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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)
Using completeness relation to find <Omega>=0
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Why does quantum entanglement not allow ftl communication
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Delayed Choice Quantum Eraser: Am I missing something here?
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Trouble understanding the wave function
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Can you determine if a string of particle pairs is composed of entangled pairs?
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How do I set up a delta potential well with an infinite potential wall?
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Does the Heisenberg Uncertainty Principle Imply Energy Nonconservation?
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Vacuum energy spectrum, density and constant term....
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Spin Quantum Number: Why Just Z Component?
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Can Vacuum Fluctuations Lead to Electron-Positron Annihilation?
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Graduate Addresses of Parallel Universes
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Quantum Contextuality: Learn with Books & Articles
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Contour integral example from "QFT for the gifted amatueur"
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Can one derive the photon number / phase uncertainty relation
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Insights Misconception of the Heisenberg Uncertainty Principle - Comments
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How Can Orbital Angular Momentum be Used to Enhance Key Rate Generation in QKD?
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Is Determinism Really Broken in Spin Measurements?
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Exponentials or trig functions for finite square well?
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What does the potential barrier energy measure?
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Understanding Qubits and Complex Scalars: The Role of Imaginary Numbers
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Graduate Bell Test Violates Local Realism w/ Loophole-Free Electron Spins 1.3km Apart
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Depiction of distribution of photons over time
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Equations for Entanglement and the Double Slit Experiment: A Layman's Guide
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Energy conservation and michelson interferometers
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F = (1/4)(n2/n1)2[1-{(n1-n2)/(n1+n2)}2] ?
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Can Free Electrons in a Vacuum Become Entangled?
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Understanding Spin-Orbit Coupling in Quantum Mechanics
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Quantum observation of black hole?
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What is the mathematical function for the atomic orbital?
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Invariance of integration measure under shifts in field
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Insights Examples of Prequantum Field Theories II: Higher Gauge Fields - Comments
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Conservation of energy violation of galvanic cell electron
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Characterization of a gauge theory in terms of observables
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Insights What Does As a Sheaf of Functions on Phase Space Mean?
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Peskin and Schroeder - Derivation of equation (2.45)
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Quantum No-Deletion/No-Partial Erasure vs. Measurement
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Insights Examples of Prequantum Field Theories I: Gauge fields - Comments
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Kubo formula for thermopower (Seebeck coefficient)
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Graduate First loophole-free Bell test?
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Gauge fixing and gauge transformations
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If A is Bloch function, then <A(k,x)|dA(k',x)/dx>=δ(k,k')?
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What alternatives exist for building a qubit without material deposition?
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The boundary condition for ##\delta## function
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Is Boltzmann's Phase Cell Assumption Contradictory?
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"Reading" Schrodinger's equation
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What is the significance of the factor (2π)^3 in the completeness relation?
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Field Theory vs Lattice: Why Do Calculations Yield Different Results?
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Ladder operators in Klein -Gordon canonical quantisation
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How do I plot this probability density over time?
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Insights What Are the Local Observables in Higher Prequantum Geometry?
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What is the purpose of introducing the spin state along H
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Eigenfunctions of the angular momentum operator
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Multiple Measurements of a single Qubit
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Comparison between quantum entanglement and a classical version
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Can Any Traceless Self-Adjoint 2x2 Matrix Be Expressed Using Pauli Matrices?
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How to Represent Eigenvectors in Column Matrix Form Using Bra-Ket Notation?
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Diffraction in a single slit setting
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Dispersion operator in quantum mechanics
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Dirac equation and structure of spacetime
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Correlation funciton of a system with translational symmetry
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Minimizing energy for external field
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Particle in Ring: Solving Standing Wave
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Superselection rules and non-observable Hermitian operators
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Higgs vs Graviton: Causes of Mass & Gravity
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How do you define the Eigenstates for the number operator?
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Test functions in wightman axioms
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Confusion about Slater Determinants
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Derivation of 1st order correction to energy degenerate spec
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Poincare group representations
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Understanding the Expression (16) in Kohn Sham Energy Expansion
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Time frame of entangled particles
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Conditions in Wave Function, and Integration
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Why is Black body radiation continuous?
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About photons and it's quality
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Insights Higher Prequantum Geometry III: The global action functional - cohomologically - Comments
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Formula- first order correction to the n-th wave func
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Griffiths Quantum Question. Unit-less Schrodinger Equation.
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Making a program to model the Double Slit Experiment?
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Understanding photon direction
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Does the ubiquitousness of EM fields explain single particle
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Representation of conjugate momentum
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Are electrons smeared objects prior to measurement?
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Was does it mean if one views the wave function as "real"?
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Time-Reversal Symmetry Explained
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Yukawa Interaction: What Is It & Why Not Part of Standard Model?
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Caculating ground state energy using GTO
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What Are the Values of Matrices β, αk, pk in the Dirac Equation?
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Question about deriving TE Schrodinger WE
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Operators implementation with operators
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Wave function description and Schrödinger's equation
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What Are the Bounds in Position Space After a Fourier Transform?
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Energy Conservation in Quantum Systems - Is it Possible?
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Can QFT adequately describe the elusive properties of photons?
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Heisenberg's Uncertainty Principle in quantum computing
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Looking for online videos on QFT using path integral method
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What if a photon interacts with a slower photon in front?
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QFT Index Notation: A Beginner's Guide
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Wave Packet Confusion: Questions about Particle Creation and Motion
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Are photons really particles or just a misconception?
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Insights Higher Prequantum Geometry II: the Principle of Extremal Action - Comments
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