L10.1 Box regularization: density of states for the continuum
19:02
L10.2 Transitions with a constant perturbation
22:56
L1.1 General problem. Non-degenerate perturbation theory
21:09
L14.1 Gauge invariance of the Schrödinger Equation
21:51
L13.4 Charged particles in EM fields: potentials and gauge invariance
17:13
L11.2 Transition rates for stimulated emission and absorption processes
15:13
L11.1 Harmonic transitions between discrete states
14:32
L12.2 Light and atoms with two levels, qualitative analysis
22:21