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Intramolecular Electronic Transitions

  • Philipp O. J. SchererEmail author
  • Sighart F. Fischer
Chapter
Part of the Biological and Medical Physics, Biomedical Engineering book series (BIOMEDICAL)

Abstract

In this chapter, we discuss the coupling to the electromagnetic radiation field semiclassically and derive the transition rates for absorption and induced emission in the dipole approximation. We compare with the fully quantized treatment and derive the rate of spontaneous fluorescence. We introduce the Condon approximation for optical transitions. The Franck–Condon-weighted density of states is formulated with the time-correlation function formalism. We discuss the generation of pure Born–Oppenheimer states with very short excitation pulses. Finally, we consider radiationless transitions.

Copyright information

© Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  1. 1.Physikdepartment T38Technische Universität MünchenGarchingGermany

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