Spin 1/2
31:16
Spin 1/2 in a B-field
24:47
Angular momentum addition
16:58
The Pauli matrices
44:59
Angular momentum operator algebra
16:34
Deriving the Dirac Equation
35:57
Free particle wave packets and stationary states
31:37
To Understand the Fourier Transform, Start From Quantum Mechanics
1:24:32