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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 One does not “prove” the basic principles of Quantum Mechanics
Undergrad Understanding Space-Time & Fields: A Flowchart Guide
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High School Neutrinos and Fermi-Dirac Distribution
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Undergrad What is the reason behind uncertainty principle?
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High School What is the reason for Schrodinger's cat experiment?
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Graduate Interpreting the K-G Annihilation Operator Expression
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Undergrad Can a Discontinuous Wave Function Be Acceptable in Quantum Mechanics?
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Undergrad Understanding ΔEΔt uncertainty
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Undergrad Understanding Internal State in Quantum Systems with Cold Atoms
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High School Understanding Correlations in Non-Realism: The Role of Extra Variables?
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High School Wave Function of a Proton in a Box with a Slide
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Graduate QFT and transitions between momentum states
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High School Is Wigner's Friend the Key to Understanding Wave Function Collapse?
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Undergrad The Lagrangian of a Coherent State
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High School Should Fourier Transforms Be Taught Before the Heisenberg Uncertainty Principle?
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High School How does Bell's inequality rule out realism?
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Undergrad Field eigenstates and path integral formulation
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Graduate Conjugate variable clarification
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Undergrad Time evolution after "turning off" square well
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Undergrad What is the angle in the action-angle uncertainty principle?
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High School Other terms for indeterministic hidden variables
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Undergrad Two photon absorption or multi-photon absorption?
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High School Why is probability defined in space rather than at a point in quantum mechanics?
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High School Is an Electron Both a Wave and a Particle Simultaneously?
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Undergrad Quantum Superposition While Observing Phenomena?
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High School Energy density of charged capacitor via QFT
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Undergrad Strong Force and Wave function collapse
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Undergrad What is the Eigenvalue of Coherent States?
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High School No problem, glad I could help!
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Undergrad Is There a Reliable Source Code for Quantum Key Distribution?
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Double Slit--closing a slit while particle is in flight
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High School Classical experiment violates Bell
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High School Schrodinger cat superperposition vs sharp state
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Graduate Green's function at boundaries
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Undergrad Delayed choice quantum eraser scanning telescope
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Undergrad Big Freeze: Resolving the Universe's End?
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Undergrad Planck-Einstein: how does it separate classical from Quantum?
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Undergrad Infinite square well solution - periodic boundary conditions
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Undergrad A thought about parallel universe
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Undergrad What is the relation between Temperature and Quantum State?
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High School Does weak measurement cause mixed state?
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Undergrad Radioactive decay, falling pencils and the uncertainty principle
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Quantum Computing: Difference vs Normal Computers
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Undergrad What happens to Quantum decoherence at Absolute Zero?
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Undergrad Regarding the eigenvalues of the translation operator
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Undergrad Calculation of vibronic couplings
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Undergrad Relationship of Light's Wavelengthvs and Probability Wave?
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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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Why Is the Photoelectric Effect Considered Proof of Light's Particle Nature?
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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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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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