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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)
Solving the Mystery of Schrödinger's Cat and Its Qualified Observer
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The Polarization of electron ?
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Wave Particle Duality and its relation to the Wave Function
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How is heat caused by photons?
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Uncertainty principle and angular momentum
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Time and alternate realities/universe
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Signicance of positive and negative frequencies?
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Quantized Dirac Field Interacting with a Classical Potential
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Anti-Zeno Effect: Verified & Explained
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Question about an electric circuit and quantum physics
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Position-Momentum Uncertainty Principle
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Program for Traces of Dirac matrices
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Particle in Well: Localization & Beyond
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What Is Quantum Foam and How Does It Shape Our Understanding of the Universe?
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Very basic question(s) about photons
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Mass terms in quantum field theory
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Why must the wavefunction be continuous in quantum mechanics?
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Operator B has a commutator [A,B]
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State vs Orbital: What's the Difference & Pauli Exclusion Principle
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Boundary terms in hilbert space goes vanish
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Understanding Hermitian Conjugates of $\psi^{\dag}\bar{\sigma}^{\mu}\chi$
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What is the significance of the number 137 in quantum physics?
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Turing machine and quantum computers
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Second order correction to the wavefunction
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Chain rule for functions of operators?
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Dyson-Wick formalism in second-order QED - trouble with derivation
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Light-front coordinates and the vacuum.
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What Conditions Must a Matrix Meet to Be a Density Matrix?
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Space-Time — Momentum-Energy uncertainty relations
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Counting and Grouping Feynman Diagrams
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Deriving Equation (3) from A. Zee's "QFT in a Nutshell" Chapter I.5
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Can Linear Combinations of Non-Degenerate Eigenstates Form New Eigenstates?
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Do Massless Particles Interact in Particle Physics?
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Is Quantum Mechanics Linked to Divine Action?
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Difference among energy level,energy state and quantum state
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Proof that commuting operators have a shared base of eigenfunctions
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Fine structure, and hyperfine structure
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Is intrinsic momentum a fundamental property of particles?
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Spin-1/2 Particle Transformation: Spin-Z to Spin-X
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How does the concept of wave functions apply to large objects?
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How Can Photons Be Manipulated to Move in the Same Direction?
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What Happens to a Charged Particle When Its Oscillator Potential Vanishes?
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Elementary question:[A,B] = [A-<A>, B-<B>]
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Does it make sense to define operators like r,theta, phi
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Question on Completeness of a set of Eigenstates
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Home Quantum Physics Experiments
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Single slit diffraction experiment
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Is there gravity at small scales?
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Wondering about the origins of light?
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Zeroes of zeta function as energy levels?
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The meaning (and validity) of fractional occupations in QM
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Negative pressure in quantum mechanics
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Measurement of two components of electron spin
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S-matrix formula from Lippmann-schwinger eqn
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Scale of uncertainty principle
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Are Degenerate Energy Levels the Same as Ground States in Quantum Mechanics?
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Fundamental Measurement of Subatomic Particles: Techniques and References
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Wondering about the particle treatment of light?
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Where is the Electron in Schrodinger's Cat Paradox?
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Is action truly an observable in physics?
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How do we associate real measurements with theoretical quantities?
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Rotational Invariance: Bosons vs Fermions
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Does matter convert to photons only?
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Transitions caused by circularly polarized light
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How Can I Improve My Understanding of NMR Modeling and Experiments?
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Analogue of the S.E. for photons?
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Why is entanglement essential for quantum computing?
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Minkowski vacuum: Poincare invariant, quasi-free state
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Fock space in interaction theory
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Creating Models for Ed Witten's M-Theory
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Light Transfer (Light Transmittance)
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Can I Walk Through a Wall with Quantum Mechanics?
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Exploring Left & Right Spinor Fields in Srednicki
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Ionizing solutions to the hydrogen atom
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Dispersion relation and Photonic Energy and Momentum Equations in QM
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Attraction between two charges in QED
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Is there a quantum nuclear theory?
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If two operators commute (eigenvector question)
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Hawking radiation redshift (?)
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Spin-spin relaxation time in water
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Why need *complex* probability amplitude?
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Better than Bell: The GHZM Effect
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Peskin-Schroeder - Eqn 2.45 derivation
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Quantum mechanics and randomness
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Einstein against Quantum theory
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Propagator using cauchy integral
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Electromagnetic mass of the electron
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Dalembertian Operator: Symbolized by Empty Box?
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Probability laws of quantum mechanics
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Quantum physics and technology
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Forrest Gump meets the Elitzur-Vaidman bomb tester
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Delayed-choice double slit experiment
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Need some convincements on microcausality
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Is there an upper limit to e/m frequency?
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What is the Role of Wavefunction in DFT for Molecular Systems?
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How big is a photon and what does it look and behave like?
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Does the Wave Function Predict the Most Likely Position of an Electron?
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Electron/photon interference pattern questioned
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Reference suggestions for a struggling chemist.
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Relationship between mass and interactions
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