Chy 475

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Chy 4752013 Radiation relations lineshapes
(FGA)

• Time-dependent perturbation theory
• Radiation density, Intensity and Electric Field
  Einstein coefficients
• Lineshapes and dynamical information from
  Spectroscopy

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Expansion in a complete set of states
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Time-dependent perturbation theory1
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Time-dependent perturbation theory2
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Time-dependent perturbation theory3
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Time-dependent perturbation theory4
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Time-dependent perturbation theory5
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Time-dependent perturbation theory6
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Time-dependent perturbation theory7
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Time-dependent perturbation theory8
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Radiation relations
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Black-body radiation and Plancks Law
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Equilibrium in the presence of radiation
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Kinetics equilibrium expressions compared
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Compare Einstein expression with Plancks
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Einstein coefficients
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What is B12 in terms of H(t) ?
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What is B12 in terms of H(t) ?
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What is B12 in terms of H(t) ?
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Lifetime is controlled by A21 in the absence of
other factors!