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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 How do renormalization and dressed particles eliminate self-energy?
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Graduate Uncertainty of a single photon in light scattering question
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High School Do Electrons in Higher Energy Orbitals Move Faster Than Those in Lower Ones?
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Graduate What is an Eikonal Factor in QED and QCD?
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Graduate Polarization Eraser & Entanglement
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Graduate Question about the Klein Gordon Propagator
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Graduate Density Matrix Doubt: Can Coherance Be Zero?
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Undergrad Quantum Chemistry vs Physics: A Student's Dilemma
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Graduate How to solve generalised eigenvalue problems?
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Graduate What is the true nature of vacuum energy in quantum physics?
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Graduate Wanted: quotes that encourage thinking of experiments instead of measurements
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Graduate The significance of commutation
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Graduate Quantum Computing: Find People With Knowledge & Experience
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Graduate Quantum Gravity and time's arrow
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Graduate Is Weak Isospin Conserved in Particle Physics?
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Graduate Quantum Mechanics and Special Relativity (violations)
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Graduate What is the value of the fine structure constant at Planck energy?
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Graduate Commuting operators => Common eigenfunctions?
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Graduate Entanglement, causality and local realism
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Graduate How does CMBR differ from ether (SR self study - Question from W. Rindler)
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Graduate Transmission function(probability) T(E) in tight binding
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Graduate From Cartan's Theory of Spinors, x1^2 + x2^2 + x3^2 = 0
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Graduate How is Single Photon Polarization Determined in Free Space?
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Graduate What does the eigen equation in quantum mechanics mean physically?
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Graduate Does Multi Path Integral Formulation Violate Special Relativity?
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Graduate Poincare-representation of majorana spinor
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Undergrad Compton effect vs photolectric effect
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Graduate What would be outcome of experiment?
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Graduate Questions on chapter 95 in Srednickis QFT book, Supersymmetry
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Graduate A pair of 2D harmonic oscillators at a point and Dirac eq.
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Graduate Gauge invariance of superpotential
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Graduate Electron Orbit: Exploring Kenneth W. Ford's Quantum World
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Graduate Relation between decay rate (lifetime) and spectral width
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Graduate Understanding Ansatz in Quantum Mechanics: Types and Applications
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Graduate Quantum Mechanical analogy of Newton's third law
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Graduate Question about a harmonic oscillator integral
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Graduate Photoelectric effect and light polarization in Wikipedia
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Graduate Why fundamental quantization of energy is hv?
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Graduate KP 8 Band Model: Exploring Quantum Well Structures
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Graduate Pre-requisites for path integral formulation?
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Graduate Operator in exponential function and generating function
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Graduate Massless representations of the Poincare group
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Graduate Derivation of Uncertainty Princple
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Graduate Why do photons have no rest mass and cannot have a charge?
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Graduate Difficulties in Canonical Quantization and Tensor Relations in Elementary QFT
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Graduate What Is the Schwarz-Hora Effect and Its Implications on Quantum Mechanics?
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Graduate A mental picture of entanglement?
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Graduate Do Weyl Spinors Have Well-Defined Helicities Across Different Masses?
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Graduate Normalization of Wave-Function
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Graduate Is the principal objection to decoherence thermodynamical?
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Graduate Uncertainty principle in classical mechanics boundary
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Graduate What is the Derivation of the Schrodinger Equation for Matter?
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Graduate Quantum Kinetic Theory by M. Bonitz: Traces over Commutators
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Graduate Can BECs Show Us Decoherence in "Slow Motion"?
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Graduate Quantization of Orbits: Explained
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Graduate How Are Allowed Wave Vectors Calculated in Carbon Nanotubes?
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Undergrad Weak and strong interaction are attactive or repulsive force?
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Graduate Basic question on a vector superfield
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Graduate Black hole laser or condensate?
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Graduate Super-position / Duality Physically Real?
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Graduate The Significance of Decoherence in the Quantum-to-Classical Transition
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Graduate Beta Function for QED: 20/9 or 8/3?
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Graduate Understanding Counterterms: Demystifying Srednicki's Equation 9.25
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Graduate Total angular momentum of N identical bosons
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Graduate Software to calculate simple commutator relation ?
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Graduate What are Jacobi coordinates, and why are they useful?
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Graduate Fourier Transforms, Momentum and Position
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Graduate Time evolution of an entangled state
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Graduate Does Quantum Entanglement Necessitate Faster-Than-Light Communication?
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Graduate Divergent tree level Feynman diagrams?
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Graduate What operators can we measure directly?
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Graduate Quantum Foam vs Zero Point Energy
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Undergrad Fourier transform spectroscopy
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Graduate Force Carriers, Mass, and Speed
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Graduate Reason for Fourier transform convention in QM?
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Graduate Laser Broadening: Impact on Wavelengths
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Graduate Question about scattering and emission
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Graduate Number say about the spin of a particle?
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Graduate Status of Teleportation Research?
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Graduate Yet another question about the double slits
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Graduate Wave or Particle: Unraveling the Mystery of Electrons
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Graduate The CRT and Electron Superposition
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Graduate Lorentz Transformation and Creation Operators
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Undergrad Question about properties of light?
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Graduate What Defines the Weak Field Regime in the Zeeman Effect?
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Graduate Renormalizable quantum field theories
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Graduate Is the path integral well defined
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Graduate Energy of electron and its effective mass
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Graduate Time is interconnected with mass, right?
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Graduate No Permanent Dipole Moment in Two-Level System w/External Field
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Undergrad Pair Production and Annihilation
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Graduate The role of complex conjugation in QM
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Graduate Einstein's 'Spooky Physics' Gets More Entangled
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Graduate Can Matter and Energy Interchangeably?
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Graduate Any benefits of uncertaintity?
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Graduate Mermin on Spooky action at a distance
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Graduate Computing P$^{\mu}$ with Stress Energy Tensor
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Graduate Geneva University speed of entanglement results
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Graduate Convergence of vacuum state of Klein Gordon field in a box
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Graduate Probability that energy level is occupied
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