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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 Projection operator and measurement
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Graduate How much time do you have to make the same measurement?
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Graduate Why isn't momentum quantized in quantum mechanics?
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Graduate How is the vacuum energy affected by nearby particles?
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Graduate Ladder operators to find Hamiltonian of harmonic oscillator
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Graduate Finite square well ##\psi(x)## solution for ##-a < x < a##
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Graduate Doubble slit experiment getting bigger
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Graduate What Are the Eigenvalues of Entangled Electron Spins?
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Graduate Double Slit Probability Amplitude Orientation
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Graduate Is there a 100% chance of a photon hitting an atom when they interact?
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Graduate What is the meaning of current in QM?
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Graduate Eigenfunctions orthogonal in Hilbert space
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Graduate Hilbert space transformation under Poincaré translation
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Graduate Energy on the RHS of Schrodinger wave equation
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Graduate Question on validity of Heisenberg's Uncertainty principle
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Graduate EPR paradox and prediction time
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Graduate Weak Nuclear Force: Electron Ejection Explained
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Graduate Electrons and the Double Slit experiment questions
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Graduate Does Electron Entanglement Affect Total Energy?
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Undergrad HCl Energy and Angular Momentum ?
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Graduate Property related to Hermitian operators.
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Graduate Measuring a Qubit: Understanding Pauli Matrices
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Graduate Time-independent SE linear combination solution help
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Graduate Is Einstein Summation Convention Used in Quantum Mechanics and Relativity?
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Graduate What's the meaning of "Density of radiation between f to f+d
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Graduate Why each energy state is having only 1 electron?
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Graduate What do you mean by the term "energy density of radiation "
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Graduate Continuing to Euclidean Space Justified in Path Integral?
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Undergrad Proton through a Particle Accelerator
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Graduate Does quantization always work?
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Graduate Double asymmetric quantum well
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Graduate Question on wave function of free particle
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Graduate Can Quantum Entanglement Be Blocked
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Graduate Harmonic oscillator (quantum vs classical)
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Graduate Qm virtual particle force on wire, acrose the universe
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Graduate How is an electric field quantized?
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Graduate Is the Moon a Boson? Astronomy & Quantum Spin Explained
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Graduate Scaling - Inverse relationship between uncertainty and mass
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Graduate DeBroglie wavelength of Proton in H atom
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Graduate Ammonia Molecule: Exploring Excited States
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Graduate Why Is Average Energy per Mode in Rayleigh-Jeans Law Always kT?
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Graduate Sources to learn QM while commuting to school?
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Graduate Creating superimposed states in an Hydrogen Atom
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Graduate Notation help? (don't understand)
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Graduate Fundamentally why require causality?
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Graduate Whether Photons Do In Fact Age
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Graduate Understanding the Spectral Energy of the Vacuum: A Scientific Exploration
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Graduate Cosmology from Quantum Potential
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Graduate Standing waves corresponding to a confined particle
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Graduate Minimal coupling of a Field with electromagnetism
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Graduate Tensor product and representations
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Graduate Wave Vector Collapse: Solving the Math Puzzle of Position and Momentum Operators
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Graduate Derivation of standard model lagrangian
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Graduate Measured result is equal to expectation value
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Graduate How to visualize a moving probability wave?
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Graduate What is responsible for force in the standard model?
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Graduate A question about QM "Observer effect"
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Graduate Technical steps in the quantum entanglement experiments
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Graduate Indirectly measure if particle spin is in superstate or not?
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Graduate Grand canonical and canonical ensemble
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Graduate About the photon exchange and the electromagnetic force
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Graduate Calculating energy from de Broglie wavelength
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Graduate Quote from Feynman and Hibbs book
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Graduate Hypothesis: Can a photon be predicted where it will hit?
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Graduate Why do different wave equations have varying numbers of derivatives?
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Graduate Quantum Cat: Is the Wave Collapsed if Box Isn't Opened?
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Graduate Basic commutator of angular momentum
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Graduate Time evolution of a state. (a missing t)
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Graduate Can massless states be used to build massive ones?
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Graduate Quantum harmonic oscillator tunneling puzzle
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Graduate How do you get from equation (2) to (3) in quantum mechanics?
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Graduate How directional is a single photon?
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Graduate Can we accurately measure the momentum of a particle?
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Graduate Why is the smallest energy transfer in quantum measurement uncontrollable?
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Graduate Does a neutron star act like a big particle?
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Graduate About the Uncertainty Principle
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Undergrad What is the relationship between atomic structure and molecular orbital theory?
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Graduate Quantum Mechanics: Probablities
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Graduate Negative Probability and Bell's Theorem
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Graduate Is Spin Related to Angular Momentum in Elementary Particles?
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Graduate Is Manipulating the Stefan-Boltzmann Law with Metamaterials Possible?
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Graduate Special relativity violation using entanglement
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Graduate Entanglement: Speed more than light
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Undergrad What photon or electron detector is used in double slit experiments?
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Graduate Uncertainty principle presentation
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Graduate How to Count Wick Contractions in Phi^3 Theory?
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Graduate Units of Fourier expanded field
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Graduate Raising operator for s in |s,m> states
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Graduate How does quantum mechanics explain the stability of macroobjects?
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Graduate Unintended observations, how do we do with it?
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Graduate Quantum Mechanics: Three Spin Observables
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Graduate Maxwells theory about electromagnetism
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Graduate Do low atomic numbers not obey Moseley's law?
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Graduate Mass dimension of coupling constant -- always an integer?
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Graduate It is said that we can not go lower than the planck limit
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Graduate Entanglement and Spin in Electron Interactions
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Graduate Vector representation of a Quantum State
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Undergrad Understanding Bragg's Law: The Relationship Between Wavelength & Atomic Order
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Graduate Time independent schrödinger equation query
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Graduate Expectation value of operator derivation
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