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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 Product of three gamma matrices
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Graduate Polarization of photon-Peskin and Schroeder
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Undergrad Two general questions about wave functions
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Graduate Harmonic Oscillator: Energy Explained
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High School Uncertanity Principle in Macrocosm
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Graduate Rotation operator quantum mechanics
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Graduate Counterterms Feynman Rules Derivation
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Graduate Quantum Eraser Interference Patterns
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Graduate Wigners Theorem And Linerarity
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Graduate Nuclear charge and atomic orbitals
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Graduate Virtual photons and long range force carrier
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Graduate What does local causality mean?
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Graduate Heisenburgs Uncertainty Principle in a narrow tube?
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Graduate Is CPT-Invariance Sufficient for Lorentz Covariance and Locality?
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Graduate Planck's radiation law: Act of desperation
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Graduate Quantum mechanics probability
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Graduate Representation of Lorentz group and spinors (in Peskin page 38)
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Graduate What is the quantum mechanics behind blackbody radiation?
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Graduate What is the quantum of an electromagnetic wave?
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Graduate Two qubit state multiplication
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Graduate Wigner function of two orthogonal states: quantum harmonic oscillator
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Graduate How Can Intuitive Approaches Enhance Quantum Operator Derivation?
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Graduate Do Photons Actually Move at the Speed of Light?
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Graduate Seeing colors: photons vs waves
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Graduate Partial wave analysis - incoming/outgoing?
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Undergrad Direction of reflected/refracted light
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Graduate Is a Quantum Trapped Superconductor Inside a Vacuum the Ideal Simple Machine?
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Graduate Path integral and gaussian integral
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Graduate Separation of variables to solve Schrodinger equations
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Graduate Variational method, is the wavefunction the best for all
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Undergrad Photon Wavelength: Particle or Wave?
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Graduate Physical mass in a quantum field theory
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Graduate Questioning Neil Turok's Claim on Quantum Information
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Graduate Hamiltonian eigenstate problem
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Graduate Does mass bend the Higgs field as well?
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High School Double Slit & Compton: Understanding the Connection
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Graduate How to find the ground state of He atom
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Graduate Does QFT respect conservation of angular momentum?
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Graduate What is the meaning of Wave function?
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Undergrad Calculating Uncertainty in Position for Scientists
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Graduate Is Uncertainty in Velocity Equal to the Velocity Itself?
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Graduate How photons and static em feilds work
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Graduate Why electrons can have only 2 spin orientations?
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Graduate Imaginary momentum and virtual particles
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Undergrad Can Photons Have Mass? Debate & Answer
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Graduate Excitation of electrons in atoms
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Graduate Why are QM wave functions complex?
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High School Can someone explain degeneracy pressure in simple terms?
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Graduate Should the speed of light be slightly uncertain?
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Graduate Is there a connection between spinors and isotropic vectors in QM and QFT?
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Graduate Paraparticles and Parastatistics
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Graduate When is classical mechanics valid for describing motion of atoms?
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Graduate 9j symbol expansion in 6j symbols
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Graduate Is [x,p]=i quantum mechanical?
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Graduate Mistake in proof regarding degeneracy property
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Graduate Energy of interacting particle and time evolution of p(x)
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Graduate Why does a deuteron nucleus have spin 1? Hydrogen spin 1/2?
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Graduate What is the quantum mechanics descriptions for a plasma radiation
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Graduate Quantum entanglement (information transmitted )
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Graduate Photon interacting with 1D-boundary
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Graduate Selection rules for atomic transitions
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Graduate Is the Transmission Probability of a Vertically Polarized Photon Really 1.0?
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High School How does visible light carry energy through reflection?
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Graduate Solutions of the schrödinger eq. for a potential step
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Graduate Schrodinger equation subjected to general potential
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Graduate Why is the concept of a one dimensional box used?
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Graduate Is There a Metric Tensor in Hilbert Space That Transforms Vectors to Duals?
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Graduate Changing variables in the Schrodinger equation
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Graduate Question about noether's theorem
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Graduate Dark state & schrödinger equation
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Graduate What happens when we measure spin of a fermion?
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Graduate How does a collider know both the energy and position of the particle?
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Graduate Are macroscopic objects self-collapsing ?
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High School Why Do Electrons Closer to the Nucleus Have Lower Energy?
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Graduate Commutator with Tensor Notation
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Graduate Orbital angular momentum and powers of k
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Graduate Quantum amplitudes versus probability
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Graduate Expectation values for Hydrogen
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Graduate Quantum eraser experiment - another thought experiment
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Graduate Book or notes for 'Quantum Field Theory II' by Francois David (PSI)
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Graduate Problems with photoelectric effect lab
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Graduate Why is the Matrix Exponential Related to the Hamiltonian in QM?
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Graduate QM operator and double slit experiment doubt basics
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Graduate General Entanglement and Measurement
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Graduate Amplitude's time dependence in Heisenberg representation
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Graduate Energies and numbers of bound states in finite potential well
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Graduate Valid reason to reject the Bohr model?
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Undergrad History of Planck's equation(s)
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Graduate Is There Room for Interpretation in Quantum Mechanics?
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Graduate Quantum Scale, Statistical Physics
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Graduate Operators and the position representation
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Graduate Does photon lose its momentum?
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Graduate Can one speak of the wave function of a object measured?
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Undergrad Explanation behind Moseley's Law?
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Graduate Interference in Quantum Mechanics (Basic)
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Graduate Plotting a wavefunction for a finite potential well doesn't work out
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Graduate Solving the Hydrogen Molecule computationally
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Graduate Energy levels for a 3D cubical box
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High School Electron is it a particle or wave ?
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Graduate What is the use of WKB after Schrodinger equation is established?
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