Chapter 4
The Vector Model of Angular Momentum
The Schrödinger approximation (Sect. 4.1)
Intrinsic action as a patch
Electron spin and magnetic moment (Sect. 4.2)
The Pauli spin matrices (Sect. 4.3)
Internal magnetic fields (Sect. 4.4)
Coupling approximations (Sect. 4.5)
The vector model
LS and jj coupling
6-j diagrams
QM vector coupling (Sect. 4.6)
Angular momentum addition
Adding two spin 1/2 momenta
Singlet and triplet wave functions
Spectroscopic notation
Application to 1s2p and
1s3d
Singlet-triplet Grotrian diagram
Nomenclature
Sigma and pi radiation
The connection between spin and statistics (Sect. 4.7)
Singlet and triplet wave functions
The exclusion principle
Exchange symmetry
The Landé interval rule (Sect. 4.8)
Landé interval rule
Example
External magnetic fields (Sect. 4.9)
Gravitational spin-orbit coupling?
The earth and moon
Spin-orbit vector sums
Anomalous Zeeman effect
Landé g-factor
Anom. Zeeman (continued)
Zeeman splitting
Grotrian diagram
Paschen-Back effect
Splitting with increasing field
Very strong fields
Electromagnetic hamiltonian
Quadratic hamiltonian
Field effects in bulk matter
The origins of para- and diamagnetism
The field vectors D, E, H, B
Bound and free charges and currents
Hund's rule, exclusion and condensation
Ferromagnetism - exchange on the halfshell
Chapt. 1
Chapt. 2
Chapt. 3
Chapt. 5
Chapt. 6
Chapt. 7
Chapt. 8
Homepage
Elementary examples
Physical pendulum
Walking
Billiard cushions
Billiards with impulse
Billiards w/o forces
Bowling with friction
Bowling alleys w/o forces