Laser pulse control of exciton dynamics in a biological

被引：14

作者：

Bruggemann, Ben

Pullerits, Tonu

May, Volkhard

机构：

[1] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany

[2] Lund Univ, SE-22100 Lund, Sweden

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2007年 / 190卷 / 2-3期

关键词：

frenkel excitons; light harvesting systems; open system dynamics; optimal control theory;

D O I：

10.1016/j.jphotochem.2007.01.019

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：

Femtosecond laser pulse control of exciton dynamics in a biological chromophore complex is studied theoretically. The computations use the optimal control theory specified to open quantum systems and formulated in the framework of the rotating wave approximation. Based on the laser pulse induced formation of an excitonic wave packet the possibility to localize excitation energy at a certain chromophore within a photosynthetic antenna system (FMO complex of green bacteria) is investigated. Details of exciton dynamics driven by a polarization shaped pulse are discussed. (c) 2007 Elsevier B.V. All rights reserved.

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页码：372 / 377

页数：6

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