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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

I Question about discussions around quantum interpretations
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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Jordan wigner transform and periodic boundary condition
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What Precisely Does Preferred Foliation Mean?
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What does the Uncertainty Principle say about the location of photons?
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Velocity of light while coming out a denser medium
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How to show time ordering is frame independent
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Why Atoms Come Together: Understanding Matter Formation in Nature
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