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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 Potential step with E = V0; classically forbidden or allowed?
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Graduate Why are other systems so sensitive to decoherence?
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Graduate Solving Schrod. Eqn. for Potential Barrier with E > V
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Graduate Difference between a normal wave function and a standing-wave function
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Graduate Infinite energy states for an harmonic oscillator?
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Graduate Is superposition widely accepted?
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Graduate Does a particle have negative kinetic energy in delta function wall
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Graduate Is the Universe's History Governed by Macroscopic Superposition?
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Graduate Has this approach to non-locality been explored?
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Graduate How big/small is Planck constant?
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Graduate Derivation of mazwell boltzman statistics.
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Graduate Electron far away from the nucleus of ground state H atom
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Graduate Help on the expectation value of two added operators
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Graduate How does the Bell-state quantum eraser work with diagonal polarizers?
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Graduate Why do we need a theory of quantum gravity
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Graduate Superselection Rules: Pi+ Decay Processes Explained
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Graduate Non-technical answer wanted about the double-slit experiment
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Graduate Source of Dirac Field: Classical & Quantum Explanation
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Graduate What operator acting on vacuum gives a box of cosmic background radiat
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Graduate How a force carrier particle gets a message to its owner particle?
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Graduate Why aren't state-reduction theories refuted by diffraction experiments
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High School Why do positive and negative charges attract?
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Graduate Is there a Charge equivalent of Mass?
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Graduate Do Elementary Particles Jiggle Like Atoms?
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Graduate Question about Interferometer Outcomes
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Graduate Superpositions of diffusive superpositions examples?
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Graduate Spin-half mass term with symmetry breaking
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Graduate Can we experimentally win simple quantum pseudo-telepathy games yet?
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Graduate What Would Happen If We Set Up the Double Slit Experiment Differently?
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Graduate Visualising Potential Wells in Two Body Systems
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Graduate Can a region of space-time be created with no ER?
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Graduate Analytic Solutions to Schroedinger Equation
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Graduate Confusion about the electron sub shells.
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Graduate What is limit to electrone-hole gas density?
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Graduate Why do particles have non-zero position amplitude across all space?
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Graduate Why Must J_z Eigenvalues Be Integer-Spaced for Fixed J²?
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Graduate Why do fields vanish at infinite time during canonical transformations?
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Graduate Dosen't energy eigenvalue depend on x?
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Graduate Detecting Entangled Photons: Principles and Experimental Methods
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Graduate What is the intrinsic parity of anti-particles?
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Graduate How Does Equation 4.144 Follow from 4.143 in Quantum Field Theory?
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Graduate What qualifies as an observer in quantum mechanics?
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Graduate Why does d/dt transform to a partial derivative in the integral?
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Graduate Schrodinger's Cat vs. The Principle of Explosion
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Graduate Violation of thermodynamics law
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Graduate Can Amplitudes Be Assigned Between Subspaces in Quantum Mechanics?
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Graduate Derivation of rayleigh jeans law
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Graduate Is Dirac's Principles of Quantum Mechanics a good way to learn?
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Graduate Physicist disentangles 'Schrodinger's cat' debate
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Graduate Do particles have discrete energy levels?
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Graduate How Can We Represent Electron Wave Length in an Equation?
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Graduate What is Avoided crossing or Level repulsion
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Graduate Can you ever have an odd number of entangled particles?
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Graduate What is the relationship between degeneracy factor and photon polarization?
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Graduate Current standing of qubit research
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Undergrad Normalisation and normalising wavefunctions
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Graduate Many-Body Quantum Field Theory
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Graduate Eigenstate-to-eigenstate evolution with no intermediate superposition?
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Graduate Experiments directed towards discreteness/continuity
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Graduate Following collapse of the waveform
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Graduate Quantum entanglement and computing
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Graduate How certain do we have to get about a particle's position ?
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Graduate Why Does Negative Current Occur in LEDs at Low Voltage?
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Undergrad Representation of numbers in quantum bits
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Graduate Need to discuss about quantum concepts
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Undergrad Why is there a peak in the visible range?
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Graduate How to go from Heisenberg operators to Schrödinger operators
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Undergrad Can Excess Photon Energy Cause an Electron to Jump Energy Levels?
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Graduate What is the concept of multiple orthogonal time dimensions?
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Graduate Plasma and light atom collision.
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Graduate Question about non-relativistic limit of QFT
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Graduate What determines an amplitude of a wave particle?
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Graduate Unitary in quantum field theory
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Graduate What happens to the freq of a photon after encountering double slit?
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Graduate Controlled delayed quantum erasure?
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Graduate What are the Different Formulations of Quantum Mechanics?
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Undergrad Why introduce matrix in quantum mechanics
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Graduate Is Superposition the Explanation for Bell Inequality Violations ?
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Graduate Can someone explain the diffraction of electrons through a single hole?
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Graduate Scalar gravity -Feynman lectures on gravitation
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Graduate Initial conditions in quantum mechanics
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Graduate Quantum Mechanics Practical Scenarios
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Graduate A question about Qubit (number of states)
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Undergrad Difference ionic and covalent bonds
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Graduate Calculating the amplitude that a particle is spin up
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Graduate Variational Derivation of Schrodinger Equation
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Undergrad Is Energy Quantized? - Facts & Explanation
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Graduate Given a Hamiltonian how do you pick the most convenient Hilbert space?
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Graduate Noether current for exchange symmetry
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Graduate Schrodinger Equation for Constrained Particle
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Graduate Continuous evolution from 1 eigenstate of O to another O-eigenstate?
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Graduate How does quantum pseudo-telepathy work, as a quantum circuit?
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Graduate Understanding Plancks Quanta for Quantum Mechanics
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Graduate Infinite Energy: Is Constant Exchange of Photons Possible?
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Graduate Introductory literature, quantum mechanics
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Graduate What do the Ms in ml and ms quantum numbers stand for?
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Graduate Understanding Entangled Particles: Is it Possible?
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Graduate Green's function of the Klein-Gordon operator
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Graduate Planck's Unit and universal constants
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Graduate NYT review of How the hippies saved physics
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