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Time-independent perturbation theory
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Time-independent perturbation theory
Introduction
Improved notation
The two-state system
Non-degenerate perturbation theory
The quadratic Stark effect
Degenerate perturbation theory
The linear Stark effect
The fine structure of hydrogen
The Zeeman effect
Hyperfine structure
Time-dependent perturbation theory
Introduction
Preliminary analysis
The two-state system
Spin magnetic resonance
Perturbation expansion
Harmonic perturbations
Electromagnetic radiation
The electric dipole approximation
Spontaneous emission
Radiation from a harmonic oscillator
Selection rules
transitions in hydrogen
Intensity rules
Forbidden transitions
Variational methods
Introduction
The variational principle
The helium atom
The hydrogen molecule ion
Scattering theory
Introduction
Fundamentals
The Born approximation
Partial waves
Determination of phase-shifts
Hard sphere scattering
Low energy scattering
Resonances
Richard Fitzpatrick 2006-12-12
transitions in hydrogen