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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 Valid local explanation of Bell violations? (Pegg et al., 1999; 2008)
Undergrad Does measuring an atom collapse the wavefunction of its parts?
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High School Quantum entanglement and special relativity
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High School The HUP in absence of observers
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High School A couple of questions about photons and superposition..
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High School What is the minimum voltage required to get characteristic spectrum
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High School Electron Gun for a Grade 9 Physics Project?
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Undergrad Electrons Emitting Photons And Ambient Light
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High School Is quantum physics "retro-deterministic"?
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Undergrad Is the Born Rule Justifiable in Particle Detection?
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High School Can a Particle Near a Black Hole Eliminate String Vibration?
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High School Semiconductor's sensistivity to light
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Undergrad Measurement Problems in Quantum Mechanics: Wave/Particle Duality
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Is Mutation related to quantum jump?
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Undergrad Proof of Kaku (8.18): Completing the Square and Using Spiegel's Result
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High School Why 50% of entangled photons pass through the polarizer?
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Anyone here study quantum mechanics for fun?
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Undergrad What were Newton's thoughts on non-locality?
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Graduate How is the von Klitzing constant used to measure resistance?
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High School What does the 'space' inside an atom consist of?
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Undergrad Probabilities Associated with Sudden Changes in Potential
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Undergrad Do these Bell inequalities rely on probability concept?
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Undergrad How the probability amplitude is estimated in practice
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Graduate How to relate the expansion term to Feynman diagrams
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Undergrad Superposition of particle identities
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High School Single photons and expanding spheres of light
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Undergrad Path Integrals in Quantum Theory
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Undergrad What basically is Klein tunneling ?
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High School Does Observing an Entangled Particle Affect Its Superposition?
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Undergrad Measurement of the mean value of the number of photons?
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High School Exactly why FTLC is impossible with entangled photons?
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Graduate Why Do Feynman Rules Successfully Model Particle Interactions?
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Undergrad A computational model of Bell correlations
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Undergrad QM Orthogonality: Separate & Independent Eigenvalues?
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Undergrad Symmetric and Antisymmetric Wavefunction
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Graduate Stochastic signal analysis in QM
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Undergrad Baryon asymmetry of the universe
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Randomness of quantum mechanics and Pi
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Graduate Nonlinear Schrodinger equation and linearity of Q.M.
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High School Probability of a photon passing through a filter
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Undergrad Observing Electrons: The Measuring Device & Its Name
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What are the real-world benefits of quantum computers and how do they work?
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Undergrad Photon & Electron: Photoelectric & Compton Effects
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Undergrad Measurement effect ('collapse') question
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Graduate On tempered distributions and wavefunctions
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Graduate Coulomb Klein Gordon: Where does e^(-iEt) come from?
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Undergrad Can Photons from Distant Quasars Decay into Particle Pairs in Vacuum?
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Undergrad Building intuition for Quantum Mechanics
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Graduate Bohr's complementarity is completed with entanglement?
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Undergrad What is the origin of quantization?
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Graduate Generalized free fields as dark matter?
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Undergrad I want to read about the electron nucleus interaction
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Undergrad In quantum statistics, inhibition/enhancement factors
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Undergrad How a group of nucleus can act as a circular aperture
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High School Why do scientists claim that there's true randomness?
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Undergrad "Derivation" of the Schrödinger Equation
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Undergrad Interference of a single photon in an interferometer
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Graduate Is the Inverse Momentum Operator an Essential Tool in Quantum Mechanics?
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Undergrad Definition of "info" as it pertains to string theory
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Undergrad The inequality in the Heisenberg uncertainty relation
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Undergrad Infinite or undefined standard deviation in HUP
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High School The Impact and Relevance of Quantum Mechanics: An Interview with an Expert
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Graduate Particle moving on a constrained path
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Undergrad Determining the accuracy of the Variational Method
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High School Relation between spin and symmetry of wave function
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Undergrad State Vectors vs. Wavefunctions
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Undergrad Require a source for a delocated photon pair
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Undergrad Quantum Field Configurations and Wavefunctions
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Undergrad Work Out Number of Photons in Vacuum
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Undergrad How does the thickness of a beam splitter affect the phase shift produced?
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High School Understanding Causality in Quantum Mechanics
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Undergrad Why is there an arrow mediating a process in a Feynman diagram?
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Undergrad Normalization and the probability amplitude
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Undergrad Use the Dirac Equation to calculate transition frequencies in Hydrogen
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Undergrad What is the Electromagnetic Wave in this Animation?
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High School Understanding the Limits of Measurement in Quantum Mechanics
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Graduate Successive iteration problem in quantum dissipation article
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Undergrad The 6th Spectral Series: Wavelength & EM Spectrum
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High School How do the group and phase velocities of pilot waves compare?
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Undergrad Representations in Quantum Physics
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Graduate Quantum field theory, spacetime, and coordinates
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Undergrad Why “If Lz has a well-defined value, then Lx and Ly do not”？
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High School Planck level effects of virtual particles
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Undergrad Can someone please explain quantum entanglement to me?
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Undergrad Can matter come into existence in empty space?
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Undergrad Is this a mistake in Weinberg's book?
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Undergrad Entanglement: which properties are entangled?
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Graduate Field quantization and photon number operator
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Undergrad A proposed experiment to test quantum gravity
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Undergrad Why Is the Planck Scale a Limit in Cosmological Constant Calculations?
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Graduate Electron-Hole- or Many-Electron Exchange Interaction
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Undergrad Does the Schrödinger equation link position and momentum?
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Undergrad How Do Indices Determine Positions in a Quantum Density Matrix?
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High School How do we know we have a single-photon source?
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High School Does Thermal Radiation from Ordinary Materials Span All Wavelengths?
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Undergrad Looking for a few questions on "foundations of quantum physics" for Adam Becker
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High School Black hole emits quantum particles from the mass sucked in?
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Undergrad Understanding black body radiation
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Undergrad Why don't we ever hear about low-frequency photons?
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Undergrad Some (unrelated) questions about the measurement problem
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Undergrad Simplify the Dirac Energy Equation?
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