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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 On computing quantum waves exactly from classical action
High School The arrow of time (again)
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High School Yet another double slit thought experiment...
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High School Probability function for the position of a static electron under no potential
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High School Photoelectric phenomenum can only be proved as a particle effect?
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Undergrad Femto-photography Michelson Morley Interferometer thought experiment
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High School Would Laplace's Demon work?
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Undergrad Quantum fields and "mediator" particles
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High School Why is gravity a weak force at the atomic scale?
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Undergrad Entropic Tension Cosmology (ETC) 1.0
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Undergrad What Are the Key Questions and Challenges in Understanding Quantum Gravity?
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Graduate Historical clarification of the Planck formula of blackbody radiation
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High School Quantum Field Theory As Simple As Possible
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Undergrad Far off resonant Rabi oscillations in a 2 level system
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Undergrad Different expressions about time reversal and confusion
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Undergrad Is the result of an operator acting on a ket vector always a ket？
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Undergrad Double Slit Experiment: Measurement versus Observation
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Undergrad Deriving the time-dependent wave equation from Energy eigenfunctions
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Undergrad How Much Pressure To Cause Matter To Degenerate?
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Undergrad Particle in Infinite Square Well
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Undergrad Justification of Superposition of Waves with Different Speeds
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Undergrad Particle in a potential well
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Undergrad Feynman's summing arrows for photon amplitudes applied to LIGO?
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Undergrad Laws of thermodynamics and their application to quantum physics
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Undergrad Explanation of the Bohr postulates' existence
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Undergrad Can two photons combine to give a local field with spin 2?
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Undergrad Physical Meaning of Atomic Oscillations
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Graduate Pauli spin matrices
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Undergrad The Pauli-Lubanski vector and angular momentum
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Undergrad Chunks of action smaller than Planck's constant
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Graduate Collapse of the electron wave function due to inelastic interactions
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Undergrad Question regarding quantum mechanics from relativity perspective
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Undergrad Normalisation Constant In Wavefunction
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Graduate Has Hilbert transform ever been used in Quantum Theory?
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Undergrad What do the wave functions of real particles look like?
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Undergrad Uniqueness of quantum numbers
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Undergrad Time dependent Schrödinger equation - Separable Solutions
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Undergrad Is Newton the founder of quantum gravitation?
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Undergrad Lower energy levels with Dirac/Pauli theory than Schroedinger theory?
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Undergrad Amount of electrons in nuclei
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Undergrad System of bosons
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Undergrad Exchange symmetry of two particles on a sphere
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Undergrad The probability density of a wave function due to length contraction
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Undergrad 3 photon transfer probability
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Undergrad Motivating the form of a bra vector
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Undergrad How is superposition demonstrated?
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Undergrad Physics Today article collection
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High School Quantum wavelength of gravity
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Graduate Questions about changing frame in QM and rotating wave approximation
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Graduate Classical interpretation of the Thomson experiment compared to the modern quantum perspective
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Undergrad Quantum field in curved space-time
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High School Interference pattern inferencing
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Undergrad Macroscopic object wave function
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Undergrad Heisenberg Uncertainty Principle and macroscopic objects
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Undergrad How does the electron keep its properties?
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Undergrad Understanding Randomness in Brownian Matter
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Graduate CHSH Bell inequality derivation
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Graduate Born's probability in decoherence
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High School Sketching Psi as a function of x
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Undergrad Famous 'Aspect Experiment' -- Which Type of Polarizers Were Used?
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Undergrad Influence of electron's kinetic energy disspation during photoelectric emission
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Undergrad 2-Slit: How do we know photon guns only produce single photons?
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Graduate Order of Galilean Boost / Translation on a wave-function (or fields)
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Graduate Vector Spaces Associated with Quark Modes in k-Space
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Undergrad Diffraction of point source/s and duality
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High School Heisenberg uncertainty principle -- Questions about a practical experiment
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Undergrad Delayed quantum eraser: turning off sensor to bring back interference
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High School A homebrew quantum computer simulator
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Graduate Entropy increase in proton/proton collision?
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Graduate Two-electron Lagrangian in QED
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High School Is space-time curvature a curvature of the Higgs field?
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Undergrad Relativity Considerations for Measurements on a Free Particle
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Undergrad How to derive momentum operator in position basis via its definition?
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Undergrad Why is the coupling factor constant in QFT?
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Undergrad How to find common eigenbases of momentum and energy in infinite well?
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Undergrad Has superdeterminism been proven recently?
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High School What particle represents the mass-energy conversion in a proton?
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High School How would a hypothetical graviton escape a black hole?
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Graduate Any relation between Quantum Chaos and Quantum Field Theory?
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Graduate Spectral Decomposition of Constant Functions Utilizing Fourier Harmonics
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Undergrad Lagrangian Mechanics, Continuous Particle Paths and QFT
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Undergrad Why do ##t## and ##-i\hbar\partial_t## not satisfy the definition of a linear map/operator in Hilbert space?
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Undergrad Meaning of eigenvalue of projection operator/projector
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Undergrad Counting Total Spin for N Two-Level Systems (TLS)
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Graduate Representation in second quantization
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High School In QFT, do Fermion fields belonging to distinguishable particles commute or anti commute?
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Undergrad Born rule as an axiom or as a theorem?
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High School A stupidly basic question about expectation value
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Undergrad What Are the Key Concepts of Quantum Field Theory?
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Undergrad Question on interference equation in a recent paper
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Undergrad How can I estimate the K force constant for bond types without special tools?
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Graduate Schrodinger equation/Madelung equation phase transformation
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High School Double-slit experiment and time
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Graduate Acceleration in quantum mechanics
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Undergrad Is There A Study Showing The Observer Effect Ignoring Conscious Intent?
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Undergrad Expectation value of the momentum for an electron in a box
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Graduate Seeking papers on Energy Level Diagrams for LiNO2 and O2
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High School Quantum Superposition And A Coin
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Undergrad Volume of momentum space of an ideal gas
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Undergrad Meaning of the word 'particle'
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Undergrad Do physically rotating particles affect Stern Gerlach results?
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