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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

A question about quantum entanglement
Graduate Unraveling QM Postulate 3: From Origin to Implications
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Graduate How can I apply quantum mechanics to describe a photon gas in a box?
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Graduate Two-particle fermionic basis states
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Graduate Mixed State Eigenfuntion Equations
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Undergrad Double slit experiment with electrons and larger particles
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Graduate Why do we have to use operators in QM?
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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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  • Poll Poll
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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