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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 Another energy eigenvalue question
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Undergrad What Causes a Measurement to Change the State of a System in Quantum Mechanics?
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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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Undergrad 1 pm de Broglie wavelength? What's pm?
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Graduate Asymptotic momentum eigenstates in scattering experiments
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Graduate 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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Graduate 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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Graduate 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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Undergrad Angular Momentum, classical vector analogy?
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Canadian PM 'Explain's' Quantum Computing
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High School What constitutes a measurement of which slit - double slit
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Undergrad Where exactly does QFT differ from QM? (in their formalisms)
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High School Quantum definition of information
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Undergrad Quantum numbers - Total Energy and Orbital Momentum
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High School Disentanglemt of a system of particles
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Undergrad Can Decoherence Create a Superposition of Life and Death?
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High School What is ¨unpolarized¨ light exactly?
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Undergrad Spin 1/2 particle confined to an infinite annular region.
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High School Has the Casimir effect been directly observed?
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Graduate Potential Energy Curve for Ammonia Inversion?
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High School About the Lorentz invariance of Planck constant
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Graduate Is a Hadron a Quasiparticle in Condensed Matter Physics?
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Undergrad Why is the spin of this state equal to one?
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Graduate Symmetry considerations between observer and observed in QM
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Undergrad Determination of electron energy in the 2 slit experiment
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High School Alpha is 1/137th of what? (Fine Structure Constant)
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Undergrad Understanding the Energy Gap and Topology in Topological Phase Transitions"
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Undergrad What is meant by the terminology "single particle state"?
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Undergrad Difference between superposition and mixed state
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Undergrad Where Does Light Come From and How Is It Produced?
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High School What causes recombination of virtual particles?
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High School Is it possible that god does not play dice with the universe, as Einstein said?
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