Probing the two-exciton manifold of light-harvesting antenna complexes using femtosecond four-wave mixing

被引：37

作者：

Kuhn, O ^{[1
]}

Mukamel, S ^{[1
]}

机构：

[1] UNIV ROCHESTER,DEPT CHEM,ROCHESTER,NY 14627

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 1997年 / 101卷 / 05期

关键词：

D O I：

10.1021/jp961822e

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：

Two femtosecond four-wave-mixing techniques carried out using the photon echo pulse sequence with positive or negative time delays are shown to provide a direct probe for two-exciton dynamics in light-harvesting antennae of photosynthetic bacteria and green plants. The spectroscopic signatures of intramolecular and interaction-induced (intermolecular) two-exciton states are analyzed using a collective excitonic oscillator representation of the nonlinear optical response.

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页码：809 / 816

页数：8

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