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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

A question about quantum entanglement
Graduate Value of Mexican hat potential
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Graduate Why Can We Drop Constant Terms in Quantum Field Theory Lagrangians?
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Undergrad Understanding Spin Basis & Representation in Modern Physics | Explained
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Undergrad Unruh effect, temperature and particle density....
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Graduate What are the failed experiments to determine electron's position?
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Undergrad Can Bell's theorem contradict PBR ?
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High School Why is the uncertainty in position equal to the wavelength?
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Undergrad Difference between measurement and passing through a gate
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Undergrad Classical vs. Quantum Defintion of Energy in Field Theory
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Undergrad Question about the deBroglie hypothesis
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High School Local teleportation using classical entanglement
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High School A non-physicist's question on the double-slit experiment
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Graduate Quantum obstacle course changes material from superconductor to insulator
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Undergrad Harmonic oscillator ladder operators
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Undergrad Why is measure not an accurate term for determining the location of a particle?
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High School Teleportation of large objects?
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Undergrad Higgs Boson, Electrons and Spin
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Graduate QFT as pilot-wave theory - one more time....
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Undergrad What Events Create Spooky Electrons in Quantum Mechanics?
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Insights Interview with a Physicist: David Hestenes - Comments
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Graduate What is the purpose of applying a Dirichlet boundary condition?
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High School What happens if the observer dies?
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Undergrad How many orbits are in the hydrogen atom?
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Undergrad The Berry Connection and Gauge Invariance in Quantum Systems
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High School Can you change a quantum particle's spin?
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High School Possible for a particle to diffract around a barrier
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Undergrad Is the Concept of a Continuous Real Line Contradicted by Quantum Physics?
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Undergrad Commutator of Parity operator and angular momentum
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High School Is the Universe grainy below the Planck Scale?
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Undergrad Integrating imaginary units and operators
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Undergrad SQM vs Pilot Waves - Potential issue with Pilot Waves?
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Undergrad Why does the existence of the Higgs Field require a Higgs Particle?
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Undergrad QFT Feynman Propagator Algebra
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Undergrad Exchange of photons inside atoms
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Graduate Determining molecular resonance frequencies
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Undergrad Virtual Particles and Charge Screening
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High School Does an electron turn into a positron when hit by a photon?
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High School Meter Defined by Speed of Light: Uncertainty of Measurement
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Undergrad Is quantum weirdness really weird?
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Undergrad Determining if an operator is degenerate
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High School De Broglie Wavelength & Classical EM Wavelength Comparison
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Graduate Are All Electrons Created Equal? The Implications of Quantum Field Theory
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Undergrad Meaning of "c number equations"?
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High School Doubt regarding Rutherford's Alpha Scattering Experiment and Impact Parameter
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Undergrad Murray Gell-Mann on Entanglement
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Undergrad Is the QFT field real or just a mathematical tool?
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High School Why does this term always approach 4?
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Undergrad Eigenstate of two observable operators
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Undergrad Berry phase without a magnetic field
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Undergrad Cosmic Bell Test: 600 yr Old "Freedom of Choice" Loophole
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High School Einstein's Photoelectric Equation and its graph
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High School Double Slit detectors question
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Undergrad Can the expectation of an operator be imaginary?
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Undergrad SO(3) rotation of eigenvectors
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Graduate Feynman diagrams for ##e^{+}e^{-}\rightarrow \mu^{+}\mu^{-}##
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Undergrad Study for Feynman Diagrams: Beyond Shankar, etc?
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Undergrad Unraveling the Quantum Eraser Mystery
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Undergrad Entanglement in QM - Understanding Instant Correlation & Randomness
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Graduate Spinor Lorentz Transform via Vectors - Cross Product Issue
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Graduate Why General Relativity is non-renormalizable quantum theory?
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High School Operators 'act on' the wavefunction
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High School What Is Surprising About Wave Function Collapse?
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High School Photon-Wave Duality: Why can't they be separated?
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Undergrad Confused about emission/absorbtion of photons
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Graduate NASA confirms(?) EmDrive - can pilot wave carry momentum?
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Undergrad Measuring Spin in the Stern Gerlach Experiment
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Undergrad Hermitian Operators in QM
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Graduate Why can the ##1##-point correlation function be made to vanish?
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Undergrad Correlation functions and correlation length
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High School How does Partcle Symmetry affect the way a Particle Behaves?
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Graduate Hermitian properties of the gamma matrices
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Graduate EPFL's claim about wave particle duality
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Undergrad Explanation for the Quantum Measurement Problem?
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High School Re-Preparing vs Perturbing Quantum States: Understanding the Difference
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Undergrad Can particles exist without duality?
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High School Double slit question, rotating polarizers...
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Undergrad Why Is the Probability of Finding a Particle in a Position Eigenstate Zero?
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Graduate Does an infinitesimal generator of acceleration exist?
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Graduate What is the Lorentz Transformation for Spinor Indices of the Weyl Operator?
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Graduate Lorentz transformation of field with components
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Graduate What is faster, Gravity or "Spooky Action" at a distance?
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Undergrad Gauge invariance of momentum of charged particle
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Graduate Adiabatic process - quantum mechanics and thermodynamics
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Undergrad Phase factors of eigenstates in time-dependent Hamiltonians
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Undergrad Harper-Hofstader Model: Butterfly & Landau Levels Relationship
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High School Can a point-like particle really exist in a 0-dimensional universe?
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Undergrad Question for large quantum system
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Undergrad Delayed choice quantum eraser -- Again....
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Undergrad Time dependent perturbation(determination of order)
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High School About creating a product state
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High School Can Everett Branches Break Quantum Laws?
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High School Spectroscopy before tunable lasers?
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Undergrad How see through the glass + reflection at same time
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High School Is the Speed of Light 1 Planck Length per 1 Planck Time in Vacuum?
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High School Uncertainty Principle and a photon
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Undergrad Delayed choice experiment clarification (specific setup)
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Undergrad Hermitian Operators in Dirac Equation
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Graduate What is De Broglie's Fictitious Wave?
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Undergrad What is the reason behind fermions being unable to share the same quantum state?
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High School Why Does Matter Become Solid When Observed? Max Planck's Theory
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