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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

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