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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 On computing quantum waves exactly from classical action
Graduate What is spin up and spin down?
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Graduate Why Is Classical Dirac's Field Considered to Have No Physical Meaning?
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Undergrad What does * mean and how is it used
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Undergrad Eigenvalues for particle in finite square well
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Graduate Another doubt regarding wavefunction.
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Graduate Can someone explain the Schrödinger equation?
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Graduate English Translations of Original QM Sources: Find Textbook & Papers
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Graduate Why Does the Electron Not Fall Toward the Nucleus in QM?
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Graduate How can this possible tricky situation be explained?
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Graduate OK Corral: Local versus non-local QM
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Graduate Quantization of EMR in charge acceleration
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Graduate Imaginary Action Friends: Ann. Phys. & Textbook for Tunneling
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Graduate Fundimental frequency of subatomic particles.
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Graduate Field operators in canonically transformed representations of the CCRs
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Graduate What will happen in the following scenario?
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Graduate Double Slit Experiment with Interference Patterns
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Undergrad Similarities/differences between EM waves and particle waves
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Graduate Statistical Quantum good question
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Graduate What Happened to Heisenberg's Constant in Planck Units?
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Graduate Minimum energy for a spin flip?
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Graduate Is Quantum Probability Shaping Our Understanding of Particle Behavior?
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Graduate No experiment can be repeated? (2 questions)
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Graduate How much does the uncertainty in position increase with time?
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Graduate What is the role of time evolution in the behavior of different types of waves?
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Graduate Double Slit Experiment: Questions and Answers
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Graduate How long do photons live not in a vacum?
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Graduate Non-local Realistic theories disproved
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Graduate How Many People Actually Understand QM?
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Graduate Quantum mechanics and spacetime
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Graduate Why probilities and not definates.
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Graduate If, as Richard Feyman insisted, nobody understands quantum mechanics
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Graduate Fourier transform limited photons?
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Graduate How is a particle's spin detected in quantum mechanics?
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Graduate Quantum nonlocality without hidden variables: An algorithmic approach
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Graduate WKB and perturbation theory.
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Graduate Renormalization differential equation ?
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High School Life Span of a Photon - Photonics.com
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Graduate Thermal equilibration of a quantum system
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Graduate Tunneling electrons through a magnetic dielectric
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Graduate Angular momentum quantum numbers
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Graduate Understanding the idea of coherence
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Graduate The potential step and Tunneling
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Graduate How would you define Frequency in terms of quantum model?
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Graduate Polarizers spectrum selectivity
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Graduate Measuring two dynamic quantitites
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Graduate Proving Symmetry of Solutions in 1D Potential
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Graduate At Absolute Zero: Examining He Atom Universes
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Graduate Values of the agular momentum quantum number
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Graduate Quantum mechanics: Myths and facts
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Graduate What Are Coherent States and Their Relation to Perfect Solutions?
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Graduate Can an Infinite Potential Barrier Conserve Energy in Real Life Scenarios?
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Graduate Standard deviation of expectation values
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Graduate One more question about Young's double slit experiment
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Graduate Question about electron tunneling
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Graduate Good Quantum Numbers: Helicity & Invariants
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Graduate Cool research: quantum secrets of photosynthesis
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Graduate Why do light particles behave like waves?
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High School A question and theory about light
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Graduate Something that's bothered me for a while
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Graduate Does this hold in general ? (as an approximation only)
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Graduate Position vs. Harmonic basis for solving S.E.
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Graduate Functional integral (semiclassic formula)
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Graduate Questions About Electromagnetic Radiation from Electricl Discharge
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Graduate Is Time Quantized? Investigating the Possibility
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Undergrad Why is the average moment of a dipole zero?
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Undergrad Integers in Bohr's atomic theory
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Graduate Solving Supersymmetry Q: U_R(1) Symmetry & theta*Q
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Graduate How is the conjugate momentum defined in the Schrödinger picture of QFT?
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Graduate Hidden Variable: The Role of Genetics and Parents in Twins
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Graduate Why Don't Electrons Fall into the Nucleus Despite the Coulomb Force?
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Graduate Is there no energy conservation?
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Undergrad Majorana Equation Explained for Newbies
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Graduate Quantum Mechanics: Equal Probabilities Explained
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Graduate Divergence of a partition function
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Graduate Degenerate perturbation theory question
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Graduate Atom's Place and Speed: A Curious Question
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Undergrad Interference Pattern: Non-Laser Light Sources
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Graduate Can a single proton be trapped in a Penning trap? And what happens to it?
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Graduate Degeneracy in 3-D Rectangular Boxes: Explained
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Graduate 2 slit trouble with vapor trails
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Graduate Understanding Wavepacket Spreading in QM
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Graduate Can Self-Study Clarify Basic Quantum Mechanics Concepts?
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Graduate Does quantum pair creation violate conservation of energy?
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Graduate Can Entanglement Challenge Our Understanding of Measurement and Simultaneity?
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High School Does Light Have Mass or Is It Just Energy?
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Graduate Central Potential: Eigenstates Depend on Coordinates
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Graduate DOes the trace determine the Hamiltonian
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Graduate N=2 Supersymmetric Quantum Mechanics
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Graduate How Do Commutation Relations Fit into the Concept of a Lie Algebra?
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Graduate Explicit formula the nth eigenfunctions of the quantum harmonic oscillator?
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Graduate How Does Size Influence Quantum Phenomena?
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High School Position of elementary particles
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Graduate Solution to nonlinear field equations
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Graduate Phase of an Amplitude Function
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Graduate Probability of classically forbidden region
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Graduate Physical significance of othogonality condition?
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Graduate How Does the Speed of Light Reflect?
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Graduate Composite Hilbert Spaces and Operators
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Graduate Eigenfunctions in Hilbert Space, Infinite Square Wells and Uncertainty
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Undergrad Particle Stream/Beams: Possible Proton & Neutron Streaming?
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