Quantum Physics Forum

High School How can a local interaction affect different parts of an atom?

Graduate Theoretical question on extra dimensions

Graduate How and when to know if eigenvalue of H is energy?

High School Are all particles in universe quantum entangled?

Graduate Looking for a mathematically rigorous definition of a Quantum Field

Undergrad A deep discrepancy between the classical and quantum models of ##L##

High School Double slit experiment - sensor interacts with photons?

Undergrad How do bar detectors work in gravitational wave detectors?

Undergrad Can thermodynamics macrostates hide relevant quantum information ?

Graduate Usefulness of Amplituhedron

Graduate Gerry and Knight solution to single-mode Maxwell equation

Undergrad Query on use of prism in delayed choice quantum eraser experiment

Undergrad Young's slits with incandescent light source

Undergrad Does causality become relative in spacelike-separated entanglement measurements?

Undergrad New understanding of the eigenvalues of the harmonic oscillator

Undergrad Observation of the quantum phase of free fall and the consistency with the equivalence principle

Undergrad Can degenerate particles scatter from each other?

High School Randomness in quantum mechanics

Graduate My questions about QFT and the standard model

Undergrad Particles' Intrinsic Properties in QFT

Graduate Deviations from classical action and D’alembert's principle, why is D’alembert's principle not applicable to QM?

Graduate Double Stern-Gerlach with an Intermediate Electron Cloud

Graduate Measurement and expectation value

Graduate Is the deformation in Eq. 56 really innocuous?

Undergrad Radiation in classical and quantum mechanics

High School Building intuition for waves (& quantum waves)

Graduate Numerical implementation of creation and annhilation operators in the SSH model

Graduate Position vs momentum measurement

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Undergrad How does a cloud chamber respond to 2-slit interference?

Graduate Time evolution of a detected particle

Undergrad Discrepancy in uncertainty among various operators

Undergrad Single-photon double-slit with multiple apparatus?

Undergrad How do you apply perturbation theory to a magnetic field Hamiltonian?

High School Schrodinger's Ad-Hoc Definition Of The Wave Function

Undergrad Dissecting entanglement

High School Reducing loss of energy for Lasers

Undergrad Entanglement might be the result of an underlying law?

Undergrad Uncertainty and particle in a box

Undergrad How can light be a wave and particle at the same time?

Undergrad Application of the Schrödinger Equation in Modeling the Hydrogen Atom

Graduate Fine-structure constant as angular rigidity of the electron

Graduate Magnetic monopole vs (g-2)

High School On electron orbitals

Undergrad Multi-particle entanglement, wave propagation, and electron orbitals in hydrogen

Graduate Gauge conditions in interaction theory

Graduate Six Textbook Mistakes in Quantum Field Theory

Undergrad Particle field strength and sensitivity

High School Can entangled photons be treated as single spatially extended objects?

Undergrad What effect do gravitons have on electrons?

High School Does quantum collapse research support collapse as a physical mechanism?

Undergrad Do elliptical patterns connect quark behavior to orbital mechanics?

Undergrad Why is a Gaussian function used to represent a wave packet?

High School Gravitons/Gravity passing through objects

Undergrad Ramsauer and Townsend effect: history and explanation

Undergrad How do you derive $x = ihbar d/dp$? Why does this equation hold true?

High School Trivial quantum entanglement question (from a rookie)

Graduate Super fluids and superconductors at the molecular level

Undergrad Proving momentum expectation value shifts by p₀ under phase transformation

Undergrad The equivalent concept of phase change in classical mechanics

High School Photoelectric and summation of photons energy

Undergrad 2D rotation and angular momentum uncertainty

Undergrad Scattering Theory: Difference between use of scattering amplitude and Born approximation?

Graduate Exact symmetry, quantum states, and symmetric dynamics

Undergrad Necessary conditions for the uncertainty principle

Undergrad Why aren't photons from a laser considered entangled?

High School Interesting paper on QM in Scientific American

Graduate Heisenberg's Re-interpretation of Bohr-Sommerfeld Quantization Condition in his 1925 'Umdeutung' paper (p12)

Graduate Consistency of Relativistic QM

Graduate Some derivation in QFT in Curved SpaceTime by Birrell and Davies

Undergrad The imaginary part of the wave function

Graduate Wavefunction in the context of quantum physics

Graduate Is the 2-qubit singlet state invariant under bilateral projections?

Undergrad Why do detected electrons still show diffraction patterns at slits?

Undergrad Which-Path from Global Momentum Measurement in Double Slit