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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 New interpretation for the double slit experiment with light?
Graduate OMG another Virtual Particle question. Runnnn
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Undergrad How Much Radiation is Harmful?
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Graduate What is the origin of the strong red line in the sodium emission spectrum?
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Graduate Normalization of wave function .
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Graduate What would happen if the uncertainty principle was false?
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Graduate Photons from separated sources can be entangled - after they were detected
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Graduate Is the Wave Function Real? Evidence from the Frankenstein Photon Experiment
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Graduate Eigenvalue of momentum for particle in a box
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Graduate Two-slit experiment and The Truth
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Graduate Can Quantum Waves Really Have Mass?
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Graduate How is Compton scattering calculated without using quantum field theory?
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High School Photon Reflection & Randomness - Is it Correct?
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Undergrad Why does neutral fluorine so reactive?
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Graduate Photoelectric effect, discrete values of the tangent
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Graduate Srednicki CH26 Explained: Solving Eqn 26.7
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Graduate Understanding Degenerate States: Rules & Equations
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Graduate Momentum in an Infinite Square Well
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Graduate Do black holes agree with the pauli exclusion?
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Graduate Quantum Entanglement (A source saying QE exceeds the Speed of Light)
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Graduate Particle Spin, Isospin, weak Isospin
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Graduate An Idea I've been Thinking of
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Graduate Consequences of Hardy's paradox and joint weak measurement
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Graduate Dirac equation in curvilinear coordinates
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Graduate The action principle in quantum theory
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Graduate Fermi's Golden Rule (Decay Amplitude)
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Graduate Young experiment in gravity field
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Graduate How Does Photon Entanglement Influence Light Reflection on Curved Surfaces?
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Graduate Measuring Spin of Qubit: Analyzing Algebraic States
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Graduate Uncertainty Principle in Wilson Cloud Chamber Measurements
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Graduate Is There a Classical Analogue of Spin Angular Momentum in Dirac Fields?
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Graduate References or aids in learning QM?
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Graduate About mixed state and pure state
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Graduate Wavefunction collapse and measurement
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Graduate Resources for information on Entropy
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Graduate What is the wavefunction of the localized particle?
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Undergrad Anti-Bonding/Bonding Molecular Orbitals
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Graduate Proof of trace of density matrix in pure/mixed states
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Graduate Eigenvalues of a reduced density matrix
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Graduate Interfering Photons: How Paul Dirac Explained the Double Slit Experiment
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Graduate Bell's Inequalities and Double Dependencies on Hidden Variables
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Graduate What Makes Quantum Entanglement So Intriguing?
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Graduate Radiation by accelerating charge
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Graduate Calculating Spinning Probabilities in Richard Feynman's QCD
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Undergrad Compton Scattering: What is the Difference from Electron-Photon Absorption?
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Graduate Recovering lagrangian from equations of motion
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Graduate Understanding the speed of light
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Graduate Squaring the delta function in QFT(Srendicki ch11)
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Graduate Why Does Weinberg Extend Energy Integration to Negative Infinity?
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Graduate Can two photon emerage into one?
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Graduate Associativity problem with observables
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Graduate Interaction in QED: Electron/Proton Attraction & Repulsion
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Graduate Quantum optics, 2 qubit gates acting on 2 qubits - cannot be factorized?
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Graduate Zee QFT In a Nutshell Propagator Question
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Graduate Understanding Spin & Angular Momentum
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Graduate Question about Pauli exclusion principle
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Graduate Heisenberg uncertainty principle
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Graduate Planck black body formula question
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Graduate Slit diffraction: time between emission and detection of photon
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Graduate What Causes 2n^2 Vacancies in Atomic Orbitals?
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Undergrad Do photons travel in straight lines?
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Graduate Calculating Effective Mass of InGaAs Alloy
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Graduate Is There a Smallest Time Interval in the Quantum World?
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Undergrad Atom & Universe: Similarities & Dissimilarities
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Graduate Von Neumann entropy in terms of the tangle
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Graduate Interpreting the probability distribution of the potential step
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Graduate Relativistic Uncertainty Principle
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Undergrad Is the Momentum of a Photon Conserved in Matter?
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Undergrad Spin Explained for the "Wikipedia Physicist" - No QM Needed!
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Graduate Why Do These Quantum Mechanical Selection Rules Result in Zero?
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Graduate PF is a resource for questions about Peskin & Schroeder
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Graduate Visualizing Electrons as Probability Densities
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Graduate Quantum / gauge field -> Classical limit
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Graduate Relativistic Mechanics of Hydrogen Like S Orbials at high Z
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Graduate I'm just wondering, what causes the existence of quantum levels?
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Graduate Dirac equation & Dirac matrices
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Graduate Is Geometric Quantum Mechanics a Viable Alternative to Hilbert Space?
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Graduate Information erasure without an energy cost
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Graduate Feynman Diagrams for Exam Prep: Position vs. Momentum Space
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Graduate How Does Photon Spin Relate to Frequency and Polarization?
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Graduate How does a photon carry force?
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Graduate Schrodinger Equation: Kinetic Energy Impact?
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Graduate Calc Poisson Bracket: {π,∂φ} Calculation
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Graduate Question about upper energy limits.
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Graduate Fermions with no mass, and helicity coupling.
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Graduate Are quarks really in isocoles triangle positions?
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Graduate Can Energy and Interactions Create Electrons?
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Graduate How Does the Heisenberg Uncertainty Principle Challenge Classical Physics?
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Graduate New look at Youngs experiment
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Graduate Where Does Charge Originate in Antimatter and Elementary Particles?
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Graduate Is the Photon a Unique Entity or a Chain of Energy Interactions?
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Graduate Uniqeness of elemental particles
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Graduate Concervation of Momentum and Non-Classical Paths
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Graduate QFT - interaction between field
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Graduate Why does this integral go to zero?
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Graduate Plotting 6pz Orbitals with Python and Mayavi: Any Tips or Experience?
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Undergrad About the excited state of an electron
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Graduate Can someone explain this quantum physics concepts to me?
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Graduate How to Calculate Momentum using QM Completeness Relation?
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Graduate Calculating weights of Feynman Diagrams
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Graduate Quantum Mechanics: Angular Momentum & S_z
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