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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 Question on Stern Gerlach experiment
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Graduate Lacking information of the general quantum physics explanation
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Graduate Elementary QFT question, part 2
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Graduate Quantum immortality and engineering your universe?
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Graduate How many believes in Quantum Immortality ?
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Graduate QFT Commutator (momentum and Hamiltonian) Issue
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Graduate Heisenberg uncertainty principle derivation and canonically conjugate vairables?
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Graduate Quantum Coaching on company website
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Graduate Is every Hamiltonian necessarily Hermitean?
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Graduate Self-learning QFT for mathematicians
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Graduate Non-separability and solipsism
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Graduate BRST Transformation: Notation & Nilpotency of s Operator
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Undergrad Light propagation through polarizers
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Graduate Explaining Continuous Time Random Walks: What Is It and How Is It Used?
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Undergrad Trouble understanding band theory
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Graduate Why vacuum has negative pressure?
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Graduate Trouble understanding spin-1 Pauli matrices
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Graduate Is There a Connection Between Quantum Physics and the Golden Ratio?
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Graduate Entanglement carrying data variant
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Graduate Is There an Alternative to Fermi's Golden Rule for E&M Wave Equations?
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Graduate Freewill = Macro Quantum Mechanics?
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Graduate What Are the Commutator Relations Between Hermitean Operators A and B?
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Graduate Spin Angular Momentum matrix of an antineutrino
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Graduate Adiabatic Curvature - Deduce the Local Adiabatic Curvature K
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Graduate Electromagnetic field in vacuum
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Graduate Delayed Quantum Erasure Double Slit with Observer Choice Available
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Undergrad Can Energy Be Converted to Mass?
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Graduate Wondering about QM whether things are actually all deterministic?
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Graduate Cause of the Heisenberg Uncertainty Principle
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Graduate A Few Clear Questions on the Nature of Quantum Theory
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Graduate How Do Photons Relate to Light's Wave-Particle Duality?
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Graduate DoF of a Gauge Boson - Why Only 1 for Virtual Photons?
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Graduate Transfer matrix, section in Jan Smit's book on Lattice Fields theory
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Graduate Simplified Hausdorf-Campbell formula
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Undergrad What Are the Dimensions of One-Dimensional Wave Functions?
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Graduate Is the Uncertainty Principle Statistical? And if so
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Graduate Find Matrix Representation of Green's Function | References
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Graduate The origin of the quantum vacuum?
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Graduate Is Quantum Mechanics Applicable to Everyday Life in the Macrocosm?
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Graduate Solution to the Klein Gordon Equation
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Graduate Pervasiveness of linear operators
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Graduate Schroedinger's cat experiment, my question?
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Graduate Quantum Entanglement : Spooky action at a distance
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Graduate Particle in a box: commuting energy and momentum operators
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Graduate Struggling to understand the concept of spin triplets
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Graduate Lagragians for spin 1/2 fields
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Graduate About the unit of Radial wave function R(r) of Hydrogen atom
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Graduate What is the relationship between Hilbert Space and space-time?
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Graduate Energy in Schrodinger’s Equation
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Graduate Wondering about entanglement at it's most basic level?
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Graduate Is space continuous or discrete?
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Graduate Second quantization particle current
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Graduate Can an Electron's Angular Momentum Change by Absorbing Virtual Photons?
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Graduate Why Does a Photon Not Have a Spin Component Sz=0?
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Graduate Generator of Rotations: J_x, J_y, J_z Relationship
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Graduate Momentum Operators and the Schwartz Integrability Condition
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Undergrad Is an Electron a Boson or a Fermion?
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Graduate Pauli matrices with two spacetime indices
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Graduate Quantum Weirdness: Vacuum Energy & Wave Functions
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Graduate Time derivative of a Schrodinger-picture operator?
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Graduate Understanding Spinors: Rank-1/2 Tensors & Square Roots of Vectors
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Graduate Expectation Value: My Understanding vs. Prof.
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Graduate State Vector Concepts in Quantum Mechanics: A Beginner's Guide
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Graduate Uncertainty Operators in Nouredine Zettili's Book
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Graduate When is the norm of a state equal to 1?
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Graduate Quantum Physics: Move of a Particle
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Graduate Why is the hidden variable theory wrong?
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Graduate Parity operator and change of variable question
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Graduate Does the Elitzur-Vaidman Bomb Tester Reveal the Path of a Photon?
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Graduate Pan proto experientialism and the quantum exchange interaction
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Graduate Negative Probability: Is It Possible?
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Graduate Classical radius of nucleons and quarks
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Graduate Probability of Polarization Amplitudes - Frank's Question
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Graduate Is Quantum Entanglement the Key to Understanding Particle Measurements?
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Graduate How to Experimentally Obtain Wavefunction Parameters?
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Graduate QFT around fixed classical backgrounds
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Graduate On the quantum physical theory of scattering
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Graduate Is the Product of Expectation Values Always True in Quantum Mechanics?
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Graduate Why Does the Domain Transform to Keep the Time Dependent Operator Self Adjoint?
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Graduate Ground State Parity in One-Dimensional Potentials
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Graduate Can Quantum Tunneling Enable Controlled Thermonuclear Fusion?
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Undergrad Do Photons Spin in Our Reference Frame?
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Graduate The spectral theorem and Hamiltonians
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Graduate Adding Angular Momenta: Rules of Thumb?
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Graduate Hermitian conjugate of spinor product (Srednicki ch 35)
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Graduate What is the furthest distance particles can interact and still become entangled?
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Graduate What does this notation mean exactly?
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Graduate Origin of Photons Irrelevant in Double Slit Experiment?
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Graduate Why in nature there is no spinless fermion?
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Graduate Special case of energy value for a particle in a non zero potential region
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Graduate What Does Quantization Mean for Electromagnetic Fields in Quantum Field Theory?
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Graduate Lifetime of a Photon: Electron-Positron Annihilation & Speed of Light
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Graduate Euclidean geometry doesn't exist?
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Graduate Photon Interaction: A Comprehensive Guide
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Graduate Heisenberg equation of motion for fermions?
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Undergrad Can Energy Gaps Determine Electron Excitation and Decay?
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Graduate Elitzur–Vaidman Bomb-Tester Extension for Boolean Variable Return
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Graduate Solving the Mystery of Schrödinger's Cat and Its Qualified Observer
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Graduate The Polarization of electron ?
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Graduate Wave Particle Duality and its relation to the Wave Function
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