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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
Undergrad Impossible to exclude hidden variables without entanglement?
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Undergrad Is the uncertainty principle an ontological statement?
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High School Does quantum physics imply the existence of randomness?
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Undergrad Uncertainty Principle: Theorem or Principle?
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High School Pseudorandomness of correlation
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Undergrad Justification for introducting "Disentaglers" in MERA
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Undergrad QFT vs Wave Function: Understanding Particle States
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Graduate Unitary evolution while rapid change of potential?
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Undergrad Question about superposition and measurement
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High School After the 'Theoretical minimum' series, what is essential to know about QM?
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Undergrad Hyperfine splitting and relative intensity of spectral lines
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Undergrad Question on photoelectric effect and this particular experim
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High School Superposition at absolute zero
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High School QFT for Gifted Amateurs: Preparing for Advanced QFT
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Undergrad Clarify interaction between real and virtual particles....
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Undergrad Quantum Darwinism and Consciousness (?)
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Graduate A Closer Look at Squeezed Light and Its Effects on OPA
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Undergrad Evenly pump a sphere of lasing material
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Undergrad Kronecker delta by using creation/annihilation operators
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Undergrad What is the significance of the semicolon in function notation?
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Undergrad How "spooky action...." may work?
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High School Decoherence and Counterfactual Definiteness
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Graduate Qn on photon statistics (second order correlation function)
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High School Quantum Communication: Entanglement, Interference & FTL
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Graduate Why are the Tadpole Equations Called so?
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Graduate Renormalization Scheme Dependence of Vevs
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High School Photon red shifting and Doppler effect
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Undergrad Highly localized initial psi in harmonic well
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Undergrad Quantum to Classical: "comprehensible"?
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High School Counterfactual definiteness and correlation
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High School Are photons particles or waves?
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Undergrad What determines the charge of a field?
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Undergrad Why Is the Photoelectric Effect Considered Proof of Light's Particle Nature?
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High School I'm conducting an Experiment -- Moving my hand through a wall
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Undergrad Schrodinger equation in terms of complex conjugate
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Undergrad Density of states with delta function
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High School Where did the energy of red shifted CMB go?
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High School Dirac Equation vs Wave Function
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Graduate Transforming Spin Matrices (Sx, Sy, Sz) to a Spherical Basis
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Undergrad Why the tensor product (historical question)?
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Graduate Tunneling photons travel faster than light?
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High School What is ∇ in QM? | Meaning & Significance
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Undergrad Can TSQM Harmonize Free Will, Cause and Effect, and Retrocausality?
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Undergrad Why do Dirac spinors obey the Klein-Gordon equation?
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High School Does Bohmian Mechanics Support Counterfactual Definiteness in Its Variants?
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Undergrad Diagrams for nucleon scattering
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Undergrad Polarization in laterally moving reference frame
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High School "no free will" simplest explanation for spooky action?
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Undergrad Is radioactive decay independent of the environment?
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Undergrad Why do we differentiate in physics and why twice?
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Undergrad Why can't the real scalar field and the EM be coupled?
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Undergrad How did Einstein see that Entanglement lead to Connectedness
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Undergrad Sum of squares of 2 non-commutating operators
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Undergrad How reduced density matrix obtained from the matrix.
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High School New Particle discovered at LHC?
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Undergrad Determinism, realism, hidden variables
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Graduate What should hidden variables explain?
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Graduate Is SU(3) always contains SU(2) groups?
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Undergrad Assuming nonlocal realism: What message would signal convey?
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Undergrad Why did Dirac want a first-order equation?
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Undergrad How do we know the spin of a field?
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Undergrad Is CPT symmetry violated in beta decay?
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Graduate Can Relativity Explain Bell's Theorem Without Superluminal Communication?
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High School Probability of finding an electron
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Undergrad Is Canonical Momentum conserved?
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Undergrad Spatial interference fringes in Hong-Ou-Mandel
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High School Second Law and "Hidden Variables"
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High School Can Instruments Alter Wave Functions Across Global Distances?
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High School 2 questions about the photo electric effect
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Undergrad How Do Quantum Observables Influence State Collapse?
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Graduate Why must a polar vector parameterized by spinor be timelike?
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Undergrad Why is the Sky Blue? Understanding Born's Rule & Rayleigh Scattering
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High School Do Pilot Waves of Apple Resemble an Apple in Configuration Space?
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Undergrad Can Quantum Tunneling Cause Objects to Instantly Swap Places?
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High School What exactly are waves and how do they look?
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Undergrad Solve Eigenstates Doubt: Prof. Leonard Susskind's Quantum Mechanics
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Undergrad Free Particle: Time dependence of expectation values Paradox
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High School Do particles not only exist everywhere but also "everytime"?
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Undergrad Macro state of a measurement device and correlation
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Undergrad Electric and Magnetic Fields, Photons, Charges
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Graduate Where to start with path integral Monte Carlo?
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Undergrad Clarification of the postulates of QM
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Undergrad Expectation value of momentum for free particle
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Graduate Is Quantum Field Theory Still Relevant in Modern Physics?
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Undergrad Explaining Proca Lagrangian Integral Transformation
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Undergrad Quantum Computers: Room Temperature Superposition Explained
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Undergrad Electron wave energies different for +½ and -½ spin?
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Graduate Refutation of physics in _The Beginning of Infinity_?
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High School Derivation of g Factor and Missing Basic Steps in Calculation
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Undergrad Concrete contrast between local and nonlocal hidden variable
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Graduate Why is Spooky Action Necessary?
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Undergrad A question about two-slits experiment
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Undergrad Density of states from 3D to 2D
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Undergrad Momentum exchange during diffraction
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Undergrad Why is the 5 used in the axial Chiral current formulas?
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High School How does the double slit experiment prove super position?
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High School What are the potential alternatives to traditional teleportation and portals?
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Undergrad Time dependent perturbation theory
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Graduate Time dependence of field operators
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Graduate QED Hydrogen Atom: Formulating and Solving Problem
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