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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 Universal quantum physics
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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Graduate Quantum Visibility: Imax & Imin Explained
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Graduate Two slit electron diffraction / observer
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Graduate Grand Canonical Ensemble: N operator problem
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Graduate Why Does Functional F Not Yield Expected Results in Merzbacher QM Exercise 9.8?
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Graduate Advice for first time studying Quantum Mechanics ?
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Graduate Lebesgue space Q & suggested readings
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Graduate Evaluating Integrals of Exponential Functions with Dirac Delta
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Graduate Quantum Imaging with Undetected Photons arXiv:1401.4318(quant phy)
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Graduate Can there be non-trivial IR fixed points in asymptotically free theories?
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Undergrad What are Einstein's 3 postulates for Photo electric effect?
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Graduate Need help with some aspects of Bell’s theorem
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Graduate SU(2): Get RHS from LHS of Expression
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Graduate Is the Born Rule the Key to Understanding Schrodinger's Cat Experiment?
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Graduate How do you know the change in ml for a transition?
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Graduate Analytical solution for bound state energies of infinite well
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Undergrad Theoretical 100% Light Reflection Room
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Graduate Fermi's Golden Rule Density of States
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Graduate Emuberable and Demumerable sets
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Graduate Angular Momentum: P.A.M Dirac QM Principles Explained
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Graduate Efficiency of non-linear optical device
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Graduate Proving the Isomorphism Property of the Spinor Map in SL(2,C) and SO(3,1)
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Graduate The simplest derivation of position operator for momentum space
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Graduate Understanding Scattering and Bound State Solutions in Quantum Mechanics
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Graduate How Should I Think About the Dirac Equation
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Graduate Experimental Support of Shrodinger Equation
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Graduate Divergence of the Stress-Energy Tensor
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Graduate RQM vs QM ( relativistic quantum mechanics vs quantum mechanics)
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Graduate What Are the Most Accurate Theories in Quantum Physics?
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Graduate Understanding Traceless Proof for Gamma Matrices
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Graduate Stationary States vs General Solution
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Graduate Can the Double Slit Experiment Reveal Information About Parallel Dimensions?
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Undergrad Characteristic Spectrum and the K-alpha line
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Graduate The Quantum Computer and beamsplitter
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Graduate Deriving speed of light from QED
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Graduate Question from a 5 year old: Bell and Black Holes
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Graduate Expectation Value vs Probability Density
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Graduate Adjoint of Schrodinger Equation
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Graduate Why Can Electrons Tunnel Through Barriers in Quantum Mechanics?
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Graduate Hopf Algebras in Quantum Groups
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Graduate Has the double-slit experiment been conducted with multiple observers?
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Graduate Interaction between light and hydrogen atom
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Graduate What is the difference between H and E in the equation Hψ = Eψ?
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Graduate Is Haag's Theorem Relevant for Solving QFT Problems?
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Graduate Missing h-bar in showing SHO in terms of ANHIL and CREA operators is correct
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Graduate On the Wave-Particle Duality property of light
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Graduate Coordinate space matrix elements <x|H|x'>. what are these?
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Graduate Why Does the Hopping Term in the Hubbard Model Project to Zero at Half-Filling?
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Graduate Probability of finding a particle [concept behind it]
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Graduate Requirement of Separability of Hilbert Space
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Graduate Calculating Fourier Transform in Circular Wells
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Graduate Uncertainty Principle mechanics
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Graduate Solutions of schrodinger equation contradicts HUP
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Graduate Pilot wave models and "no cross" rule
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Graduate Why does tracing out help in averaging over unobserved degrees of freedom?
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Graduate Formula of Heisenberg Uncertainty
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Graduate Stimulated Emission: De-exciting Electrons with Photons
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Graduate Smoothness of potential energy and powers of momentum
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Graduate Probability of Photoelectric Effect Occuring in the Context of Medical Imaging
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Graduate Determining bound states for delta function potential
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Graduate Change of Basis For Pauli Matrix From Z Diagonal to X Diagonal Basis
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Graduate Quantum vs. Classical Mechanic graphing
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Graduate Does the wave function really collapse into a state?
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