Doping Semiconductors
mean free path in doped semiconductor, lifetime of hyperfine split state, review
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UC Davis Quantum Mechanics 115B
lectures on Quantum Mechanics
Episodes
20 of 51 episodesYukawa Potential
nuclear scattering, neutrino scattering, semiconductor doping
Born Approximation
integral Schroedinger eq. for hydrogen, first Born approx., Yukawa potential
Quantum Scattering
scattering amplitude, integral Schoedinger equation
NMR and Scattering
NMR, quantum computing, classical scattering
Hydrogen Decay
decay to the ground state and selection rules
Time Dependent Perturbation Theory
time dependent sinusoidal perturbations, quantum teleportation
Variational Method
helium and the ionized hydrogen molecule
Hyperfine Structure and the Stark Effect
spin-spin coupling and external electric fields
Fine Structure
relativistic and spin orbit corrections, relativistic effects in gold and mercury, the problem with quantum gravity
Degenerate Perturbation Theory: Examples
bead on a wire, 3D harmonic oscillator
Degenerate Perturbation Theory
helium revisited, two-fold degeneracy, and a short-cut
Perturbation Theory: Examples
linear and cubic perturbations of the simple harmonic oscillator
Perturbation Theory
time-independent, non-degenerate, perturbation theory, delta function perturbation of a square well
Quantum Statistical Mechanics: Applications
Fermi-Dirac, Bose-Einstein distributions, expansion rate of the Universe, black body spectrum, Bose condensation
Quantum Statistical Mechanics
white dwarfs continued, neutron stars, most probable configuration
Free Electron Gas
free electron gas, Fermi surface, white dwarfs
Atoms
identical particles, atoms, and the periodic table
Addition of Angular Momentum
adding together the spin of two spin half particles, Clebsch-Gordan coefficients
Spin
spin operators, Lamor precession, Stern-Gerlach revisited