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Proceedings Paper

Soliton and exciton effects in femtosecond spectroscopy of conjugated polymers
Author(s): M. Hartmann; Akira Takahashi; Shaul Mukamel; Michael Schreiber
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Paper Abstract

We introduce a concept which allows to study the nonlinear optical response of conjugated polymers taking into account many-body effects of the excitation process. The formation of charge transfer excitons and the creation of lattice distortions are studied in short polymer chains by solving the self consistent equations of motion for the reduced single electron density matrix and the lattice displacement. The coupling of electronic motions to lattice dynamics gives rise to the formation of excitonic polarons, which can be identified in the femtosecond pump-probe signal.

Paper Details

Date Published: 9 February 1995
PDF: 12 pages
Proc. SPIE 2362, International Conference on Excitonic Processes in Condensed Matter, (9 February 1995);
Show Author Affiliations
M. Hartmann, Technische Univ. Chemnitz-Zwickau (Germany)
Akira Takahashi, Univ. of Rochester (United States)
Shaul Mukamel, Univ. of Rochester (United States)
Michael Schreiber, Technische Univ. Chemnitz-Zwickau (Germany)

Published in SPIE Proceedings Vol. 2362:
International Conference on Excitonic Processes in Condensed Matter
Jai Singh, Editor(s)

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