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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

I Question about discussions around quantum interpretations
How Do Fermi and Bose Statistics Explain Particle Behavior in Quantum Mechanics?
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Is the particle able to penetrate finite barrier?
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What is a probability amplitude?
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Can information be transfered via entaglement?
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Do Atoms Literally Behave as Waves?
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What is residual Coulomb interaction and why does it exist?
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Can a computer be an observer?
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How do we measure particle momentum?
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In a quantum fluid, we know that it is difficult to add or destroy a
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Help with Understanding CH27 of Srednicki
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Dual Light Sources in Dual-Slit Experiment?
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Visualization of entanglement when relative speeds differ greatly
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Does Electric Charge Have a Definite Value or Does Uncertainty Apply?
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Basic conceptual/intuitive question on molecular vibrations and rotations.
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What is the Scale Dependence of Coupling Constants in QFT?
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OMG another Virtual Particle question. Runnnn
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How Much Radiation is Harmful?
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What is the origin of the strong red line in the sodium emission spectrum?
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Normalization of wave function .
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What would happen if the uncertainty principle was false?
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Photons from separated sources can be entangled - after they were detected
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Is the Wave Function Real? Evidence from the Frankenstein Photon Experiment
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Eigenvalue of momentum for particle in a box
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Two-slit experiment and The Truth
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Can Quantum Waves Really Have Mass?
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How is Compton scattering calculated without using quantum field theory?
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Photon Reflection & Randomness - Is it Correct?
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Why does neutral fluorine so reactive?
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Photoelectric effect, discrete values of the tangent
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Srednicki CH26 Explained: Solving Eqn 26.7
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Understanding Degenerate States: Rules & Equations
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Momentum in an Infinite Square Well
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Do black holes agree with the pauli exclusion?
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Quantum Entanglement (A source saying QE exceeds the Speed of Light)
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Particle Spin, Isospin, weak Isospin
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An Idea I've been Thinking of
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Consequences of Hardy's paradox and joint weak measurement
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Dirac equation in curvilinear coordinates
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The action principle in quantum theory
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Fermi's Golden Rule (Decay Amplitude)
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Young experiment in gravity field
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How Does Photon Entanglement Influence Light Reflection on Curved Surfaces?
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Measuring Spin of Qubit: Analyzing Algebraic States
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Uncertainty Principle in Wilson Cloud Chamber Measurements
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Is There a Classical Analogue of Spin Angular Momentum in Dirac Fields?
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References or aids in learning QM?
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About mixed state and pure state
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Wavefunction collapse and measurement
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Resources for information on Entropy
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What is the wavefunction of the localized particle?
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Anti-Bonding/Bonding Molecular Orbitals
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Proof of trace of density matrix in pure/mixed states
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Eigenvalues of a reduced density matrix
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Bell's Inequalities and Double Dependencies on Hidden Variables
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What Makes Quantum Entanglement So Intriguing?
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Radiation by accelerating charge
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Calculating Spinning Probabilities in Richard Feynman's QCD
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Compton Scattering: What is the Difference from Electron-Photon Absorption?
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Recovering lagrangian from equations of motion
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Understanding the speed of light
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Squaring the delta function in QFT(Srendicki ch11)
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Why Does Weinberg Extend Energy Integration to Negative Infinity?
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Can two photon emerage into one?
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Associativity problem with observables
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Interaction in QED: Electron/Proton Attraction & Repulsion
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Quantum optics, 2 qubit gates acting on 2 qubits - cannot be factorized?
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Zee QFT In a Nutshell Propagator Question
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Understanding Spin & Angular Momentum
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Question about Pauli exclusion principle
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Heisenberg uncertainty principle
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Planck black body formula question
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Slit diffraction: time between emission and detection of photon
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What Causes 2n^2 Vacancies in Atomic Orbitals?
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Do photons travel in straight lines?
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Calculating Effective Mass of InGaAs Alloy
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Is There a Smallest Time Interval in the Quantum World?
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Atom & Universe: Similarities & Dissimilarities
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Von Neumann entropy in terms of the tangle
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Interpreting the probability distribution of the potential step
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Relativistic Uncertainty Principle
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Is the Momentum of a Photon Conserved in Matter?
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Spin Explained for the "Wikipedia Physicist" - No QM Needed!
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Why Do These Quantum Mechanical Selection Rules Result in Zero?
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Visualizing Electrons as Probability Densities
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Quantum / gauge field -> Classical limit
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Relativistic Mechanics of Hydrogen Like S Orbials at high Z
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I'm just wondering, what causes the existence of quantum levels?
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Dirac equation & Dirac matrices
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Is Geometric Quantum Mechanics a Viable Alternative to Hilbert Space?
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Information erasure without an energy cost
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Feynman Diagrams for Exam Prep: Position vs. Momentum Space
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How Does Photon Spin Relate to Frequency and Polarization?
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How does a photon carry force?
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Schrodinger Equation: Kinetic Energy Impact?
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Calc Poisson Bracket: {π,∂φ} Calculation
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Question about upper energy limits.
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Fermions with no mass, and helicity coupling.
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Are quarks really in isocoles triangle positions?
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Can Energy and Interactions Create Electrons?
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How Does the Heisenberg Uncertainty Principle Challenge Classical Physics?
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