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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 New interpretation for the double slit experiment with light?
Graduate Can photons affect each other's trajectories?
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Graduate Clarifying Symmetry in Le Bellac's Quantum Physics
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Undergrad Is the Photon's Energy Doubled in a Coherent Pair?
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Graduate Can the SR Concept of Reference Frames be Applied to Quantum Mechanics?
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Graduate Why the rank of an irreducible tensor must be an integer?
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Undergrad How Does the Wavefunction Differ for Photons Compared to Electrons?
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Graduate Discover the Basics of Conformal Field Theory: An Introduction for Beginners
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Graduate Connection between Dyson's equation and Heisenberg equation of motion
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Graduate What does space quantization of angular momentum actually signify?
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Graduate Kochen-Specker for two particles
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Graduate Incertitude relations from QFT
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Graduate When do the laws of general relativity breakdown?
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Graduate Wave Particle Duality: Diffracting Particles Explained
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Graduate Quantum gases. The ideal Fermi gas
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Graduate Parity and Time Reversal symmetries.
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Graduate A Realtively General Question for you Quantum Physicists
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Graduate Is a double/single slit experiment possible in a gas chamber?
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Graduate Causality and the Role of Propagator in Quantum Field Theory
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Graduate Is the Planck mass the smallest possible unit of matter?
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Graduate Testing if the momentum operator is Hermitian
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Graduate Stark-broadening and plasma polarization
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Graduate Functional diffential-integral equations
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Undergrad 2 Questions on superpostion (Double slit experiment)
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Graduate Quantum Tunneling: Observed properties of the particle within the barrier.
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Graduate Decoherence: Random System-Environment Interaction Explained
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Graduate Is the S-matrix Consistent with Time Dependent Hamiltonian?
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Graduate Is the determinant of a mixed state density matrix always positive?
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Graduate Why is the transition from 3P1 to 3S1 in Helium forbidden?
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Graduate Standard Model Lagrange Density, 2D vectors, Lattice Theory.
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Graduate Understanding Quantum Qubits: Up, Down, and Beyond
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Graduate Relativistic corrections to CHSH vs. Preferred frame
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Graduate Can the Quantum Zeno Effect be solely attributed to decoherence?
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Graduate Is it Possible to Measure Q or P Without Determining x1 and x2 or p1 and p2?
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Graduate RD Thought Experement (wikiversity article)
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Undergrad What is the meaning of En^+ or En^-
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Graduate A seeming contrdiction in deriving wave function for delta function potential
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Graduate Continuity equation for Schrodinger equation with minimal coupling
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Graduate Could the cosmic quantum eraser be used for FTL communication?
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Graduate Density values for e-, p+ and n
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Graduate What is the General Form of Solutions for the Schrodinger Wave Equation?
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Graduate Does the wavefunction have a zero value anywhere?
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Graduate Trying to learn the uncertainty principle
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Graduate Questions for 1-D harmonic oscillators
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Graduate Density of a subatomic particle
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High School What is the difference between probability and probability density?
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Undergrad Simple Energy Levels confusion
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Graduate A relation between photon and electron - need discussion
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Graduate What does it mean to normalize a non-normalized wavefuction as in
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Graduate Particle in a potential Well interacts with the wall without touching it?
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Graduate Lack of Relativistic Consideration
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Graduate What Are the Selection Rules for the Zeeman Effect?
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Graduate Expectation formula in Dirac notation.
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Undergrad What Does 'me' Represent in This Physics Formula?
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Graduate Is this a correct understanding?
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Graduate Info regarding energy density of empty space?
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Graduate Non-relativistic limit of Klein Gordon (and massless limits)
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Graduate Double slit - where do they aim?
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Graduate Derivation of Schrodingers Equation
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Graduate What is the formula for calculating rotation speed?
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Graduate Simple Math and quantum phyiscs 5 x 0 and e =mc2?
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Graduate What Does It Mean When an Operator Has Two Normalized Eigenstates?
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Graduate Does the existence of a ladder operator imply that the eigenvalues are discrete?
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Graduate Please Compute Concurrence Whats wrong
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Graduate DFT for configuration of atoms
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Graduate Q.M. on S^6, add potential gives Q.M. on S^3?
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Undergrad What is Macroscopic Quantization and How Does it Affect Everyday Objects?
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Graduate Breaking Down the Uncertainty Principle
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Graduate The modern view of decoherence: A layperson's qestion
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Graduate Pencil tipping problem - trying to understand uncertainty
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Graduate Measurement collapse as a perturbation?
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Graduate Beginners Question Uncertainty Principle
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Graduate Questions about Quantum state, Pauli exclusion principle and chemistry.
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Graduate How to solve the Klein Gordon Complex Field?
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Graduate Infinite volume limit literature?
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Graduate Acceleration of the Photon and the shape of it's wave
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Graduate TED Presentation, April 2009: Allosphere, data visualization
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Graduate Casimir effect - silly question, but
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Graduate Zero points of particle wave function?
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Graduate What do we mean by minus energy ?
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Graduate Particle In a finite potential well
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Graduate Imaginary Time and Path Integrals?
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Graduate Boundary conditions for two dimensional problems in Quantum mechanics
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Graduate Understanding the \hat{\sigma} Matrix
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Graduate Calculating Eigenstates and Eigenvalues of a 2D Quantum Rotor with Perturbation
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Undergrad 3 question of Ballmer experiment
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Graduate Wavefunction of a 2-particle system.
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Graduate Creation and annihilation operator in quantum mechanics?
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Graduate What is the Nature of Material Waves in Quantum Mechanics?
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Graduate Why Is (-i d/dx) Chosen as the Momentum Operator in Quantum Mechanics?
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Graduate Wave function of Stationary State
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Graduate A simple QM experiment analysis question
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Undergrad Virtual Particles: How can they be responsible for attractive forces?
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Graduate Understanding Bose-Hubbard Model: Senior Guide
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Undergrad Solving the Mystery of Energy Levels in Hydrogen Atom - Jules
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Graduate Why does the amplitude <p |T| p'> have the dimension of a volume?
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Graduate Direction of vector precession
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Graduate Boundary between deterministic reality and probabilistic reality
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Graduate What Are the Effects of Dispersion and Uncertainty on Wave Packets?
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Can a vulcan study quantum mechanics ?
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Graduate Invariance of the action under a transformation
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