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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 When are particles in a superposition of states?
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Undergrad Maxwell's Demon and the Uncertainty Principle
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Undergrad Photon & Wave Mode: Equivalent or Not?
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Graduate Boundary conditions of eigenfunctions with Yukawa potential
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Graduate Invariance of discrete Spectrum with respect a Darboux transformation
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Undergrad Physics from Symmetry: Superb Book for Learning QM & More
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Undergrad I don't understand about infinitesimal translation
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Undergrad Does vacuum excitation violate the conservation of energy?
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Undergrad Entanglement of Electrons Through Experiments: What's Possible?
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Undergrad Understanding Time Crystals: A Beginner's Guide
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Undergrad Is the small world uncertain, or is that just our perception?
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Undergrad Measurement of Entangled Particles causes up or down spin?
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High School Time-reversal of an unknown quantum state
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Undergrad Superposition of large objects
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Undergrad Microscopic and macroscopic physics
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Undergrad Photon Momentum: The Impact of Light on Movement in Space
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High School Speed of electrons in a 2-slit experiment
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Undergrad Confused about the AC Stark effect
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Undergrad Are Coin Flips Truly Random Like Quantum Systems?
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Undergrad What Do Phase Space Path Integrals Compute?
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Undergrad Condtion on transformation to solve the Dirac equation
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High School Do photons, phonons and electrons have mass?
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Graduate There is a high concentration of introductory material on wave-particle duality
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High School Can a particle / wave pass through a sheet of material?
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High School Uncertainty Principle versus spin alignment
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Undergrad Quantum Eraser: do entangled photons arrive at different moments?
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Graduate Compton Recoil and the Electron Differential Cross Section
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Graduate Quantum Ising model correlation function query
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Undergrad Physically acceptable solutions to the Schroedinger equation?
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Undergrad How to prove that some fields are different aspects of one general field?
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Undergrad Changing the effective mass of an electron using electric potentials?
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Undergrad Conductors and weak interaction
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Undergrad Relation between spin and solar winds
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Graduate How does one make a macroscopic object?
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Undergrad The reference frame for angular momentum components
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High School Does the future affect the past in a quantum world?
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Undergrad Correlation between Symmetry number & Total wavefunction
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High School Stern-Gerlach experiment - please confirm this surprising result
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High School Are electromagnetic wavelength and quantum wavelength the same thing?
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Graduate Derive the Principle of Least Action from the Path Integral?
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Graduate Can Bohmian Mechanics Effectively Address Relativistic Quantum Field Theories?
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High School Searching for a Lost PhD Thesis on Black Holes
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Graduate J-aggregation and H-aggregation differences
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High School Why don't electrons fall into the nucleus?.
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Undergrad Schiff moment in classical electrostatics
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Undergrad How do you normalize this wave function?
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High School Quantum Entanglement spin measurement
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Graduate How Can I Address the Divergence in $\phi$ and $\ket{\overrightarrow{P}}$?
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High School Why is an electron's changing behaviour upon observation fascinating?
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Undergrad How did Schrödinger find his equation?
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Undergrad Can an electron quantum tunnel inside the potential barrier?
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Graduate General Covariance in Quantum Field Theory
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Undergrad Relativistic quantum mechanics
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Undergrad Repulsion before the screen in a double-slit experiment
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Insights Misconceptions about Virtual Particles - Comments
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Undergrad Are Energy Eigenstate Coefficients Real-valued?
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Undergrad Probability of neutrino switching: more massive, more probable?
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Undergrad Closure in the subspace of linear combinations of vectors
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Graduate Number of thermal photons in a real (finite Q) cavity
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Undergrad Exponential of momenta to entangle harmonic oscillators
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Undergrad Proof of Commutative Operators for Simultaneous Measurement
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Graduate Conservation of angular momentum in positron-electron annihilation
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Graduate Normalization of the radial part of the spherical harmonics
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High School Quantum Micro-Blackholes: Fact or Fiction?
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Undergrad Calculate a spin state as a function of the base spin states
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Graduate Anyone actively experimenting?
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High School Is diamagnetism only present with varying magnetic fields?
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Graduate Resolving the Paradox: Combining Quantum Mechanics and Special Relativity
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Undergrad How to determine Spinor in Feynman diagram
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Undergrad Quantum spaces without classical counterparts?
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High School How Could Quantum Communications Operate at Light Speed Given Relativity?
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Undergrad Renormalisation and running of the φ^3 and other coupling constants
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High School Double Slit Paradox: A Wave-Particle Mystery
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High School The nature of orthogonal oscillations (extending E&M)
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Undergrad Understanding the wrong way to quantize the Dirac Field | Part 1
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Undergrad Jonsson’s apparatus for photons rather than electrons
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Undergrad What is the nature of the photons?
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Undergrad Prove that the norm squared of a superposition of two states is +ve
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Undergrad Necessity of Quantum Gravity given Planck scales for nuclear physics
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Undergrad Bell's Theorem - why product of (2)spins can be +1 (Griffith's text)
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Graduate Is randomness real or the inability to perceive hyper complex order?
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Undergrad Solve the particle in a box problem using matrix mechanics?
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Undergrad Representing Quantum Gates in Tensor Product Space
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Graduate Reference frame of the vacuum -- which forum?
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Undergrad Spin-orbit interaction and two inconsistent values
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Undergrad Photon absorption for an atomic electron
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Graduate Do bosons contradict basic probability laws?
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Undergrad What would the world be like if the HUP were not a thing?
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Undergrad Can an electron in the 1s orbital be indefinitely far from the nucleus?
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High School Has the Double Slit Experiment been Performed in a Near Vacuum?
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Undergrad Experimental confirmation of the Born rule
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Undergrad The "size" of entangled particles
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Undergrad Pair production via Quantum Tunneling has negative Kinetic energy?
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Undergrad Does quantum theory describe light as a wave?
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Undergrad What is the meaning of the mass assigned to an individual quark?
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Undergrad Wilson-Sommerfeld quantization to solve square-well potential
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Graduate Eigenstates of ##\phi^4## theory
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Graduate Spin dynamics and the Pauli exclusion principle
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Undergrad Meaning of the Orbital Angular Momentum of Super Chiral Light
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Undergrad Hyperfine Splitting: Get Help Understanding It
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