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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 Universal quantum physics
Graduate Wavefunction vs EM wave of a Photon
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Graduate Feynman diagrams for more than two particles
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Graduate What is the physical interpretation of bra-ket notation in quantum mechanics?
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Graduate What is the momentum operator in different bases and how can it be obtained?
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Graduate Expectation values for expanded wave functions
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Undergrad Photon detector used in Young's Double Slit experiment?
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Graduate Wavefunction collapse with a single photon?
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Graduate What is the role of fields in Quantum Field Theory (QFT)?
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Graduate Is Wick Rotation Essential for Defining Quantum Field Theory?
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Graduate Parity operators and anti commutators
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Graduate What is the opposite of realism in quantum mechanics?
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Graduate Gauge Theories in Particle Physics: Questions Answered
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Graduate Quantum Computing: Superpositon of states problem
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Graduate How Does Path Integral Formalism Derive the Quantum Propagator?
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Graduate End of Realism? Experiments Test Quantum Mechanics
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Graduate 181* NMR pulse, atomic description
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Graduate Double Slit Experiment: Does Energy Decrease?
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Graduate 3 body relativistic phase space
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Graduate Is the ground state of a harmonic oscillator unique?
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Graduate Does Ghirardi's Thought Experiment Challenge Quantum Mechanics Predictions?
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Graduate Addition of Complex Term in Lippmann Schwinger Equation
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Graduate Destructive interference in electron diffraction
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Graduate Bra State Meaning: Negative Energy Possibility?
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Undergrad Revolution of electron and that of the planets
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Graduate Understanding Glauber Coherent States
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Graduate What is the size of a black hole?
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Graduate Renormalization massless phi4 theory in Peskin.
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Graduate Full quantum mechanical description of the double slit experiment
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Graduate How Does QFT Describe or Predict the Position of a Particle?
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Graduate Question about double slit experiment with detectors
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Graduate Understanding the Hermitian Form in Velo-Zwanzinger's Article
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Graduate How Many Quantum Numbers Define a Spin 1/2 Particle's State?
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Graduate Determination of time-dependent coefficients (QM)
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Graduate Does the time dependent hamiltonian have stationary states?
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Graduate Number of Photons and wavelength?
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Graduate Question about quantum entanglement
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Graduate Why is the complex number i essential in defining the momentum operator p?
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Graduate Why we do not consider the divergence due to mass-shell in QED?
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Graduate How Does the Born Series Expansion Translate to Spatial Representation?
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Graduate What is the meaning of a collinear photon in Quantum Electrodynamics (QED)?
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Graduate Guage symmetry - invariance under arbitrary phase change
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Graduate What does state mean in quantum mechanics?
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Graduate Why are nuclear excited states always eigenstates of parity?
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Graduate Basic questions on collisions, particles
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Undergrad Can Light Travel Faster Than Speed of Light
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Graduate Coherence Domain in Living System
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Graduate What Determines Critical Boson Exchange Rates in Sub-Atomic Interactions?
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Graduate The Dirac delta in squere root of the absolute value
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Graduate Why does wave-function collapse occur?
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Graduate Faddov Ghosts and the non-Abelian Lagrangian
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Graduate If that other thing didn't break a rule in relativity, how about this?
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Graduate Time dependent Hamiltonians: features
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Graduate Question on particles/fields in QFT
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Graduate How Does Electron Degeneracy Allow White Dwarf Stars to Emit Light?
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Graduate Functions with operator valued arguments acting on eigenstates
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Graduate How can we solve IR divergences problem?
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Graduate Limit as distinguishable->indistinguishable
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Graduate QM focused Documentaries/lectures.
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Graduate About wavefunctions, their complex nature and their approximations?
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Graduate Examining Atoms: Violations of Thermodynamics and Relativity
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Graduate Can making a measurement change subsequent measurements?
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Graduate Global U(1) invariant of Dirac Lagrangian
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Graduate Neglecting terms in a Lagrangian
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Graduate Instanton configurations of an even anharmonic oscillator
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Graduate What is a photon in respect to electromagnetic waves?
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Graduate What's weird in the Stern-Gerlach experiment?
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Graduate Kochen-Specker As Simple Corollary Of Gleasons Theroem
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Graduate Theoretical instantanous communicator
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Graduate Degenerate Matter energy level
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Undergrad Energy levels and quantum state
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Graduate Path Integral example, analysis of integral limits for K-G theory
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Graduate Origin in Inertial Frame for Spin-Orbit Coupling?
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Graduate What are the natural generalizations (if any) to Bose and Fermi statistics?
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Graduate Quantum without Identical Particles
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Graduate What is the difference between the Copenhagen Interpretation and Quantum Theory?
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Graduate Can Longer Waves Enhance the Quantum Eraser Effect at Home?
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Graduate Can a Photomultiplier Detect Single Photons for a DIY Double Slit Experiment?
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Graduate What is U(1) Lie Group? | Abelian Lie Group | Unit Circle
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Graduate Why does attenuation coefficient decrease with increased energy?
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Graduate Exclusion Principle application to very large systems
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Graduate Two-Photon Experiment: Correlation, Factorization, and Polarization
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Undergrad Is there an equation for the energy loss of a photon in different media?
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Graduate Path integral and partition function
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Graduate Time derivative of an observable
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Undergrad What Are the Best Lasers for Optics Experiments?
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Graduate Is the S-matrix at high energies affected by time dilation?
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Graduate Bose-Einstein condensate of photons
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Graduate How can I ignore information in my wave function?
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Graduate Question about quantum tunneling?
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Graduate How Does a Laser Differ from a One-Atom Photon Amplifier?
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Graduate Question: How do symmetries and time evolution interact in quantum mechanics?
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Graduate Probability amplitudes and photons
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Undergrad What is Information? Simplest Answer
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Undergrad The Distinction Between Fact and Opinion: Can it be Proven?
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Graduate Double slit in macroscopic world
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Graduate Is there anyting really entangled in Quantum Entanglement ?
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Graduate SHO Ladder Method missed states?
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Graduate Derive Schwarzschild Eq. without 4D Space/Tensors
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Graduate Is the Electromagnetic Field a Classical or Quantum Field?
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Graduate Examples of quantum mechanics predictions
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