About Quantum Mechanics
Postulates of quantum mechanics, Expectation values, The Schrödinger and Heisenberg representation, The state function propoagator, Angular momentum eigen values and eigen states, Addition of angular momenta, Orbital angular momentum eigen functions, The hydrogen energy eigen values and eigen states, Time independent perturbation theory, Spin orbit coupling, The Zeeman effect, The WKB approximation, Time dependent perturbation, The classical radiation field, The quantum radiation field, transition rates for stimulated and spontaneous emission, The lifetime of an excited atomic state.