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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 Alternative model for counterfactual definiteness in Bohm-like EPR
Navigating Wikipedia for Scientific Answers: Tips and Tricks for Laymen
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Fine structure constant meaning
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Question about quantum parallel worlds
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Time dependent scattering theory - cross section
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Find Energy Levels for Harmonic Oscillator w/ Stretch-Only Spring
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Spinor Representations: Intuitive Understanding
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Pseudoparticle Operators: Fermion or Boson?
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Is the expectation value of momentum always zero for real wavefunctions?
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About diagonal element of dipole
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Effect of different atom on Compton Shift?
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Most probable electron location in Hydrogen ground state
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Does Quantum Precession Contradict Traditional Spin Directions?
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Frank-Condon Principle - Potential Energy Surfaces
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How Do Physicists Know That Quantum Superposition Does Exist?
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Why Is the Wave Function Often Expressed as Psi = Cos(kr - wt) + i Sin(kr - wt)?
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Heisenberg's Matrix Mechanics: An Understanding Review
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Vector under Chiral transformation
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How Can a Hot, Vibrating Universe Remain Homogeneous?
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Action corresponding to photon emission
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Why Does an Operator in Quantum Mechanics Transform into a Matrix?
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Does electron has definite path?
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Superposition and retrocausality
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De Broglie Wavelength: Moving Particles & Equations
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A Gedanken Experiment Regarding Bell's Theorem and Nonlocality
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Singlet and Triplet Terms misunderstanding
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Double Slit Experiment and it's Results ?
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Discovery of Maxwell field's spin
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The No Cloning theorem vs weak measurement
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Understanding Hydrogen Gas Excitation & Absorption
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[QM] Conservation probability to degenerate eigenvalues
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Localized High Energy Particle in a Box: Examining Superposition Limits
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Associated Legendre differential equation involved in solving spin function?
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What is the derivation and meaning behind the SO(2,1) invariance algebra?
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About the photon carrying the electromagnetic forces
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Wheeler-DeWitt and timelessness
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Polarization, Bell, and spin of photons
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Entangled Particles and the Hadron Collider?
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Fermionic Operators & Anticommutation: All You Need to Know
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Spin 1 Particle Representations of SO(3) and SU(2)
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Quantum scattering theory (lab frame, center of mass frame)
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Range of Weak Values: Explaining Eigenvalues of A
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Dissipation in quantum mechanics
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Description of the Electron Degeneracy Principle
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What is the energy of a particle
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What Keywords Help Find Solutions for Quantum Scattering in 1D Potentials?
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Current of Complex scalar field
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Simple question on renormalization
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Solve Gauge Equiv. of Chern-Simons Action EOM
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Lower bounds on energy eigenvalues
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Beta Decay: Unstable Nuclei & Why It Occurs
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What Constitutes a Quantum Measurement in Liquid Helium Experiments?
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What is the definition of future according to quantum mechanics?
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Spectrum of the Reduced matrix's eigenvalues
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How can I compute translation invariance for p in a one dimension wave function?
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Calculating Expectation Value of Momentum with Fourier Transform
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In QM, can the trajectory in the phase-space split?
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Commuting operators require simultaneous eigenfunctions?
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Understanding the Weak Interaction: What Causes It & What is Its Range?
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Naive question: Macroscopic implications of quantum probability
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Can Singlet Spin Pairs Behave Like Bosons?
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Can Wave Function Constants Be Both Positive and Negative?
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Photonic density of state in matter
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How Does a Wave Packet Represent a Free Particle in Quantum Mechanics?
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Quantum Teleportation - Misconceptions and QM fundamentals
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Proving an identity and some interesting maths stuff
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Renormalisation of the Schrodinger equation
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Information from the correlations
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SU(3)-invariant Heisenberg XXX chain
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Understanding the Relative Velocity of Particle Beams
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Can Vibrational Spectroscopy Reveal Combinations of Normal Modes in Molecules?
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Question about spontaneous parametric down conversion
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Quantum objects and Electromagnetic waves
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Should the Normalization Constant be Positive or Complex?
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Is perturbation theory necessary for constructing quantum field theories?
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Quantum Mechanics Prior To The Big Bang
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What is reality according to quantum mechanics?
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Exchange symmetry when adding angular momentum and in LS coupling?
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Electron transition notation should be simple
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Quantum Visibility: Imax & Imin Explained
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Two slit electron diffraction / observer
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Grand Canonical Ensemble: N operator problem
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Why Does Functional F Not Yield Expected Results in Merzbacher QM Exercise 9.8?
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Advice for first time studying Quantum Mechanics ?
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Lebesgue space Q & suggested readings
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Quantum Imaging with Undetected Photons arXiv:1401.4318(quant phy)
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Can there be non-trivial IR fixed points in asymptotically free theories?
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What are Einstein's 3 postulates for Photo electric effect?
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Need help with some aspects of Bell’s theorem
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SU(2): Get RHS from LHS of Expression
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Is the Born Rule the Key to Understanding Schrodinger's Cat Experiment?
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How do you know the change in ml for a transition?
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Analytical solution for bound state energies of infinite well
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Theoretical 100% Light Reflection Room
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Fermi's Golden Rule Density of States
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Emuberable and Demumerable sets
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Angular Momentum: P.A.M Dirac QM Principles Explained
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Efficiency of non-linear optical device
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Proving the Isomorphism Property of the Spinor Map in SL(2,C) and SO(3,1)
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The simplest derivation of position operator for momentum space
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Understanding Scattering and Bound State Solutions in Quantum Mechanics
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