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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 Understanding Barandes' microscopic theory of causality
Undergrad How ionization energy can be lower than band gap?
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Graduate Is There a Layman-Friendly Explanation for Quantum Gravity Theory?
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Graduate Quantization of Angular Momentum Under Boosts
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Graduate A calculation about coherent state
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Undergrad What branches of mathematics are used to create this pattern?
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Graduate This forum gives conflicting info on the HUP
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Graduate Do all photons have the same electric field
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Graduate Complex wavefunctions and probability
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Graduate Understanding the Dual of an HO Energy Eigenket
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Undergrad Can anyone tell me exactly what this represents?
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Graduate Black Bodies, the UV Catastrophe, and Plank's Quantum assertion
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Graduate When does ΔxΔp equal h/4pi in the uncertainty principle?
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Graduate Infintesimal transformations and Noether's theorem
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Graduate Bell’s theorem still reverberates - article
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Graduate Physically valid wave funtions
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Graduate Quantum Mechanics: Complex Wavefunctions Explained
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Graduate Is the Planck Length a 3d area?
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Graduate Optical molasses at high intensity (forces in OL's)
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Graduate Bound States of Infinite Square Well
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Graduate New version of double-slit experiment
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Graduate Testing whether entanglement is a matter of information or non-local?
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Graduate Path integral Quantum Mechanics
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Graduate Is this section of the wikipedia page for gamma matrices wrong?
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Graduate SU_L x SU_R and SU_V x SU_A equivalence
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Graduate QFT - Commutator relations between P,X and the Field operator
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Graduate Single photon energy and multiple observers
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Graduate New Evidence for Pilot-Wave Theory
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Undergrad So just HOWdoes magnetism work?
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Graduate Really quick explanation for gauge theory?
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Graduate Uncovering the Mystery of the Wavefunction in Quantum Mechanics
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Graduate Quantum wave bursting out of 100 jars
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Graduate Hermitian conjugate of the annihilation operator
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Graduate What Does it Mean for a State to be Populated?
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Graduate Why Is Infinite Degrees of Freedom Important for Thermal States?
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Graduate Wave-particle duality confusion
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Graduate Ladder operators and the momentum and position commutator
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Graduate Continuous (non-discrete) Quantum States
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Graduate Uncertainty Principle and the Infinite Well
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Graduate Understanding Feynman's Approach to Covalent Bonding in Hydrogen Molecule
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Graduate Poles Arising in a Scattered Particle in a Delta Potential
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Graduate What is meant by the frequency of a single photon?
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Graduate Conmutative Hermitian operator in degenerate perturbation theory
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Graduate Finite Square Well: Deriving Eq. (1)
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Graduate Trying to understand the WKB approximation
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Graduate Use Green's Function calculate photonic density of state
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Graduate Is There a Deeper Connection Between Orbital Angular Momentum and Particle Spin?
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Graduate How can a particle be in a classically prohibited region?
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Graduate Bibliography to understand Fermi, Bose and Boltzmann statistics?
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Graduate What Happens to Photons in the Double Slit Experiment?
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Graduate Pauli exclusion, symmetry, and electric repulsion
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Graduate Why does rotational invariance have to do with spin?
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High School Understanding the Process of Cold Welding
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Graduate What is intrinsic time-dependence in the Schrödinger picture?
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Graduate Negating the need for anything actually solid
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Graduate What is the meaning of an integrable model being SU(3) invariant?
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Graduate Uncertainty principle & simultaneous measurement
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Graduate Why don't creation and destruction operators conmute?
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High School Can someone tell me planck constant?
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Graduate At most explicit time-dependent operator
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Graduate How does Compton scattering suggest photons?
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Graduate What Happens to Schrodinger's Cat When Measuring an Entangled Atom?
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Graduate Commuting, non-commuting, anti-commuting
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Graduate Understanding Commutators in Quantum Mechanics: General and Specific Questions
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Graduate Energy levels and Hilbert Spaces
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Graduate Concerning the sparcity of the real-time quantum propagator
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Graduate Radioactivity and Quantum Zeno Question
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Graduate Iteration method for density equations
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Graduate Can Deterministic Chaos Mimic True Randomness?
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Graduate What is Bob's task (Geason and Busch)
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Graduate How Does Shot Noise in a Photodiode Lead to White Noise Characteristics?
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Graduate In ground state, are spins aligned or anti-aligned?
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Graduate Finding A Solution Using the Ladder Operators
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Graduate Two atoms in an optical cavity.
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Graduate Boundary and Continuity Conditions in 2D Potential Problem
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Graduate Stern-gerlach vs zeeman effect = paradox?
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Graduate Quantum Causality: Pauli's Definition Explained
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Graduate Taylor Series Expansion About a Local Minimum
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Undergrad Potential Barrier for different types of junctions
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Graduate Can We Truly Touch Anything at the Atomic Scale?
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Graduate Simulating Closed Timelike Curves through Quantum Optics
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Graduate Question about SPDC (Making entangled photons)
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Graduate When you measure an entangled particle is it obeying a symmetry law?
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Graduate How Can We Describe a Coupled System and Heat Bath in Quantum Mechanics?
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Graduate Schrödinger's Cat, uncertainty, and observation question
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Graduate A new look at quantum mechanics?
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Graduate Photoelectric Effect: Understanding Kinetic Energy of Electrons
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Graduate Photons -- where am I going wrong?
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Graduate Double Stern-Gerlach experiment
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Graduate Modeling a measurement as unitary
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Graduate Can the bare mass of a photon be set to zero in gauge theories?
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Graduate Understanding Hermitian Operators for QM Beginners
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Graduate How can I construct singlet, triplet, and more with S=1 ions?
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Graduate D-Wave quantum computer processor
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Graduate Double Slit Experiment: Observer Effect & Measurement Problem
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Graduate Unseen Light's Puzzling Behaviour
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Graduate Is Probability the Same as Possibility in Quantum Physics?
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Graduate Can Tritium Undergo Nuclear Decay in 1 Second or 1 Eon?
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Undergrad About compton's effect of shift in wavelengths
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Graduate Double Slit and Shroedinger's Cat
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Graduate Planck's law for longer wavelengths
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