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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 Universal quantum physics
Graduate Understanding Quantum Numbers and Their Limits in Particle States
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Undergrad I2 Gas Molecules: Uncertainty in the Double Slit Experiment?
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Graduate Delayed choice and information erasure
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Graduate Unveiling the Connection Between SR and Multiparticle Picture in QM
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Graduate New Feynman Rules in QED from Counterterms
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Graduate Solve Gaussian Integrals: QFT Explained & Math Book for Physicists
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Graduate Conditions for translational invariance in space/time for a 2-point function?
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Graduate Where can I learn how to manipulate operators?
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Graduate Quantum Optics and Coherence Functions
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Undergrad Correct units to derive Ryberg Constant in ev
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Graduate How Is Spatial Coherence Derived from Heisenberg's Uncertainty Principle?
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Graduate Field is more fundamental than particles
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Graduate Question about the Pauli exclusion principle.
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Graduate Gauge symmetry for spin 1/2 fields
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Graduate What was the quantum state at t=0 (big bang). Many thanks.
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Graduate Entagled pair and speed of light
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Graduate Riemann vs. Lebesgue integral in QM
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Graduate Operator-Valued Functions in Quantum Field Theory: Degrees of Freedom?
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Graduate Can an operator change a wave equation without changing the system?
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High School How to explain uncertainty principle to a freshman
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Graduate Double Slit Exp: What Really Happened?
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Graduate Why quantum field theory is not called quantum mechanics of changeable number particl
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Graduate Constructing Physical Asymptotic States in \phi^{4} Theory: A Rigorous Approach
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Graduate Many Boson Wavefunction (Non-Interacting)
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Graduate Joy Christian's disproof of Bell
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Graduate How Can Wick's Theorem Be Applied to Schwinger-Dyson Equations?
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Graduate What Are the Key Controversies in Quantum Measurement Theory?
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Graduate Novice question on Quantum Mechanics
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Graduate Does the wave–particle duality apply only to electrons and photons?
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Graduate Understanding Second Quantization and Its Application in Quantum Mechanics
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Graduate Spin Triplet of Ortho Helium - Why Total Spin is 1?
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Graduate Does photon spin imply its polarization
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Graduate Quantum Coherence - matter or energy?
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Graduate DBB vs EPR & GHZ: Questions & Answers
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Undergrad Some very simple double slit experiment questions
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Undergrad Mystery history of double-slit experiment with electrons
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Graduate Are spin-up and spin-down electrons distinguishable or indistinguishable?
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Graduate Quantum Exam Review: Answers & Info to Questions
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Graduate Is retro-causality a science fact?
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Graduate Tight Binding Description of Graphene (Hamiltonian and Overlap Matrix)
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Graduate Q.M., Q.M.+Spin, Q.M.+Relativity; C^1, C^2, C^4, why ?
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Graduate Trouble understanding a Peskin-Schroeder text
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Graduate QED: the strange theory of light and matter. Light is made of particles ?
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Graduate Double-Slit Experiment - Clarification on 'Observation'
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Graduate Why is the product of Dirac spinors a 4x4 matrix?
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Graduate Exchange Interaction - Helium
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Graduate Can We Solve for the Wave Function of Water?
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Graduate Use of potentials in Quantum theory
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Graduate Uncertainty Calculation for Quantum Physics Lab | General Physics FAQ
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Undergrad What Is Resonant Energy Transfer and How Does It Work?
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Graduate How to solve this photoelectric equation involving specific heat capacity
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Graduate Left and right-handed Weyl spinors
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Graduate Heisenberg's 1927 paper on uncertainty
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Graduate What does it mean by independent (in gauge fixing of EM field)
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Graduate Definition of Hamiltonian Density & Deriving Energy Current
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Graduate Reformulating the Hamilton-Jacobi equation: A step-by-step guide
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Graduate Does Schrodinger's Cat Paradox Suck?
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Graduate In order for decoherence to work, does it require the second law of
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Graduate In stimulated emission how does the incident photon make release of
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Graduate Difference between 'Quantum theories'
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Graduate Simple harmonic oscillator - scaled variables
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Graduate Has a loophole free test of Bell's inequalties been preformed yet?
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Graduate When Did Einstein First Encounter Quantum Entanglement?
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Graduate Is there a 'decision time' for quantum states to become fixed?
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Graduate What is the functional iW[J] for a system with 2 sources or 3 sources?
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Graduate What causes quantum coherence in superconductivity and superfluidity?
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Graduate Custom made Lagragian and Help Wanted
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Graduate How Does Fock Space Relate to Particle Interactions and States?
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Graduate Time reversal symmetry breaking
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Graduate The effect of the magnet in a Stern-Gerlach experiment
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Graduate How Do You Determine Irreducible Representations for Group Transformations?
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Graduate Double slit experiment with detectors not recording
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High School I am studying orbitals at school. They are very interesting and
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Graduate Understanding Pressure in Quantum Mechanics: Energy, Momentum, and Flux
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Watch "The Quantum Tamers" - Find Links Here
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Graduate Entanglement Experiments: Sources & Detection
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Graduate How many pure numbers relate to elementary particles?
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Graduate Quantizing the EM-Field: Eigenvalues Explained
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Graduate Uncertainty Principle Equations
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Graduate Time-reversal operator for fermions (Sakurai)
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Graduate BRS operator, ghost fields, Grassmann numbers
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Graduate Electrostatic energy in annihilation process
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Undergrad Hydrogen Spectra: Electron Jumping & Emitting Lines
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Graduate What is the concept of nonlocality in quantum mechanics?
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Graduate What units are used after eV, MeV, GeV, etc, are divided by c^2?
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Graduate Atomic particle g-factor relationship?
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Graduate Can destroy a real photon(mass on-shell) to create a pair massive particles?
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Graduate Transfering Electricity w/o Medium? (Electron Beams?)
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Graduate Uncertainty Principle: Explaining the Inequality Relation
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Graduate Are static E fields non existant?
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Graduate Local or Nonlocal Physics: The Concept of "Fields" vs. "Entanglement
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Graduate Is Quantum Entanglement Evidence of Faster-Than-Light Information Transfer?
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Graduate How Does the Transformation in Sakurai's Quantum Mechanics Work?
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Graduate Quantum fluctuations = gravity?
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Graduate Cramer's time travel experiment
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Graduate Peskin Schroeder Enigmatic Equation
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Graduate Multiple wavelengths of light through much larger single slit
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Undergrad Does Light Have Infinite Mass When Traveling at the Speed of Light?
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High School Can Quantum Tunnelling Explain the Physicist's Ice Cream Parlor Strategy?
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Undergrad Orthogonality and orthonormality ?
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