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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 Violation of Bell's inequality
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Graduate What are the fundamental information-processes in physics?
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Graduate Can the Bohr Model really prevent electron energy loss?
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Graduate Path Intergral quantization for Relativistic Point like particle?
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Graduate Unlock the Mysteries of Quantum Zeno Effect
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Graduate Wave-particle duality of phonons?
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Graduate From quantum field theory to quantum mechanics
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Graduate What is the infrared divergence problem in quantum field theory?
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Graduate Lie Groups, Lie Algebras, Exp Maps & Unitary Ops in QM
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Graduate Speed of light in transparant materials
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Graduate Does EPR contradict SR in non-relativistic QM?
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Graduate Violating uncertainity principle
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Undergrad How does electron change properties of matter?
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Graduate Double slit experiment with spin
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Graduate Asymptotic behaviour after perturbation
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Graduate Double slit experiment in a Bubble Chamber
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Undergrad Solving for E(0) in Equation: Vacuum Permittivity
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Undergrad How to switch between momentum/real space
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Graduate Is Time Discrete or Continuous?
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Graduate Weinberg Vol 1: Understanding Index Arrangement in (2.4.8) LT Transformations
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Graduate Constructing Optimal Unitary Operators for Distinguishing Quantum States
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Graduate Delta-function potentials, scattering states
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Graduate Another confusion: How many measurements is many ?
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Graduate Discussing Exciting Topics in Quantum Optics
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Undergrad What is the correct order of operations for differentiating r^2 with 2/r*d/dr?
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Graduate Charge of down, up , electron; (-1/3, 2/3, -1)*3 more natural?
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Undergrad Why do electrons in lower atomic orbits have smaller wavelengths?
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Graduate Diagonalization of large non-sparse matrices
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Graduate How can energy be quantized with E=hv
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Graduate Stationary Perturbation Theory
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Graduate Calculation of probabilities in QM
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Graduate Solving Double Square Well Potential - Physical Chemistry Homework
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Graduate Angular momentum commutator derivation
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Graduate Quantum Electronics: Basics, Applications, Semiconductor Lasers
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Graduate Is the entanglement of photons necessary for interference?
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Graduate A local deterministic theory that violates Bell's inequaities
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Graduate Intuitive Understanding for Commutation
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Graduate Regarding the observer effect.
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Graduate SUSY computational questions:dots
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Graduate Eigenvalue plots Tannoudji's Quantum Mechanics Vol. II
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Graduate Calculating the Stark Effect (Spectral line splitting)?
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Graduate Time as a series of interactions
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Graduate What are the equation(s) that determine free electron wave amplitude?
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Graduate Ensemble average in quantum computing
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Graduate Concerning the momentum operator
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Graduate A very simple question re: entangled photons
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Graduate Uncertainty Principle and energy of an electron
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Graduate How is flavor symmetry breaking achieved in massless quarks?
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Graduate Does Photoelectric Conversion Affect Momentum Transfer in Solar Sails?
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Graduate Also about the Planck hypothesis
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Graduate Wavelength in QM: Definition & Measurement
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Graduate Direct Product Basis for Interacting Systems
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Graduate Short question: Spontaneous emission from Feynman diagrams?
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Graduate Double Slit Experiment - Blind Observer
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Graduate How Does a Quantum Computer Function?
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Graduate Quantum Probability: Sets & Complex Numbers
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Graduate How Does Quantum Superposition Explain Probability in Wavefunctions?
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Graduate Calculating Eigenkets from Matrix w/ Orthonormal Basis
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Graduate Debunking the Newtonian Model: Why Photons and Basketball Comparison Falls Short
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Graduate Energy quantization in schrodinger equation
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Graduate Commutator of the density operator
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Graduate Is 137 the Maximum Number of Atoms That Can Be Made?
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Undergrad Electron Movement: Helium Model Explained
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Graduate Explain Adjoint of Commutator Identity in Second Quantization
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Graduate Confusion about getting uncertainty by using differetiation.
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Graduate Aren't Entanglement & Uncertainty mutually exclusive?
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Undergrad Why does m*c*c not equal 0 in the theory of relativity?
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Graduate Mass falling to ground (uncertainty principle)
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Undergrad What is the Nature of Photons?
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Graduate Is time reversible in Quantum Math?
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Graduate If i stand still , you cant find me
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Graduate What exactly is the solution for principle of locality and speed of light?
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Graduate Difference between SU(N)xU(1) and U(N)?
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Graduate Quick question on the Schrodinger symmetry group
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Graduate Wave Properties of Electrons and their Atomic Orbitals
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Graduate Have one photon at a time edge diffraction experiments been conducted?
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Graduate Naive picture of understanding Spin-Orbit Coupling
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Graduate Quantized energy in infinite potential well
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Graduate Physical Significance of the Product Av for Non-Eigenvector States
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Graduate Poisson brackets, commutators, transformations
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Graduate A newbies question on randomness.
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Graduate Can we predict element decay using Quantum mechanics?
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Graduate Solution to the Problem of Correlation of Matter and Field
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Undergrad Could someone explain the Schrodinger's Cat experiment to me?
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Graduate Uncertainty principle and limit of momentum.
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Graduate What are postulates and what are derived?
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Graduate Is anything physically impossible in quantum mechanics?
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Graduate Bundle of tiny randomly orientated magnets through a Stern-Gerlach app
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Graduate Quantum harmonic oscillator minimum energy
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Undergrad Stimulated Emission: Intuitive Explanation Needed
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Graduate Why Are All Photons in a Laser Beam Coherent?
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Graduate Thermodynamic Basis of the Exclusion Principle
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Graduate What is the Source of the Positive Charge of a Proton?
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Graduate Debate Macroscopic Realism: Define or Disbelieve?
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Undergrad Planck's Constant: Determining Avogadro Number
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Graduate Self-reference, measurment and entanglement
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Graduate How Does Heisenberg's Microscope Observe Electrons Outside the Aperture Angle?
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Graduate Controlling Spin of an Entangled Particle, Causality
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Undergrad Carrier Mobility of a semiconductor
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Graduate Electromagnetic fields around neutrons?
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