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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
High School Kim and Scully delayed eraser, interference curve form
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Undergrad Orbitals and selection rules in a synchrotron
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Undergrad Can a single photon be reflected by a mirror?
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Undergrad Quantum vs Classical multiphoton interference on double slit
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Graduate QM is Feynman path ensemble - is QFT Feynman field ensemble?
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Undergrad Does decoherence mean the loss of entanglement?
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Undergrad Is there a way to calculate the frequency of an electron wave?
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Graduate Jaynes-Cummings Density Operator Evolution
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Undergrad Why are there no probability amplitudes in MWI?
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Undergrad "Counterfactual definiteness" vs. "free will"
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Undergrad Numerically solving Time-independent Schrödinger eqn. using Shooting algorithm
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Graduate Spin-One Klein Gordon Equation
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Undergrad Understanding the 'vacuum fluctuations'
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Graduate First findings from Fermilab's 'muon g-2' experiment revealed
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Undergrad Uncertainty principle##\Delta H\Delta Q##, where Q is time-independent
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Undergrad It seems that the eigenvalue problem rules out the possibility of E=0?
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High School Entangled protons in a uniform magnetic field?
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Graduate Bell's theorem: Local realism v. counterfactual determinism
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Undergrad Is quantum mechanics imply nature is deterministic or probabilistic?
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Undergrad Two Ways of Calculating the Solution to the Infinite Square Well?
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Graduate Why are we allowed to use the trace cyclicity here?
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Graduate Klein-Gordon Equation: Solving 2nd Order Time Derivative
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Undergrad Einstein-Bohr "photon box" debate and general relativity
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Undergrad Schrodinger Equation as Flow Equation
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High School Which book is best for learning about quantum entanglement?
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Undergrad Is the Wavefunction a Contravariant Component?
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Graduate Quantum superposition: Is a problem of space-time worldview?
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Undergrad How Does Quantum Negativity Vary with Partial Transposes in Bipartite Systems?
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Undergrad Why could magnetic monopoles exist?
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Graduate Interaction between neutrons and nuclei during scattering
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High School The average value of S operator
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Graduate Feynman diagram for bound particle output
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Undergrad "Black holes can only get bigger" - huh?
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Undergrad SPDC & Entanglement: Downconvert for 3 Particle Entanglement?
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Undergrad Interference Patterns & Photon Paths: Exploring the Double Slit Experiment
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Undergrad How can there be an Uncertain Momentum at a Specific Energy?
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Undergrad A strange definition for Hermitian operator
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Undergrad Is this system a superposition?
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Undergrad General solution of the hydrogen atom Schrödinger equation
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Graduate Experiments probing the macroscopic limits of QM
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High School Virtual Particles Momentum Transfer
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High School Do entangled particles always react in an anti-symmetric way?
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Graduate Heisenberg lens and probabilities
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Graduate Is the freedom-of-choice loophole valid in quantum entanglement experiments?
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Undergrad What is the role of the D term in the Spin-1 XY model's Hamiltonian?
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Undergrad Why is this 3D operator with degeneracies only giving me 2 eigenstates
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High School Electron charge and spin creating a magnetic field?
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Graduate State in the infinite potential well
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Undergrad Complex conjugate and time reversal operator
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Graduate Request for a review of a paper on consciousness creating reality.
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Undergrad Improper density matrix with negative eigenvalues
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Undergrad Double slit - properties of slit?
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Undergrad [video] Simulating a delayed choice quantum eraser in an online drag-d
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Graduate How to systematically find the symmetry operator given a Hamiltonian?
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Undergrad Dimensions of P and ##\omega##
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Undergrad How to Show 25% of Cavity Radiant Energy Between 0 and Peak Wavelength?
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Undergrad Large scale entanglement experiment
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Undergrad Need help understanding entanglement
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Graduate Bell inequalities demonstration
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High School Gravitational force between matter and antimatter
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Undergrad What is the meaning of superposition of momentum in coherent states?
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High School Time travel in the quantum world
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Undergrad How quickly do electrons jump orbitals?
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High School A in A's reality, B in A's reality, A in B's reality in ....
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Undergrad Are electrons universal problem solvers?
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High School I am looking for a paper written by Massimo Blasone
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Graduate Tensor product in Cartesian coordinates
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Graduate Ising lattice seen by an inertial observer
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Undergrad How Dark could Dark Matter get?
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Graduate How can we show that the annihilation operators satisfy the given equation?
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Graduate Wick's rotation on a complex vector space
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High School Is the Momentum Operator Hermitian? A Proof
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Graduate Understanding an Approximation in Statistical Physics
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High School How do you tell when particles are or aren't entangled?
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Graduate Do we really need the Hilbert space for Quantum Mechanics?
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Undergrad Larmor precession of an electron in a magnetic field?
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Graduate Why is Quantum Field Theory Local?
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Undergrad Why the linear combination of eigenfunctions is not a solution of the TISE
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Undergrad Atom-photon interactions in the interaction picture (self answered)
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Undergrad Feynman diagram for scalar - vector interaction
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Undergrad Bell's theorem claimed to be refuted - paper published by EPL
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Undergrad Confused about the spectrum of an observable
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Undergrad Probability of finding a particle outside its light cone
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Undergrad What is meant here by "quantum mechanics–free subsystem"?
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Undergrad What part of physics describes what happens just outside of an electron?
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Graduate How Does the Anomalous Doppler Effect Work?
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Graduate Justification for phi^4 potential
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High School Quantify Quantum Eraser Experiment
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High School Some questions about Wheeler's delayed choice experiment
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Undergrad Question about No-Cloning Theorem and State Tomography
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High School Understanding the Observer in Quantum Mechanics: Debunking Common Misconceptions
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Graduate $S^+$ and $S^{-}$ operators formula
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Graduate What is the meaning of "excess" Goldstone bosons?
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Graduate Heisenberg equation of motion -- Partial derivative question
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Undergrad Can an electron in a magnetic field radiate a virtual photon?
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Graduate Calculating nonequilibrium Green's Functions
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Undergrad A video about the delayed choice eraser that I made
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Undergrad Distribution of charges as a result of the Hall Effect
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Undergrad Some questions in "Introduction to quantum mechanics"
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Undergrad Black body radiation -- Some basic questions to aid my understanding
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