Few-states models for three-photon absorption.

  title={Few-states models for three-photon absorption.},
  author={P. Cronstrand and P. Norman and Y. Luo and H. {\AA}gren},
  journal={The Journal of chemical physics},
  volume={121 5},
  • P. Cronstrand, P. Norman, +1 author H. Ågren
  • Published 2004
  • Medicine, Chemistry
  • The Journal of chemical physics
  • Few-states models are derived for the calculation of three-photon absorption matrix elements. Together with earlier derived few-states models for two-photon absorption, the models are evaluated against results from response theory calculations that provide the full sum-over-states values. It is demonstrated that not even for systems with charge-transfer character, where few-states models for two-photon absorption are in excellent agreement with response theory, do the models provide a… CONTINUE READING
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