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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 One does not “prove” the basic principles of Quantum Mechanics
Do Relativistic Effects Impact Probabilistic Quantum Mechanics?
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Can calcium ions be used as a source of entangled photons
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What is the difference between entanglement and coherence
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Stern Gerlach and Nuclear Spin?
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Why Does the Stern-Gerlach Experiment Show Discrete Deflection Angles?
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Question reguarding superpostion
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Probability of entangled photons passing filter independent?
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Graduate Shocker: PR Box is logically inconsistent
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Undergrad Is the collapse indispensable?
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Is macroscopic entanglement a hidden property of all objects?
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Energy eigenvalue and mass inverse relation?
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Can you name a few interactions that entangle particles
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SO(4) symmetry in the Coulomb potential
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Increase of Uncertainty over Time
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Why can we believe the value of field is fluctuated?
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What Term must be used for this formalism?
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Photon energy in Heisenberg picture
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Any difference between BEC correlations and entangled states
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Ergodocity and unitary evolution
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Is this mathematical proof that beamsplitters entangle photons
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How to measure momentum in principle?
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Formation of stars and non-conservation of angular momentum
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How does a virtual particle becomes a point interaction?
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Can a dust particle be re-prepared with further photons?
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Overlap as function of distance
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The phase between 2 waves describing 2 entangled particles?
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Can particles be absorbed into a field?
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Wave Function Collapse: Does Interaction of Photons & Objects Force It?
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Variable separation - Schrödinger equation
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Representation of Dirac Spinors
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Entangled Photons: What Happens to Photon B? Can Two Combine?
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Cause of quantum effects on small and large scales
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Is information conserved in quantum physics?
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Determinism and Uncertainity Principle
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Raising and Lowering Operators
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Can one photon be heard by multiple listeners on a radio station?
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Why Must Indistinguishable Particles in Quantum Mechanics Exhibit Symmetry?
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Can we measure the momentum of a particle in a specific position?
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Difference/similarity between superposition and uncertainty
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Observation and its role on objects/matter/particles
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Using Mathematica to solve for Jacobi Identity
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Can spin be modeled as a spinning vector until "measured" ?
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Poisson brackets commutator vs. quantum commtation relation
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What is a "source term" & what is it physically in QFT?
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Criticism of blog post on quantum pigeonhole principle
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Why QM (or rather, nature) is weird, in lay terms.
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Probability and probability amplitude.
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Does Schrödinger's Cat Age If Found Alive?
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Transferring information faster than the speed of light?
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Undergrad Interference pattern in a moving train
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Confusion related to momentum eigenstates
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Axiom of QM is Observation... but
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List of Quantum phenomenon effects
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Adding expectation values to a CHSH animation
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Unraveling Hadronization: Understanding Particle Decay and Feynman Diagrams
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Self-adjoint matrix, general form
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High School Can Quantum Occur on Manifolds Beyond Spacetime?
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Is the Bound State of a Particle in a 1D Potential Energy Well Real or Complex?
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Classification of multipartite entanglement
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Photon information after passing the pupil
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Superconducting Resonator matches 3 Degree Kelvin Spectrum
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What is the role of these elements in entanglement
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Is single photon monochromatic or not?
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Quantum Measurement: Explaining Collapse & CPTP
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Do ladder operators give integer multiples of ћ?
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Performing Wick Rotation to get Euclidean action of scalar f
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Double slit experiment observation on and off
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Effect of spins on hydrogen atom ground state energy
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Question concerning superposition
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How does QFT explain the world around us?
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What Are Filtering Type Observations in Quantum Mechanics?
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Propagation amplitude and time-evolution operator
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Operator r is a diagonal matrix in position representation
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Questions about measurement of a particle in superposition
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How is this equation for <x|P|x'> derived?
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Undergrad What is the true nature of a photon's collapse?
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Classical channel vs quantum channel
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Realism vs Locality in Quantum Entanglement
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Exploring E-e Repulsion: Stability of Half and Full P Sub-Shells Explained
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Do photon apply a force to the electron ?
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Problem understanding Wigner's 1939 paper
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Superposition in relation to Counter factual definiteness
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Long-distance correlation, information, and faster-than-light interaction
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Hermitian Operators: Understanding How They Work
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Hamiltonian matrix for two electrons in a 1D infinite well
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Simulating long-distance correlations
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Penetrating the Rectangular Potential Barrier, E < V0
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What Are the Key Questions Surrounding Quantum Decoherence?
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Why do the off-diagonal terms not matter in density matrices?
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Difference between Bell and CHSH?
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High School Can a Quantum Observer Perceive Superpositions Inaccessible to Humans?
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Photon question (collision or no collision)
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Quantum tunneling instantaneous
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How does the classical world emerge from the quantum world?
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Perturbation theory, Intermediate states, Virtual particles
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Understanding Pure and Mixed Quantum States in Entanglement
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Why does a black body radiate in all the frequency spectrum?
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High-Fidelity Qubit Readouts: Definition & Overview
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Understanding Quantum Purification
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High School What Happens to a Cat in a Box Without Factorization?
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