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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
Graduate Deutsch–Jozsa algorithm/Circuit Analysis
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Undergrad Lagrangian and Feynman diagrams
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High School Time reversibility in quantum mechanics
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High School Position of a harmonic oscillator
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Graduate Methods for finding properties of quantum dots?
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Undergrad QM - Ladder Operator QHO - factorization
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Electron shell further away from nucleus higher Energy lvl?
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High School Which component of light is a photon?
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Undergrad Can a Photon be Absorbed Without the Exact Energy Level?
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Undergrad Confused about the B-C-H equation
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Undergrad Can diffraction be explained by quantisation?
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Graduate Phase factors and Modulus Square?
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High School Two-Slit Experiment And Varying Electron Momentum
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Graduate Collapse and projection-valued measures
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Undergrad Schrödinger equation and interaction Hamiltonian
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Graduate Forbidden Transitions in the He-Ne Laser?
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Undergrad Properties of Photons: Orange vs. Green
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High School Entanglement, correlation and randomness
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Graduate Interaction Hamiltonian coupling question
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Undergrad Why does a sum of operators act on the state like this?
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Undergrad Is this Quantum non-locality set-up right?
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Undergrad Is Schrodinger's Cat Experiment Possible with Young's Slits and a Switch?
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Undergrad The speed of light in a medium and path integrals
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Undergrad Do operators that commute also indicate if their powers commute?
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Undergrad Birgit Dopfer interference experiment
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Undergrad QM objects do not have properties until measured?
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Undergrad Another energy eigenvalue question
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Undergrad Quantum entanglement and parallel displacement
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High School Free Intro-Level Tunneling Simulator - Download Now!
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Undergrad How are Mixed State Ammonia Molecules Separated by an E-Field?
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Graduate What is the correct reply on Einstein`s thought experiment?
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Undergrad Understanding Quantum Numbers and Symmetry Algebra for Keplerian Motion
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Graduate Asymptotic momentum eigenstates in scattering experiments
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Understanding the Uniform Probability Distribution in Statistical Ensembles
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High School Is QM an Intrinsic Physical Theory?
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Undergrad Does violation of Bell's Inequality imply a preferred frame
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Graduate Proof of Lorentz invariance of Klein-Gordon equation
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Graduate Calculation of S-matrix elements in quantum field theory
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High School IBM’s new five-qubit universal quantum computer
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Basic strong Zeeman effect question
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Undergrad Solving for SHM Diatomic Energy Levels
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Graduate Crystal field when inversion is absent
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Undergrad Why don't we use the Schrodinger Uncertainty Principle?
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Undergrad Possible measurements of z-component of angular momentum
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Undergrad Can a clock inside a box solve the mystery of Schroedinger's Cat?
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Undergrad Wilsonian viewpoint and wave function reality
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Undergrad Second quantization and creation/annih. operators
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High School Quantum Model of Contact Forces
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Undergrad Question about Uncertainty Principle
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Undergrad Some questions regarding quantum fluctuations
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Undergrad What is the Quantum Circuit Simulator?
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Graduate Hamiltonian of the quantised Klein-Gordon theory
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Undergrad Energy conservation and information conservation
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Undergrad What does simplicial mean in the context of QM?
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High School Ψ=f(r)exp[-i(Et-pz+Φ/2)] a Q.M. wave function?
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Undergrad Is there a difference between EM waves and photon wavefunctions?
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Undergrad Schrödinger Potential Fields with no Energy Quantisation?
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Undergrad Relationship between E-field and Probability Amplitude of Waves
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High School Measuring photon momentum without annihilating it
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Undergrad 2 particles created around event horizon: out or inside?
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Undergrad Can you have a high temperature with very little heat?
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Undergrad Do wavefunctions have to be in the form of \(Ae^{ikx}\)?
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Undergrad What is the complex conjugate of the momentum operator?
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High School Black Holes, Information Loss and Causality Query
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Undergrad Does this wavefunction make sense?
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Undergrad Free particle in a central potential
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Undergrad Why can’t force-carrying particle (spin 0, 1, 2) be detected
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Undergrad Pseudorandom Entanglement and Special Relativity
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Quantum challenge: mathematical paradoxes
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Undergrad What was Niels Bohr's rebuke to Schrödinger's Cat?
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Undergrad Understanding Bloch's Theorem: Does 'n' Label Energy Bands?
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Graduate Time-ordering fermion operators
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High School Is classical mechanics philosophically sound?
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High School Superposition of measurement apparatus
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Graduate Treatment of singlets in the Hubbard model
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Undergrad Down convertor 2 photon entanglement - explanation?
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Undergrad What is the physical significance of <x'|x> in quantum mechanics?
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Undergrad Temperature in quantum systems
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Undergrad The postulate of Quantum Mechanics and Eigenvalue equation
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High School Multi or single quantum state?
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Undergrad Momentum operator on positon/momentum representation
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Undergrad Quantum number and energy levels
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High School Entangled Particles: Understanding the Interaction
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High School Why the "rush" to quantum spookiness
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Undergrad What does "completeness" mean in completeness relations
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Graduate One-Way Quantum Steering Evidence: Quantumness Experiments
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Undergrad The Higgs and virtual particles
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Undergrad Eigenfunctions and eigenvalues
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Undergrad Exact meaning of the Uncertainty Relations
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Undergrad When should one eigenvector be split into two (same span)?
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Undergrad Entaglement, locality, and information
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Undergrad Does photoelectric effect include light with threshold freq?
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Undergrad Quantization of electromagnetic field
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Undergrad Inner products and adjoint operators
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Graduate Is the vacuum a thermal state?
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High School 2 events in a planck time not violate conservation of energy
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High School Can different types of particles be entangled with one another ?
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Undergrad Identical particles distinguished by their trajectory?
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Undergrad Why can't someone be both a mathematician and a physicist?
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High School Measurement and the creation/loss of information
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