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gmy1990: ½ð±Ò+2 2013-11-01 16:12:12
transition dipole moment = <A'|u|A''>
A' is the wave function of the initial state, A'' is the wave function of the final state, u represents the electronic dipole operator.

the oscillator intensity f = E* |transition dipole moment|^2 * 2 / 3
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