Chapter 4
The Vector Model of Angular Momentum
Electron spin
Two relativistic limits of the Dirac equation
"Classical"
g
-factor
Tangential speed
Zitterbewegung
Spin 1/2
Spin and rotation
Philippine wine dance
continued
Low-order spin doctors
BE and FD statistics
The exclusion principle
Pauli spin matrices
Commutation properties
Internal fields
Angular momentum addition
The vector model
LS and jj coupling
Strengths of internal fields
Nuclear vs electronic
Landé interval rule
Centroid rule
Example: hydrogen
Example: helium
Example: boron
Elementary angular momentum examples
Billiard cushions
Bowling alleys
Physical pendulum
Walking
Atoms in external magnetic fields
Spin-orbit vector sums
Anomalous Zeeman effect
Anom. Zeeman (continued)
Zeeman splitting
Grotrian diagram
Paschen-Back effect
Splitting with increasing field
Sigma and pi radiation
The origins of para- and diamagnetism
The field vectors
D, E, H, B
CHAPTER 1
CHAPTER 2
CHAPTER 3
CHAPTER 5
CHAPTER 6
CHAPTER 7
CHAPTER 8
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