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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 What is the explanation for quantum correlations?
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Are Some Atomic Orbitals From a 4D Wave Function?
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Electromagnetic waves and the correspondence principle
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QED & Thin Films: Wave Interference or Probability?
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How does the wavefunction "know" the observables?
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Perceived contradiction in non-locality principle
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Why is the transition in resistance gradual at the Critical Temperature
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Possible explanation for a Bell experiment?
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100% transmission through a potential barrier
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What are some coincidences in quantum mechanics that make life possible?
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What determines light-matter interaction processes?
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Is the collapse of a wave function deterministic or random?
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QED explanation of entanglement
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How to get from the wavefunction to weighted states?
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What prior experiments justified the notion of entanglement?
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Do Electrons need Energy to Excite the EM field?
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Free particle propagation: paradox?
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Debunking Misconceptions About QCD: Understanding the Behavior of Quarks
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Unitary and linear operator in quantum mechanics
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Undergrad What exactly does quantum entanglement imply?
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Must the 1st derivative of phi be undetermined at V=infinity
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Commutation relations for angular momentum operator
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What is the difference between psi(x;y) and psi(x) in 2D BO
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Can synchronization emulate non-locality ?
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Anderson localization and electron flow/diffusion?
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Eberhard assumptions and FTL communication
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Bell-state entanglement swapping and retrocausality
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Schwarz-Hora Effect: Publications & Discussions
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Double-slit with semi-transparence
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Are photons passing a polarization filter randomly?
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Quantum Cosmology and Quantum Computing
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Retrieving information from qubits
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Stern-Gerlach: Run Through X, Y & Z Axes?
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Hyperfine structure in hydrogen
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High School Proof Photons Exist? Evidence & Facts
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Double-slit with half-transparent mirror
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Do Electrons Excite the EMF or do the Virtual Photons?
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CPT transformation analogue of free electron laser?
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Seeking a phase angle operator for the QHO
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Are the two paths in an interferometer indistinguishable?
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Wave function -- Why is there an imaginary part?
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Pilot wave theory and quantum tunneling
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Undergrad Double Slit Experiment: Questions Raised & Explanations Needed
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Operator works on a quantum state yields another state?
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How to interpret Bell's theorem correctly
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High School Diffraction of light, the mechanism
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Nonlinear susceptibility in second harmonic generation
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Hidden variables and Bell's inequality
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Double slit experiment exposed?
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Exact Description of Properties: Spin, etc.
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Wave Functions: What Are They?
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Correspondence principle and its use
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Uncertainty principle at the macroscopic level
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How much does it cost to conduct quantum research on a large scale?
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Does Quantum Contextuality only apply to spin?
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Indeterminacy of wave function
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Difference between 2-point and 4-point function in QFT
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Second Quantization vs Many-Particle QM
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How Does the Stern-Gerlach Experiment Illuminate the Electron Spin Problem?
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Do Quantum Particles Jump Rather Than Move?
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Can an Atom's Valence Electrons Be Used as a Radial Antenna?
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Using Feynman rules to calculate amplitude
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Free particle propagator - Shankar POQM Eqn. 5.1.10, p. 153
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Order of scalar interaction impact Feynman diagrams
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Propagator for free particle: question about Shankar formula
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Is it possible to have a spin chain with both bosons and fermions interacting?
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Normalisation of free particle wavefunction
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Double slits from the particles viewpoint
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Additional quantum states of the infinite square well
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Understanding 'Observe' in Physics: Definitions and Explanations
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Violation of Bell inequalities for classical fields?
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Particle in a well potential/energy continuity
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Solution of Schrodinger equation in axially symmetric case
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Adjoint operator in bra-ket notation
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Is Quantum mechanics internally inconsistent?
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Commuting Hamiltonian with the projection of position
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Graduate Consciousness and the Wigner's friend problem
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What Are Some Trustable Websites about Quantum Mechanics?
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Can quantum decoherence be described as a causal interplay?
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PBR theorem - that the wavefunction is physically existent
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When does the limit become quantized?
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Canonical momentum for Dirac adjoint field
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Vacuum diagrams vs. tree diagrams vs. loop diagrams
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Atomic Spontaneous Decay in Spherical Cavity
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Undergrad Is There an Absolute Heat Limit and What Are the Safety Risks?
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Absolute zero should be impossible
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Circle or polygon for charged particle in magnetic field....
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Simple question about quantum entanglement from a layperson
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Graduate Another loophole-free test of Bell's theorem
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ELI5: Antiparticles in Feynman Diagrams
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Quantum Computing presentation ideas
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Why do some QM books start with Polarization?
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Infinitesimal transformation of a field
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Undergrad Example of a linear combination, anyone have any insights?
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Plotting the Probability Density of the Coulomb Wave Function
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Undergrad Is Causality Preserved in Quantum Mechanics?
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Quantum Entanglement for Superluminal Communications: How Does It Work?
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Transformations of a vector in the active viewpoint
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Magnetic field of a Spin-1/2-Particle
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Mixed State Treatment: Eigenvalue Degeneracy
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