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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 Bell's theorem and measurements not done
Graduate Quantum uncertainty on macroscopic scale
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Undergrad Electron Transition: Why Doesn't Excited Electron Absorb Extra Photon?
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Graduate Understanding the Infinite Square Well Problem | Bound States & Eigenfunctions
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Graduate Can Quantum Mechanics Explain the Paradox in Modified EPR Experiments?
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High School How Does Light Become Polarized by Reflection?
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Graduate Bundle of energy, but does it have mass?
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Graduate Dirac delta function is continuous and differential
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High School Thomas Young's Double Slit Experiment
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Graduate Momentum conservation in the photoelectric effect
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Graduate About an (informal, discussion-oriented) Quantum Physics model
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Graduate Why is linear algebra essential in understanding quantum mechanics?
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Graduate Questions on Quantum Physics: Compton's Scattering & Dirac's Relativistic Energy
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Graduate Quantum Measurements and Macroscopic Objects
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Graduate Nuclear magnetic resonance dipole dipole interaction
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Graduate Understanding the Wavefunction: Interpreting its Role in Quantum Mechanics
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Graduate Derived form of plancks distance
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Graduate Pion Nucleon Scattering and Group Theory in Quantum Field Theory
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Graduate Wilson loops (srednicki eqn. 82.37)
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Graduate Wick rotation is consistent with caculus?
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Graduate Having trouble understanding the wave function collapse.
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Graduate How Does Bifurcation in Dynamical Systems Influence Information Generation?
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Graduate If a system is made of 3 atoms with no degeneracy with energy levels
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Graduate Solving the Measurement Problem: Imagine Yourself in a Room
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Graduate Quantum Locality: Resolving QM and SR Compatible?
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Graduate Reconstruction of potential V(x)
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Graduate Self-Adjoint Operators and Reversible Logic gates
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Graduate About Feynman's 'QED:The strange theory of light and matter'
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Graduate Did Scientists Prove Current Measurements Change the Past?
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Graduate Understanding Unpolarized Current & Light
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Graduate I think I have good questions About superposition and splitting
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Graduate Negative energy photon emission
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Graduate How Can Degenerate Perturbation Theory Help Identify Zero Order Eigenstates?
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Graduate Quantum Superposition Explained - Is It Possible?
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Graduate Reality, locality and determinacy.
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Graduate What is the relationship between quantum bits and classical measurements?
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Graduate New Law of Physics Could Explain Quantum Mysteries
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Graduate Photons do not travel in straight lines
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Graduate Transition from QFT to Classical Physics using Path Integrals?
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Graduate Entropy and the Uncertainty Principle
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Graduate Euclideanizing Action: Refs & Fermionic/Spin-1 YM Actions
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Quick Question: Normalising phi for the Hydrogen atom.
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Graduate Problem with Path Integral Expressions in Peskin And Schroeder Section 9.1
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Graduate One atom in space what happens
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Graduate Simplified Heisenberg Hamiltonian; Linear combinations of basis states
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Graduate Is the Classical Limit of Quantum Field Theory a Valid Inquiry?
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Graduate Why is Rabi frequency important in physics?
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Graduate How does the interaction between two quantum systems form entanglement?
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Graduate Sampling at 1/n Planck Time: Synchronizing Samplers and Analyzing Data Values
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Graduate What is the Weyl symbol and its relation to the propagator in QFT?
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Graduate Pauli's exclusion principle and cooper pairs
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Graduate Quantum Leaping & Perpetual Motion?
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Graduate Does particle interaction take time?
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Graduate Quantum Cosmology - Imaginary Time
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Graduate Quantum Theory & Null Hypothesis: Impact & Obsoleteness
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Graduate Path Integral Propagator Normalization in Lewis Ryder's QFT book
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Graduate Photoelectric and Compton Effects
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Graduate What Are the Forbidden Regions in Finite Square Wells?
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Graduate Is the Born Approximation in Cohen-Tannoudji vol 2 textbook accurate?
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Graduate What's the total angular momentum operator for a system of two particles?
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Graduate Photon wavelength quantization?
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Undergrad Where do electromagnetic waves not penetrate through holes?
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Graduate Can Bethe Ansatz Solve Multiple Fermionic Particles in a 1D Infinite Well?
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Graduate Understanding Spin Density Matrix Invariance
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Graduate What do you think these Weak Measurement, Quantum Uncollapse Tests. Re-write QM?
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Graduate Can a Quantum Mechanic Fix Your Physics Problems?
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Graduate Time and Space Theory (pleas critic and give your ideas)
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High School Seeking Point Particle Explanation
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Graduate Fermions in bound states and their wavefunctions
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Graduate Hilbert space dimension contradiction
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Graduate What preliminary knowledge of QM should I know before learning QFT
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Graduate Invariance of Schrödinger's equation
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Graduate What is the significance of the LSZ reduction formula in Srednicki's QFT book?
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Unreliable Sci-Fi Writer Attributes Quantum Flux
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Graduate Why is a probe field necessary in pump-probe experiments?
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Graduate Little fundamental question
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Graduate Diffraction Grating Video (QED)
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Graduate Answer Me Precisely: Electronic Density Probability
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High School Cave of the Winds, CO - photons
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Graduate Why Do Electromagnetic Interactions Involve Photons as Mediators?
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Graduate Is free will possible in Conway and Kochen's FW theorem?
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Undergrad Understanding Atom Excitation: Natural vs Triggered Movement and Photon Emission
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Are there any real quantum experiment videos available online?
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Graduate Question on function of operators
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Graduate Are Quantum Boundaries Indefinite?
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Undergrad I really with spin quantum number.
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Graduate Second Quantization: What Is It?
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Graduate Wavefunction for particle inside a disk
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Undergrad Photoelectric Effect and light as a particle
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Graduate Non-degenerate and degenerate perturbation theory
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Graduate Virtual Particles: Real or Not?
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Graduate Energy, Time, Position, Momentum which is more fundamental?
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Graduate Fourier transform of a wave equation
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Graduate The Energy Levels of a Quantum Harmonic Oscillator
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Graduate Why Is the Hermiticity of the Density Operator Important in Quantum Mechanics?
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Graduate What is the relationship between temperature and emissive power for a gas?
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Graduate Why is the sum over all connected diagrams with a single source in QFT zero?
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Graduate Isn't classical spin an instance of spin 1?
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Graduate Spin 360 rotation - experiment
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Graduate Could Electrons Have an Internal Structure Beyond Fundamental Particles?
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Graduate Is causality challenged by quantum theory's reliance on indeterminacy?
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