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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 Are Thermal States Always Mixed States?
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Graduate What are some examples of imperfect entanglement in spin 1/2 systems?
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Graduate Solving QM-like Problem (Shankar, Coupled Mass)
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Graduate Why does the tensor product in QM produce unentangled states?
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Graduate Velocity of alpha particle within nucleus
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Graduate How can I present my new atomic model to the scientific community?
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Graduate Pasting polarized lenses to a PBS ?
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Graduate Black body radiation and maximum spectral density
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Graduate Why Is a Given State an Eigenstate of Field Operators in Quantum Field Theory?
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Graduate Increasing intensity causes a contradiction in classical physics?
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Graduate How Does Δml=0 and Δl=±1 Apply in Quantum Mechanics?
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Graduate Linear to Circular Polarisation Questions
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Graduate Is there really such a thing as a definite state?
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Graduate Tensor techniques in $3\otimes\bar 3$ representation of su(3)
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Graduate What is the relationship between frequency and wave function?
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Graduate Quantum Computing: How Fast Could It Go?
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Graduate Why does the Klein-Gordon propagator have a negative i in the exponential?
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Graduate Three-Particle Quantum Nonlocality under Strict Locality Conditions
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Undergrad Compton vs photoelectric effect.
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Graduate Maximizing Time and Energy: Prioritizing QM Topics for Novice Learners
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Graduate Hidden variables - Bell - The Law of Malus?
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Graduate Entanglement Between Photons that have Never Coexisted
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Graduate How Do Infinite and Finite Light Sources Produce Different Wavefront Shapes?
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Graduate How Do Entangled Particles Communicate Faster Than Light?
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Graduate Heisenberg uncertainty principle and wavelength of light
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Graduate Computing Wigner D-Matrices: Contradiction Found
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Graduate Quantum entanglement as a higher dimension arc?
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Graduate Why does the propagator converge?
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Graduate Rydberg Blockade: Questions on Using for Single Photon Creation
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Graduate What is conserved in the various forms/types of entanglement?
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Graduate Delayed Choice Quantum Eraser communication
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Undergrad Radiation Vectors: Wave Direction After Electron Energy Shift?
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Graduate Wave function collapse in curved spacetime
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Graduate Understand the idea of superposition
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Graduate Preparing entangled states, how is this possible in the simpest cases?
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Graduate Are fermions truly antisymmetric in their wave function?
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Graduate Can we look upon entanglement as measurement?
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Graduate Proton Decay- What happens to the proton after too many decays ?
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Undergrad Lorentz,gallilean transformation
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Graduate Measuring Plank's constant with LED's
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Graduate Photons and charged particles and dark matter
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Graduate Orthogonal eigenvectors and Green functions
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Graduate New to quantum and have a few questions
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Graduate Feynman Lectures: The Random Walk Explained
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Graduate Simultaneously testing the Kochen-Specker and Bell theorems
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Graduate Is Entanglement Finite or Timeless in Varying Spacetime Curvature?
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Graduate Why is it usually the K-shell electron that is ejected?
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Graduate How do I decide that a particle is isolated?
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Graduate Problem with Bell's lambda - again
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Graduate Is Dark Energy Linked to Vacuum Energy in QFT?
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Graduate Understanding what happens when particles have a higher energy
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Graduate Space Translation: Sidney Coleman's Lectures Problem
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Graduate Eigenvector proof from Dirac's QM
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Graduate Introduction to the development of Quantum Mechanics
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Graduate How to Derive the Number of Components of a Rank-2A Tensor in Four Dimensions?
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Graduate Cross-section for elastic scattering?
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Graduate Virtuality of a nearly on-shell photon
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Graduate Quantum entanglement and relativity of time
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Graduate Bell's inequality when efficiency < 1
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Graduate Non locality of quantum mechanics
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Graduate Do bras and inner products relate in a Rigged Hilbert Space?
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Graduate Is the Field Operator in Quantum Field Theory an Observable or a Creation Tool?
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Graduate Physical significance of eigenvalues?
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Graduate Mossbauer Effect how does it work?
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Graduate Spin and intrinsic angular momentum
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Graduate Free action invariant under galliean boosts?
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Graduate Commutation relation of the creation/annihilation operators in a field
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Graduate Schrodinger equation molecules
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Graduate Spin superposition-am I understanding things right?
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Graduate Question RE: Susskind Entanglement Lecture 2
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Graduate Calculate the Clebsch-Gordon coefficient for the SP(3,R) by SU(3)
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Graduate Doubt regarding rotations in spinor space
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Graduate Peskin/schroeder RG flow diagram
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Graduate Dirac's equation and anti-matter
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Graduate Mandl & Shaw QFT Second Edition: Sign Discrepancy on Page 361
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Graduate Is this a Deterministic Universe
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Graduate Lagrangian explicitly preserves symmetries of a theory?
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Graduate The Pauli Exclusion Principle and Repulsive Forces in Atoms
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Graduate Braking radiation and electromagnetic self action
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Graduate Manipulating spin of entangled particles
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Graduate Would dbb cause an unequalness between the paths?
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Graduate Is Gravity a Field of Virtual Particles or a Curvature of Space-Time?
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Graduate Understand Physical Significance of Functions at Time 0
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Graduate Total momentum operator for free scalar field
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Graduate What does the quantum butterfly effect tell us?
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Graduate Is there any hope at all for Locality?
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Graduate Why the off-diagonal elements of electric dipole element are zero?
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Graduate Accelerating Atomic Decay Rate of Unstable Elements
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Graduate Molecular Hamiltonian: H-Nucleus and Electron Interactions for H2 Molecule
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Graduate Why some photons are absorbed while propagating through glass
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Graduate Another double slit question - noob
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Graduate Does the Observer have anything to do with conscious choice
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Graduate Commutators; matrices? numbers? both?
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Graduate How Can Quantum Interference Control Stabilize a Frequency Comb's Carrier Phase?
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Graduate Does Cooling Radioactive Material Affect Quantum Condensate Radiation?
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Graduate Old Quantum Theory & Quantization of Action
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Graduate Nick Herbert's Proof: Quantum Non-Locality Explained
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Graduate How to get wavelength of the wave function?
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Graduate How to apply ladder operators?
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Graduate Can Tunneling Occur at 0 Kelvin with an Applied Bias?
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