum of the Hamiltonian in QFT
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Graduate Vacuum expectation values of combinations of ##a^\dagger## and ##a##
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Graduate Wick theorem for particle-antiparticle annihilation
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Graduate Four Handed Entanglement - With a Catch
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