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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
Graduate Deriving Boltzmann's Distribution
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Graduate Lattice QED, most likely path of fields --> no interactions?
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Graduate Single particle Density Matrix meaning
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Graduate Help to clarify chemcial potential
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Graduate What Does It Mean Particles Only Have Location if Measured?
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Graduate Casimir effect excludes photon modes*, same for two slit interferometer?
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Graduate Calculating a matrix element & first order shift
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Graduate Does quantum field theory supersede quantum mechanics?
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Graduate Quantizing the conjugate operator to adjoint operator
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Graduate Legitimacy in visualizing the orbital overlap
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Graduate How does entanglement play a crucial role in quantum computing?
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Graduate Expecting the possible event of zero probability
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Undergrad Light & Electron Energy: Comparing Quantized Energies
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Graduate Fraction of electrons excited above fermi level
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Graduate Can the naked eye change the outcome of the double slit experiment?
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Graduate Understanding Planck Scale Derivation: Energy, Length, and Uncertainty
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Graduate What is "smearing" and what is a "smeared field"
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Graduate Pointless in talking about atomic term for a certain micro-state?
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Graduate Must ensembles be homogeneous?
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Graduate What is a particle in quantum mechanics?
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Graduate Superposition in the density matrix formalism
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Graduate Navigating Wikipedia for Scientific Answers: Tips and Tricks for Laymen
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Graduate Fine structure constant meaning
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Graduate Question about quantum parallel worlds
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Graduate Time dependent scattering theory - cross section
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Graduate Find Energy Levels for Harmonic Oscillator w/ Stretch-Only Spring
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Graduate Spinor Representations: Intuitive Understanding
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Graduate Pseudoparticle Operators: Fermion or Boson?
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Graduate Is the expectation value of momentum always zero for real wavefunctions?
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Graduate About diagonal element of dipole
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Graduate Effect of different atom on Compton Shift?
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Graduate Most probable electron location in Hydrogen ground state
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Graduate Does Quantum Precession Contradict Traditional Spin Directions?
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Graduate Frank-Condon Principle - Potential Energy Surfaces
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Graduate How Do Physicists Know That Quantum Superposition Does Exist?
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Graduate Why Is the Wave Function Often Expressed as Psi = Cos(kr - wt) + i Sin(kr - wt)?
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Graduate Heisenberg's Matrix Mechanics: An Understanding Review
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Graduate Vector under Chiral transformation
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Graduate How Can a Hot, Vibrating Universe Remain Homogeneous?
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Graduate Action corresponding to photon emission
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Graduate Why Does an Operator in Quantum Mechanics Transform into a Matrix?
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Graduate Does electron has definite path?
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Graduate Superposition and retrocausality
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Undergrad De Broglie Wavelength: Moving Particles & Equations
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Graduate A Gedanken Experiment Regarding Bell's Theorem and Nonlocality
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Graduate Singlet and Triplet Terms misunderstanding
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Undergrad Double Slit Experiment and it's Results ?
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Graduate Discovery of Maxwell field's spin
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Graduate The No Cloning theorem vs weak measurement
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Undergrad Understanding Hydrogen Gas Excitation & Absorption
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Graduate [QM] Conservation probability to degenerate eigenvalues
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Graduate Localized High Energy Particle in a Box: Examining Superposition Limits
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Graduate Associated Legendre differential equation involved in solving spin function?
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Graduate What is the derivation and meaning behind the SO(2,1) invariance algebra?
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Graduate About the photon carrying the electromagnetic forces
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Graduate Wheeler-DeWitt and timelessness
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Graduate Polarization, Bell, and spin of photons
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Graduate Entangled Particles and the Hadron Collider?
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Graduate Fermionic Operators & Anticommutation: All You Need to Know
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Graduate Spin 1 Particle Representations of SO(3) and SU(2)
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Graduate Quantum scattering theory (lab frame, center of mass frame)
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Graduate Range of Weak Values: Explaining Eigenvalues of A
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Graduate Dissipation in quantum mechanics
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Graduate Description of the Electron Degeneracy Principle
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Graduate What is the energy of a particle
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Graduate What Keywords Help Find Solutions for Quantum Scattering in 1D Potentials?
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Graduate Current of Complex scalar field
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Graduate Simple question on renormalization
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Graduate Solve Gauge Equiv. of Chern-Simons Action EOM
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Graduate Lower bounds on energy eigenvalues
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High School Beta Decay: Unstable Nuclei & Why It Occurs
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Graduate What Constitutes a Quantum Measurement in Liquid Helium Experiments?
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Graduate What is the definition of future according to quantum mechanics?
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Graduate Spectrum of the Reduced matrix's eigenvalues
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Graduate How can I compute translation invariance for p in a one dimension wave function?
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Graduate Calculating Expectation Value of Momentum with Fourier Transform
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Graduate In QM, can the trajectory in the phase-space split?
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Graduate Commuting operators require simultaneous eigenfunctions?
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Graduate Understanding the Weak Interaction: What Causes It & What is Its Range?
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Graduate Naive question: Macroscopic implications of quantum probability
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Graduate Can Singlet Spin Pairs Behave Like Bosons?
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Graduate Can Wave Function Constants Be Both Positive and Negative?
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Graduate Photonic density of state in matter
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Graduate How Does a Wave Packet Represent a Free Particle in Quantum Mechanics?
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Graduate Quantum Teleportation - Misconceptions and QM fundamentals
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Graduate Proving an identity and some interesting maths stuff
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Graduate Renormalisation of the Schrodinger equation
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Graduate Information from the correlations
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Graduate SU(3)-invariant Heisenberg XXX chain
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Graduate Understanding the Relative Velocity of Particle Beams
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Graduate Can Vibrational Spectroscopy Reveal Combinations of Normal Modes in Molecules?
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Graduate Question about spontaneous parametric down conversion
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Graduate Is Planck's Law Based on Incorrect Assumptions About Boltzmann's Distribution?
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Graduate Quantum objects and Electromagnetic waves
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Graduate Should the Normalization Constant be Positive or Complex?
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Graduate Is perturbation theory necessary for constructing quantum field theories?
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Graduate Quantum Mechanics Prior To The Big Bang
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Graduate What is reality according to quantum mechanics?
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Graduate Exchange symmetry when adding angular momentum and in LS coupling?
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Undergrad Electron transition notation should be simple
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