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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 Valid local explanation of Bell violations? (Pegg et al., 1999; 2008)
Undergrad Show that the integral of the Dirac delta function is equal to 1
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Mathematical Quantum Field Theory - Renormalization - Comments
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High School Why do photons stimulate emission in atoms?
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Undergrad Srednicki QFT Chapter 4 time-evolved operator
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Undergrad Do Polarized Atoms Imply Shifted Electron Orbitals?
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Undergrad How to experimentally measure a quantum gate
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Graduate What form of the Schrodinger equation do you use for intensity?
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High School Delayed Choice Quantum Eraser Experiment Results
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Undergrad Noble Gases vs. Halogens: Which Has a Greater Atomic Radius?
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Undergrad Ground State Energy of a Potential: λ2px2/2m+0.5kx2
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Undergrad Representing a Hamiltonian in an operator form
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Undergrad Phase, Bloch sphere versus Feynman path
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Graduate Probability of obtaining general quantum measurement outcome
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Undergrad Can a Pure State be Interpreted as a Mixed State for a Single Particle?
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High School Preserving causality in the EPR experiment
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Undergrad How Do Oscillations and Interference Define Particles in Quantum Field Theory?
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Undergrad Question about the solution to the Harmonic wave equation
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Undergrad Classical chaos and quantum mechanics
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Undergrad Question about one-particle states
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Undergrad I am interested in Schrodinger equation with tempor. element
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Graduate Decoherence in the double slit experiment
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Undergrad Effect of momentum distribution on probability density
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Graduate I'm getting the wrong inner product of Fock space
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High School (N+1) enhancement of spontaneous emission, why not (N+1/2)
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Graduate Entanglement in Ultracold Chemistry and Physics
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Mathematical Quantum Field Theory - Gauge symmetries - Comments
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Graduate Velocity dependence of operators in Inonu-Wigner contraction
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Undergrad About the strength of a perturbing potential
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Undergrad Thought experiment about wave functions
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Graduate Is [\vec{p}^2, \vec{p} \times \vec{L}] Equal to Zero?
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Undergrad Probabilities for degenerate eigenvalues?
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Graduate Operator Identity: Quantum Mechanics Explanation w/ References
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Mathematical Quantum Field Theory - Reduced Phase Space - Comments
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Graduate Understanding Dirac Equation Spinor Boosts
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Mathematical Quantum Field Theory - Observables - Comments
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Undergrad What Books Explain Quantum Physics Experiments and Interpretations Objectively?
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Undergrad Orbital electrons in stationary states?
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High School Quantum Theory and its Precision
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Undergrad Why is position-space favored in QM?
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Graduate Two-Photon Excitation: Theory and Applications
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Graduate Clebsch Gordan coefficients
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Undergrad What are the limits of the boundaries for the Schrödigner equation
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Graduate Can wavepackets be used to solve ODEs in Hilbert spaces?
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High School Uncertainty Principle & Non-Commuting Observables
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High School Entanglement and pair-production and annihilation
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Undergrad A Closer Look at the Randomness of Quantum Measurements in QED
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High School Is it time to rebuild quantum theory?
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Undergrad Understanding Spin States in Hilbert Space
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Undergrad Should the energy density of the vacuum be zero?
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Undergrad Is Bell's Theorem Inconsistent with Quantum Mechanics?
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Graduate Implementing Higher Degrees of Freedom
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Undergrad Time Delay on Multiple Photons when travelling from one plac
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Undergrad Spin confusion: Stern-Gerlach experiment
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Graduate Qubit error rate of QKD BB84 protocol
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Graduate Law of transformation of vectors due to rotations
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Graduate About nonhermiticity in plasmonic dimers
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Undergrad How to calculate the photons/pulse of Laser diode?
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Graduate What is the Wavelength of the Pilot Wave in the Pilot Wave Theory?
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Undergrad Why does a quantum system with many degrees of freedom imply orthogonality?
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High School Understanding Bell’s inequality
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Undergrad Spin and polarization basis problem?
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Undergrad How Does Dirac Notation Simplify Quantum Mechanics for Harmonic Oscillators?
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Graduate Quantum measurement operators with Poisson distribution
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Undergrad What's the interval between photons in stimulated emission?
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Graduate Fiber Optics Bandwidth Question
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Undergrad Rotational Transitions: What Are They?
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Graduate How Do Quantum Measurements Impact System Coherence?
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Undergrad Are the energy fluctuations in space real or virtual?
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Commutation Relation: Hi Parity Operator?
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Graduate Von Neumann Entropy of a joint state
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Undergrad Davison-Germer experiment - Bragg condition
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Graduate Coupling constants with fractional dimensions
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Undergrad The Role of Causality in Primary and Secondary Physics
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Mathematical Quantum Field Theory - Fields - Comments
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High School Where is the mistake -- violation of Heisenberg uncertainty
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Graduate Proving Gamma 5 Anticommutes with Gamma Matrices
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Graduate Non-selfadjointness and solutions
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High School Quantum Superposition: Is It Limited or Unlimited?
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Graduate Interesting article on gravity and the zero-point energy
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Undergrad Delayed Choice / Quantum Eraser Experiment Question?
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Undergrad How to identify admissible functions in QM by simple math?
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Undergrad Is the Wavefunction Speed in Quantum Mechanics Wrong?
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Undergrad Understanding Gauge Symmetry: A Review of the Schrödinger Equation
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Undergrad Normalisation constant expansion of spinor field
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High School Double slit experiment question
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High School What happens to virtual photons when an EMF is extinguished?
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Undergrad Checking the effect an operator has on a state
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Undergrad The Mystery of Eigenstate Preference in Quantum Mechanics
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Undergrad Are entanglement correlations truly random?
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High School Quantization & Indetermination
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Graduate Building on QP from 5 reasonable axioms
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Mathematical Quantum Field Theory - Free Quantum Fields - Comments
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Graduate QFT Field Expansion: Explaining (2.72) - Schwartz
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Undergrad Can Exact Joint Probability Distributions Predict Violations in CHSH Tests?
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Undergrad The Rabi Problem: Solving with the Semiclassical Approach
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High School Am I understanding the intepretations correctly?
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Graduate How Does the Wavefunction for n-Particles Relate to One-Dimensional Systems?
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Justification for no properties before measurement
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Undergrad How Do Different Representations in Quantum Mechanics Compare?
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Undergrad Spontaneous parametric down conversion photons
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