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Unformatted text preview: Selection rules 7.5 Symmetric Two-State Systems 7.5.1 A graphical example 7.5.2 Particle exchange and forces 7.6. ASYMMETRIC TWO-STATE SYSTEMS 93 7.5.3 Spontaneous emission 7.6 Asymmetric Two-State Systems 7.6.1 Spontaneous emission revisited 7.7 Absorption and Stimulated Emission 7.7.1 The Hamiltonian 7.7.2 The two-state model 7.8 General Interaction with Radiation...
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- Fall '11