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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 Turing machine and quantum computers
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Graduate Second order correction to the wavefunction
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Graduate Chain rule for functions of operators?
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Graduate Dyson-Wick formalism in second-order QED - trouble with derivation
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Graduate Light-front coordinates and the vacuum.
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Graduate What Conditions Must a Matrix Meet to Be a Density Matrix?
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Graduate Space-Time — Momentum-Energy uncertainty relations
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Graduate Counting and Grouping Feynman Diagrams
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Graduate Deriving Equation (3) from A. Zee's "QFT in a Nutshell" Chapter I.5
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Graduate Can Linear Combinations of Non-Degenerate Eigenstates Form New Eigenstates?
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Graduate Do Massless Particles Interact in Particle Physics?
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Graduate Is Quantum Mechanics Linked to Divine Action?
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Graduate Difference among energy level,energy state and quantum state
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Graduate Proof that commuting operators have a shared base of eigenfunctions
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Graduate Fine structure, and hyperfine structure
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Graduate Is intrinsic momentum a fundamental property of particles?
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Graduate Spin-1/2 Particle Transformation: Spin-Z to Spin-X
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Graduate How does the concept of wave functions apply to large objects?
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Graduate How Can Photons Be Manipulated to Move in the Same Direction?
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Graduate What Happens to a Charged Particle When Its Oscillator Potential Vanishes?
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Graduate Elementary question:[A,B] = [A-<A>, B-<B>]
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Graduate Does it make sense to define operators like r,theta, phi
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Graduate Question on Completeness of a set of Eigenstates
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Graduate Home Quantum Physics Experiments
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Graduate Single slit diffraction experiment
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Graduate Is there gravity at small scales?
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Graduate Wondering about the origins of light?
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Graduate Zeroes of zeta function as energy levels?
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Graduate The meaning (and validity) of fractional occupations in QM
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Graduate Negative pressure in quantum mechanics
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Graduate Measurement of two components of electron spin
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Graduate S-matrix formula from Lippmann-schwinger eqn
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Graduate Scale of uncertainty principle
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Graduate Are Degenerate Energy Levels the Same as Ground States in Quantum Mechanics?
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Graduate Fundamental Measurement of Subatomic Particles: Techniques and References
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Graduate Wondering about the particle treatment of light?
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Graduate Where is the Electron in Schrodinger's Cat Paradox?
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Graduate Is action truly an observable in physics?
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Graduate How do we associate real measurements with theoretical quantities?
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Graduate Rotational Invariance: Bosons vs Fermions
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Graduate Does matter convert to photons only?
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Graduate Transitions caused by circularly polarized light
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Graduate How Can I Improve My Understanding of NMR Modeling and Experiments?
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Graduate Analogue of the S.E. for photons?
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Graduate Why is entanglement essential for quantum computing?
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Graduate Minkowski vacuum: Poincare invariant, quasi-free state
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Graduate Fock space in interaction theory
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Graduate Creating Models for Ed Witten's M-Theory
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Undergrad Question about spontaneous creation.
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Undergrad Light Transfer (Light Transmittance)
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Graduate Can I Walk Through a Wall with Quantum Mechanics?
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Graduate Exploring Left & Right Spinor Fields in Srednicki
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Graduate Ionizing solutions to the hydrogen atom
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Graduate Dispersion relation and Photonic Energy and Momentum Equations in QM
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Graduate Attraction between two charges in QED
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Graduate Is there a quantum nuclear theory?
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Graduate If two operators commute (eigenvector question)
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Graduate Hawking radiation redshift (?)
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Graduate Spin-spin relaxation time in water
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Graduate Why need *complex* probability amplitude?
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Graduate Better than Bell: The GHZM Effect
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Graduate Peskin-Schroeder - Eqn 2.45 derivation
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Graduate Quantum mechanics and randomness
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Graduate Einstein against Quantum theory
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Graduate Propagator using cauchy integral
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Graduate Electromagnetic mass of the electron
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Graduate Diagonalize a non-hermitian matrix
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Graduate Dalembertian Operator: Symbolized by Empty Box?
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Graduate Probability laws of quantum mechanics
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Undergrad Quantum physics and technology
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Graduate Forrest Gump meets the Elitzur-Vaidman bomb tester
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Graduate Delayed-choice double slit experiment
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Graduate Need some convincements on microcausality
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Graduate Is there an upper limit to e/m frequency?
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Graduate What is the Role of Wavefunction in DFT for Molecular Systems?
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Graduate How big is a photon and what does it look and behave like?
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Graduate Does the Wave Function Predict the Most Likely Position of an Electron?
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Graduate Electron/photon interference pattern questioned
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Graduate Reference suggestions for a struggling chemist.
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Graduate Relationship between mass and interactions
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Graduate Jordan wigner transform and periodic boundary condition
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Graduate What Precisely Does Preferred Foliation Mean?
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Graduate What does the Uncertainty Principle say about the location of photons?
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Undergrad Velocity of light while coming out a denser medium
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Graduate How to show time ordering is frame independent
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High School Why Atoms Come Together: Understanding Matter Formation in Nature
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Undergrad What Is the Difference Between Color Neutral and Colorless in Quantum Physics?
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Graduate What Is the Difference Between Hamiltonian and Hermitian Operators?
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Graduate Having trouble with time (in)dependant solutions
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Graduate Time derivative in the Heisenberg picture?
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Graduate Does a photon have a width and height ?
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Graduate How does one arrive at this equality?
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Graduate Understanding Spinors & Tensors in QM & Algebraic Topology
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Graduate What are the properties of Rigged Hilbert Space compared to Hilbert Space?
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High School EPR Paradox Failure Explained for High Schoolers
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Graduate How do a and a^\dagger transform under time reversal transformation?
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Graduate Uncertainty about Uncertainty Redux
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Graduate A few more questions about quantum teleportation
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Graduate Is Quantum Suicide a Viable Concept in Real Science?
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Information Abou FTL Video Needed
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