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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 Bell's theorem and measurements not done
Graduate Determinism of the wave function
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Graduate Defense of pilot wave theory against Motl
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Graduate Recovering the generator of rotation from canonical commutation relations
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Graduate Uncertainty principle and standard deviation.
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Graduate Entanglement: Understanding the 2 Electron System States
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Graduate Since protons are not spherical, are their charge fields non-spherical?
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Undergrad What is Field? Understanding its Nature and Properties
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Undergrad How many electrons in all of 6f oribtals?
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Graduate Solve 1-D Potential Barrier: Electron, Width 8 Angstroms, Depth 12eV
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Graduate Solving Entanglement Q: EPR Paradox & Quantum Computing
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Graduate Eigenstates of the Hamiltonian
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High School How Does a Red Ball Absorb and Reflect Light?
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Graduate Heisenberg Uncertainty Principle
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Graduate Quantum Observer: Can We Perceive Atomic Reality?
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Undergrad What Causes Saturated Absorption in Materials?
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Graduate QFT Recipe: Outlining the Formal Structure
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Graduate How are electrons considered waves?
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Graduate Entangled protons in a crystal lattice
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Graduate Probability Current Density or Flux
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Graduate Input and Output with a Quantum Computer etc
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Graduate A question about probabilities
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Graduate Entanglement and String Theory
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Undergrad Gaussian Wavepacket Tunnel Through double barrier
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Graduate Representation of second quantization
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Graduate What Does Dominate Mean for Quantum Effects at the Planck Length?
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Graduate State/wave function after measurement?
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Graduate Susceptibility: Imaginary Part = 0 - What Does it Mean?
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Graduate QFT Lorentz transformation question
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Graduate Raising and Lowering Operators
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Graduate Properties and Elements of SO(4) Group in 4 Dimensions
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Undergrad What Are the Best Beginner Resources for Learning Quantum Cryptography?
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Graduate Discrete and continuous confusion
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Graduate Deriving Schrodinger Eq. from Complex Plane Wave: Erwin's Way
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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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