Exciton-wave packet dynamics in molecular aggregates studied with pump-probe spectroscopy

被引：27

作者：

Dahlbom, M

Minami, T

Chernyak, V

Pullerits, T

Sundström, V

Mukamel, S ^{[1
]}

机构：

[1] Univ Rochester, Dept Chem, Rochester, NY 14627 USA

[2] Lund Univ, Dept Chem Phys, S-21100 Lund, Sweden

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2000年 / 104卷 / 16期

关键词：

D O I：

10.1021/jp994172y

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The doorway-window representation of sequential pump-probe spectroscopy, derived by solving the nonlinear exciton equations, is used to study exciton dynamics in molecular aggregates. Exciton relaxation is incorporated through a multilevel Redfield relaxation superoperator calculated using the Brownian oscillator spectral density for the collective phonon coordinates. Optical pulses are included using a mixed time and frequency domain (Wigner spectrogram) representation. Numerical results are presented for a five-chromophore model aggregate.

引用

页码：3976 / 3983

页数：8

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