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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 Particles with small Wavelengths passing through huge slits?
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Graduate Understanding Counter Term Renormalization in Quantum Field Theory
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Undergrad Why is h Not Known as Wien's Constant? | Explanation
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Undergrad Realizing a Quantum Mechanical Watch-Stop
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Graduate Quantum tomography: Where does the magic happen?
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Graduate Photon Statistics in QFT & String Theory
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Graduate What is a good basis for coupled modes in a resonator?
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Graduate Feynman solution for the radial wave function of the hydrogen atom
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Graduate Path Integrals in Wolfram Mathematica
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Graduate Position is no more an operator in QFT
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Undergrad Matrix construction for spinors
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Undergrad Parity Eigenstates: X Basis Explanation
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Graduate Restricted Boltzmann machine for Quantum state tomography
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Undergrad Can a State with Nonmeasurable Local Properties be Described by Quantum Rules?
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Undergrad Indistinguishable particles in separate boxes
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High School Fermions, Pauli and antisymmetry
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High School Does the wave function change from the viewpoint of the photon?
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Undergrad Why does "control" mean "coherency" in Wigner's friend paradox?
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Graduate Wavefunction of the Universe considering all possible boundaries?
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Undergrad Bell measurement of distant particles
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High School Do Photons Decay or Have a Half-Life?
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High School Gravitational signature of a photon in a double slit experiment
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Undergrad Hydrogen atom: Energies and eigenstates
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Undergrad Justification of a trick in solving PDEs arising in Physics
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Undergrad Born rule: time running forwards and backwards?
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Undergrad Why is it that when anti-matter and matter meet they produce energy?
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High School Is a photon an excitation of the electromagnetic field?
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High School What does the energy of a photon convert to with interference?
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High School Entanglement and action at a distance -- What coordinate system?
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Undergrad What makes entanglement so interesting?
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Undergrad Delay in signaling between entanglement particles
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High School Is an electron beam affected by photons?
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Undergrad Does photon self energy contribute to the speed of light?
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High School Please gradually expain principles of atomic clocks
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Undergrad Understanding Strings: Basic Concepts Explained
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High School Planck's equation and upper and lower bounds on the energy of a photon
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Undergrad Are Virtual Exchange Particles a Valid Concept in Understanding Remote Forces?
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High School How do we know that the measurement affects the result?
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Undergrad Completeness relations in a tensor product Hilbert space
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High School Particle annihilation -- Is it instantaneous?
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Undergrad Article on photon wave-particle duality
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Undergrad Are electro-magnetic waves the same as the wave function?
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High School Does retrocausality follow from logic?
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Graduate How useful are quantum-classical hybrid theories?
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Undergrad Potential step and tunneling effect
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Undergrad Interference in double-slit with single photons
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Undergrad Discreteness of bound vs unbound states
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Graduate What is a useful way to talk about eigenstates of the position operator
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Graduate What Does Path Mean in Quantum Mechanics and Quantum Field Theory?
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Undergrad Can Bell's Theorem Disprove This Density Matrix Representation?
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Graduate Are there two different adjoint representations used in the SM?
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High School A question about the double-slit experiment
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Undergrad The velocity of Pilot-wave and the Double slit experiment
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Graduate Adjoint representation and spinor field valued in the Lie algebra
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High School Destructive interference and conservation of momentum
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High School Quantum eraser and time travel
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Undergrad Information content of a qubit
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Undergrad How do we know that the raising operator only raises the state by one step?
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Undergrad Separating particles in a zero point energy field
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Undergrad Double slit experiment and the Uncertainty Principle
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Undergrad Fermi gas in relativistic limit
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Graduate Geometry of matrix Dirac algebra
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Undergrad Zero-point energy of the harmonic oscillator
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Undergrad Lyman-##\alpha## Wavelength: Hydrogen's Region in Spectrum
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High School Will brain-computer interfaces reveal more about QM?
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Undergrad Doesn't Schrodinger's Cat start to decay?
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Graduate Propagator from a space-time point to itself
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Undergrad Quantum numbers for energy levels
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High School How Do Active and Passive Transformations Differ in Quantum Mechanics?
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Undergrad Entanglement and Regions of Space in Vacuum
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Undergrad Verifying Speed of Light Varies by Direction
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Undergrad Heisenberg Microscope: Exploring Single Photon Diffraction
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Undergrad Where do wave functions come from?
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Graduate Scattering Amplitudes for Phi 4 Theory
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Undergrad Gauge theory symmetry breaking in L&B
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Undergrad Are quantum computers required to be cold to reduce Brownian motion?
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Graduate How can we measure these Hermitian operators?
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Undergrad Eigenfunctions and wave functions
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High School Is a Quantum Entanglement Camera the Key to Seeing Into the Future of Earth?
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Undergrad Bose-Einstein numerical integration
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High School Cold vs hot on the atomic scale
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Undergrad Is the Heisenberg-Robertson Uncertainty Relation Always Consistent?
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Undergrad Is Probability in Quantum States Proportional to Energy Levels?
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High School Dual slit with controlled electron trajectories
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Undergrad Zeno's paradoxes of motion in physics
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Undergrad Information diagram for entangled particles?
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Undergrad Second Matrices from Spherical Harmonics with Eigenvalue l+1
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Undergrad Pros and cons of Heisenberg and Schrodinger (and Feynman) pictures?
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Undergrad Could an experiment confirm the EPR paradox's implications on uncertainty?
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Graduate Using the QM Formalism To Make Predictions
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Undergrad Why QFT still goes well while it lacks the notion of wave function?
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High School Question about energy needed by electron to change energy levels
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High School Can it escape the event horizon if the wavelength is long enough?
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Graduate Upper bound for wavelength of a photon inside an infinite square well
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High School 1-photon emission possible from electron-positron annihilation?
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Undergrad Solving 1D Scattering Problem: Reflection & Transmission Coefficients
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Graduate Would it matter which inner product I choose in quantum mechanics?
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Undergrad Is the measurement problem equally as vexing as entanglement?
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Undergrad Born rule in classical Ising model: Feynman -> Boltzmann ensemble?
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Undergrad Quantum Mechanics Wave Function in 3D
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