Page xii






Chapter IX
Electron Spin








965






A. Introduction of Electron Spin







968






B. Special Properties of Angular Momentum 1/2







972






C. Non-relativistic Description of a Spin 1/2 Particle







974







Complements of Chapter IX


 




Reader's Guide







982






AIX: Rotation Operators for a Spin 1/2 Particle







983






BIX: Exercises







990







Chapter X
Addition of Angular Momenta








997






A. Introduction







999






B. Addition of Two Spin 1/2's. Elementary Method







1003






C. Addition of Two Arbitrary Angular Momenta. General Method







1009







Complements of Chapter X


 




Reader's Guide







1025






AX: Examples of Addition of Angular Momenta







1027






BX: Clebsch-Gordan Coefficients







1035






CX: Addition of Spherical Harmonics







1043






DX: Vector Operators: the Wigner-Eckart Theorem







1048






EX: Electric Multipole Moments







1059






FX: Evolution of Two Angular Momenta J1 and J2 Coupled by an Interaction a J1 J2







1072






GX: Exercises







1086







Chapter XI
Stationary Perturbation Theory








1093






A. Description of the Method







1096






B. Perturbation of a Non-degenerate Level







1100






C. Perturbation of a Degenerate Level







1104



Start of Citation[PU]John Wiley & Sons, Inc. (US)[/PU][DP]1977[/DP]End of Citation