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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
Graduate What Makes Quantum Spin Different from Classical Angular Momentum?
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Graduate Orthonormality of a complete set of eigenvectors
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Graduate Does Heisenberg apply to a collapsed wavefunction?
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Graduate Electromagnetic waves with regard to photons
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Graduate Relationship between a field and its quanta
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Graduate Does decay of particles give evidence of time being real?
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Graduate Coupling of spin to an electric field
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Graduate Could a Type-1 and Type-2 Superconductor Oscillator Work?
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Undergrad Excitation to higher energy levels
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Graduate Unveiling the Mystery: How is the Wavefunction of an Electron Revealed?
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Graduate Solving the Shroedinger equation for a harmonic oscillator potential
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Graduate Why transition rate independent of time in perturbation theory?
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Graduate Dividing line between QM and CM?
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Graduate Brian Cox and the Pauli Exclusion Principle
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Graduate How is spin measured experimentally ?
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High School The uncertainty when measuring time
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Graduate How are transistors and QM tied
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Graduate Calculating Probability Current for Free Particles
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Graduate Does Dirac Notation Determine Quantum States Uniquely?
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Undergrad Sommerfeld model and fine spectral lines
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Graduate Spin angular momentum of a spin-1 particle
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Graduate Entanglement, entropy and photon energy
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Graduate Can a Wavefunction Change State After Collapse with Disturbance?
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Graduate Quantum levitation and quantum locking applications
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Graduate Can Single Photons Bend When They Hit a Material?
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Graduate A question about Wick theorem?
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Graduate Do atoms generally exhibit superposition when not isolated?
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Graduate Degenerate Perturbation Theory
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Graduate Possible explanation for the wave-particle duality ?
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Graduate How do we know (BΨ) is not equal to zero?
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Graduate Can someone explain the process of finding c(n) in an infinite well?
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Graduate No charge polarization on positronium in p-orbital state ?
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Graduate Does the act of observing/measuring define an arrow of time?
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Graduate Irreducible graphs and srednicki's book
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Graduate Can Quantum Suicide and Being in Two Places at Once Coexist?
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Graduate What are the implications of the Pauli Exclusion Principle across the universe?
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Graduate What is the magnitude of the relativistic wave-vector?
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Graduate Is the QED Lagrangian Invariant Under C, P, or T Separately?
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Graduate Negative variance of an observable quantity
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Graduate How Does EPR Spin Measurement Challenge Quantum Mechanics?
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Graduate Quantum View of Electron and Photon
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Graduate Electron Excitation and Photon Emission: Understanding the Ground State
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Graduate Is There a Relationship Between Principal Quantum Number and Amplitude?
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Graduate Tunneling from Rectangular barrier - Exponential Decay ?
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Graduate Time-independence of seperable solutions of the Schrödinger eqn
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Graduate Do single photons disperse like a wave?
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Graduate Is the product rule on operators different from traditional calculus?
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Graduate Proton Vibrations: The Behavior of Protons When Not Bound to Nucleus
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Graduate Ground state: singlet or triplet
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Graduate Why does the operator S_p - S_n in deuteron result in a zero expectation value?
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Graduate How Do Individual Photons Behave in the Double Slit Experiment?
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Graduate Atomic recoil and the polarization of photon emitted
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Graduate What Are Hermitian Operators and Their Significance in Quantum Mechanics?
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Graduate Entanglement and separable state
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Graduate Is the wave function/packet an actual property
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Graduate Wave function orthogonal components
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Graduate Double slit with time measurement
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Undergrad Why Doesn't Mass of Electrons Increase?
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Graduate Transition of free to bound electrons
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Graduate Position variables in the wave function
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Graduate Quantum Harmonic Oscillator
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Graduate Why the generator operators of a compact Lie algebra are Hermitian?
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Graduate Wavefunction Normalization at Different Times
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Graduate Calculating d<p>/dt: Class Notes & Mistakes
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Graduate Commutator for fermion operators?
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Graduate One thing cannot be in two places at the same time
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Graduate Black hole information paradox?
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Graduate Commutation of time derrivative
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Graduate Entangled photons and polarisation.
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Graduate Unusual uncertainty relations question
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Graduate Generator of translations involving TIME
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Graduate Understanding Spinorial Representations in Relativistic QM/QFT
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Graduate What happens if the screen in young's double slit experiment is replac
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Graduate How do multiple electrons behave in the Kronig-Penny model?
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Graduate Two-photon physics/quantum electrodynamics
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Graduate Could we witness other universes begin?
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Graduate What is the Time Evolution of the Angular Momentum Operator?
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Graduate Question about Feynman diagrams with the integral
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Graduate Some questions regarding Statistical and Quantum Mechanics
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Graduate What causes a collapse - and does it depend on frames of reference?
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Graduate Can second quantization on strings create states out of the vacuum?
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Graduate Regarding the creation and annhilation operators in QFT
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Graduate Second Quantization-Kinetic operator
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Graduate Field strength tensor / matrix
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Graduate Calculating Eigenenergies of Photon in Cavity Hamiltonian
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High School What interference pattern of double-slit experiment does mean
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Graduate Is the energy operator (time derivative) a linear one?
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Graduate Probability Amplitude Maxwell's Equations
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Graduate Quantum corrections to massless fermionic field
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Graduate Pure, proper mixed, and improper mixed states in laymen's terms
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Graduate Hooke's Law on a microscopic level
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Graduate Measurement, information and entropy
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Graduate How do we know E is energy in the time-independent Schrodinger eq
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Graduate Quantum Entropy & Superdense Coding/Cryptography
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Graduate Is Quantum Time a Vector Instead of a Scalar?
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Graduate Double Slit Experiment: New Idea About How it Works?
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Graduate What causes an electron to return to its ground state?
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Graduate Absorption And Emission Of Light According To Quantum Mechanics
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Graduate Are Planck Units the Ultimate Limit for Measurements?
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Graduate Radius of effect of atomic interactions
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