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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 On computing quantum waves exactly from classical action
Undergrad What is the relation between chemical potential and the number of particles?
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Graduate Does the Bell theorem assume reality?
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High School Doesn't the choice of measurement prove free will
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Graduate Is QM Foundations Facing a Crisis?
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High School Help with math in a quantum circuit
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Graduate How to choose the number of particles per site in Fermionic DMRG?
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Graduate Perturbation solution and the Dirac equation
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Undergrad Stationary states vs. the unitary time evolution operator
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Undergrad Electrons and the Pauli exclusion principle
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Graduate Derive / verify Legendre P (cos x)
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High School Whats the principle behind Schuster Focusing?
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High School Can someone explain to me what's the Schrodingers cat?
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Undergrad Electrostatic repulsion at a distance
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Undergrad PROOF: Quantum Fidelity with pure states
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Undergrad Human eyes can detect single photons?
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Undergrad Electrons in Quantum Field Theory: A Composite Excitation
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Undergrad Phase shift after double-slit for entangled photons
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Undergrad "Breaking the loop" in Casimir force?
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Graduate Does Bell's theorem imply nonlocality using a false assumption
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Undergrad Assumptions made in stationary-state scattering
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High School Entanglement Decay of a proton pair
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Undergrad Integration of the Outer Product of a Basis
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Undergrad Why is the Phase Shift in Grover's Algorithm Applied to All Elements Except 0?
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Graduate Uncertainty principle, removing infinity in the Fourier Transform
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Graduate Quantum Entangled Living Bacteria
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Undergrad How does magnetism work in QM?
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High School Interference fringes, what if you sample them?
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Undergrad C-G coefficients and Angular momentum
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Undergrad How does an electron interact in QFT?
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Undergrad Inner product of a vector with an operator
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High School Is Uncertainty in Quantum Mechanics a Fundamental Limit or a Measurement Issue?
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High School Are Quantum Entities in Macro Sized Objects Entangled?
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Undergrad Qualitative description of particles in QFT
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Undergrad Calculate Revival Time of a Wave in Griffiths' QM 2nd Ed.
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Undergrad Complex conjugate of an inner product
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Undergrad Why particles have group velocity?
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Undergrad Electron Repulsion in QFT: How Does It Work in Quantum Field Theory?
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High School Understanding Entangled Electrons: Creation, Isolation, and Observation
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Undergrad How does stimulated emission work in the process of light amplification?
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Undergrad Integration being unchanged after rotation
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Undergrad Do I need energy to measure position without uncertainty?
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Undergrad Visualizing the Attached EM Field for Free Electron in QFT
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Undergrad Novel Schrodinger equation examples for 1D
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Undergrad Casimir force and the Vacuum Field
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Undergrad Double slit with a quarter wave polarizer on one slit
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High School NOVA Show on Einstein and Quantum Entanglement
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Graduate Dipole moment of an isolated quantum system
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Undergrad One-Dimensional System: Boundary Condition Applicability
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Insights How I Stopped Worrying and Learned to Love Orthodox Quantum Mechanics - Comments
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Graduate Wave functions for positrons and electrons
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Undergrad Franck-Hertz: Overall behaviour of the current
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Undergrad Why does a mercury Franck-Hertz tube produce visible light?
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High School Superposition of traps (thought experiment)
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Undergrad Annihilation vs. Creation Operators: What's the Difference?
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Undergrad Quantum Oscillator in 1D: How Can a Real Particle Have an Imaginary Velocity?
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High School Are all particles and photons entangled?
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Graduate The effect of macroscopic quantum phenomena on human evolution
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Graduate The different interference patterns in the double-slit experiment
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Undergrad The component of the total spin in the direction of H
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Undergrad Quantum Physics in Biology & Medicine: Research & Advances
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Undergrad Understanding the Spin-Statistics Theorem: A Modern Notation Approach
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Undergrad Info traveling faster than light, and quantum entanglement
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Undergrad Diffraction experiments with one particle at a time?
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Undergrad Math: classical to quantum locality
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High School The Spectral Gap and Quantum Vacuum Fluctuations
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Undergrad Hermitian and expectation values.... imaginary?
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Graduate Entangled wave function solved perturbatively
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Graduate Quantum mechanical integral equation problem
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Undergrad Please help explain the probability density function
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Undergrad Space and time dependence of entangled particles
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Undergrad Double-slit experiment: Alternating results
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Graduate Particle Spinning: Why and What Happens If They Stop?
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Undergrad Wave function collapse in a double slit experiment
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Undergrad How close do electrons and positrons have to be to interact?
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Undergrad Why we do not need the total Lagrangian?
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Graduate Quantum fields and the harmonic oscillator
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High School Why Do We See Distinct Lines in Atomic Emission and Absorption Spectra?
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Undergrad Hyperfine structure - Hamiltonian and bases
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Undergrad Is the electromagnetic field of an electron in QFT a real physical field?
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Undergrad What is the significance of coupling in surface plasmons and plasmon polaritons?
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Undergrad Polarization of light and probability
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Undergrad Understanding Redshift: The Role of Relative Motion between Emitter and Absorber
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Undergrad Difference between preparing and measuring
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High School Layman question about faster than light communication
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Undergrad Multiplication of ladder-operators
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Undergrad Quantum State: Electron, Proton, and Neutron Explained
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High School Entropy -- What exactly is it?
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Graduate Green's function for the wave function
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Graduate Is the Fenna-Matthews-Olson complex a quantum dot?
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Undergrad Does quantum entanglement depend on the chosen basis?
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Graduate Fermi-Dirac statistics, finding all electron configurations
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Undergrad What is the common & connection of quantum entanglement and entropy?
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Graduate How to measure the first qubit in two qubit system? QC
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Graduate Fresnel Diffraction - Opaque Barrier Question
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Undergrad Phase and group velocity for a free particle
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Undergrad Interference between an electron and a photon?
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High School Neutral pion quark composition help
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Undergrad Does Multiplying Wavefunctions Affect Their Radius?
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High School Is the classical EM wave a single photon?
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Undergrad Compound double slit with measurement on only one
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