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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
Graduate Antimatter interact with massive matter through gravity.
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Graduate Particle collisions collapse wave function?
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Graduate About Feynman rules for an external field
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Graduate Young's Double Slit experiment
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Graduate Understanding the Energy of a Particle in Momentum Representation of QM
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Graduate What makes schrodinger cat quantum?
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Graduate Does a Collision in Space Affect a Spaceship's Center of Mass Motion?
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Graduate QM Questions: Intro & Two Conceptual Issues
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High School Electron Orbits and Nuclei 2- Rotation vs Orbital Motion
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Graduate Simultaneous diagonalization and replacement of operators with eigenvalues ?
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High School Does Light Have a Charge? Mystery Explored
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Graduate Generator of rotations rotations of WHAT?
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Graduate Expectation of the Wilson Loop
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Graduate Is 3s to 2s transition for Hygrogen forbidden?
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Graduate Very elementary notation question
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Undergrad Uncertainty in simple harmonic oscilator
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Graduate Understanding UV/IR Terminology in Physics
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Graduate Comparing Electrons & Quarks: Mass, Charge & Size
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Graduate The Difference Between a Few Terms
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Graduate Lorentz Algebra in Boosts for the spin-1/2 Dirac Field
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Graduate Path Integrals in QED: Solve by Substituting Classical Solution?
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Graduate A silly question I'm sure about Feynman's many paths
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Graduate Moments in QM: When Can I Say JLS^2 Approx Equal JL+S?
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Graduate Uncertainty principle violation?
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Graduate Quantum Tunneling - some silly thoughts
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Graduate Parallel universes and the Quantum Field
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Undergrad Electron Phasepositive and negative?
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Graduate Cutting off our Ignorance:renormalization
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High School Basic Explanation of Boson: What is it?
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Graduate When does entanglement actually end?
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Graduate Producing Pure States in Practical Systems: Challenges and Compromises
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Undergrad Plotting Orbitals: Easy Formulas for Non-Physicists
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Graduate Why can fermions occupy only one state and
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Graduate Integer quantum hall effect - edge states/bulk effects
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Graduate On the definition of Von Neumann entropy
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Graduate Uncertainty Principle and the size of an atom
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Graduate Auto-Compensating Polarization Changes with Mirror/Reflector and Faraday Mirror
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Graduate What Is the Explanation for the Graviton's Wave Length and Mass?
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Graduate Understanding Bra-Ket Notation in Shankar
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Graduate Schmidt Decomposition: Is It Enough to Find States?
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Graduate Do Scattering Amplitudes Have Dimensions?
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High School Something called wavevector, k
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Graduate What Is the Shape of a Free Electron Wave?
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Graduate Is the Commutation Relation for Angular Operators in Hilbert Space Valid?
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Graduate What is the relationship between matter and waves in quantum mechanics?
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Graduate Is the Matrix Representation of a Unitary Operator Always a Unitary Matrix?
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Graduate If light were an electromagnetic wave
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Graduate Short distance divergences in thermal states
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Graduate Question on step potentials and schrodingers equatio
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Graduate Is the generation of one electron at a time probabilistic or deterministic ?
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Graduate Optical Theorem: Understanding Conservation of Particles & Probability
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Graduate Time Evolution Operator & Classical Hamiltonian: Relating the Two
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Graduate Jahn-teller theorem and the CH_4 molecule
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Graduate Normal coordinate substitutions with periodic boundary conditions
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Graduate Quantum Physics and Parallel Universes and your mind
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Graduate Experimentally Verifying Photon Spin: Beyond Stern-Gerlach
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Graduate Duality of Electron: Mass, Charge and Wave Mechanics
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Graduate Is relativity the ultimate explanation for all uncertainties in physics?
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Graduate Photons and the Uncertainty Principle
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Graduate Quantum Mechianics and Telecommunications Engineering?
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Graduate First Energy Level Meaning: What Does It Mean?
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Graduate From Wave to Ket: Transform State Vector
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Graduate Welcome All: Unravelling the Mysteries of Photons
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Graduate Spontaneous parametric down-conversion practicalities
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Graduate How Do You Compute Derivatives in Dirac Notation with Mathematica?
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Graduate How Close Are We to Reaching the Landau Pole in QED?
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Graduate Is there an intermediate 'particle' to pair production?
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Undergrad What is Touching: Examining the Microscopic Level
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Graduate Understanding the Equation 2.14 and its Application in Srednicki's Theory
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Graduate Collapse of Pauli exclusion principle
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Graduate Why do subatomic particles act the way they are?
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Graduate How does the substitution in equations 3.2.4 and 3.2.5 work?
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Graduate How is Hardy's Paradox resolved in quantum mechanics?
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Graduate Combining Hamiltonians for a Two-Particle System
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Graduate Angular momentum and hydrogens atom
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Graduate Some confusion about Ballentine Sec 3.3 Generators of Gallilei Groups
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High School Atomic Energy Levels: Discrete vs Continuous
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Undergrad Photon Generation Questions and Answers
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Graduate What is a 'magnetic substate'? (Magnetic-Optical Traps)
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Graduate Is Quantum Physics the theory of everything if
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Graduate Is the concept of degeneracy in quantum states always applicable?
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Graduate Quantum mechanical resistivity
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Graduate Consider parity then it is no longer enough to talk about two spinors
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Graduate Annihilation - matter/antimatter
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Graduate Research on Black Hole Questions: Membranes vs Non-String Universe
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Graduate How Do Holes and Time Influence Calabi-Yau Manifolds in String Theory?
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Graduate Point Particles vs. String Theory
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Graduate What Is the True Nature of Vacuum Space in Quantum Mechanics?
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Graduate Is Quantum Mechanics Tried, True, Wildly Successful, and Wrong?
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Graduate Understanding Dirac Notation: A Simplified Explanation for Scientists
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Graduate How Do Gravitons and Photons Compare in Quantum Theory?
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Graduate How Does the Infinite Potential Well Illustrate the Uncertainty Principle?
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Graduate Does Electron Superposition Eliminate Angular Momentum?
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Graduate Superpositons of a uranium atom
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Graduate Quantum Teleportation Research: Particles & Distances
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Graduate Discretization of Lz: Does m Have to Be Integer?
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Graduate Wave Equation in 2 Dimensions - Basic
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Graduate SU(2) in Standard Model and SUSY extensions
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Graduate Massless Particles: Gauge Bosons, Photons & Gluons
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Graduate What is the advantage of the truncated wigner approximation?
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