Double-quantum resonances and exciton-scattering in coherent 2D spectroscopy of photosynthetic complexes

被引：52

作者：

Abramavicius, Darius ^{[1
]}

Voronine, Dmitri V. ^{[1
]}

Mukamel, Shaul ^{[1
]}

机构：

[1] Univ Calif Irvine, Dept Chem, Irvine, CA 92697 USA

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2008年 / 105卷 / 25期

基金：

美国国家科学基金会;

关键词：

exciton transport; femtosecond spectroscopy; photosynthesis; light harvesting;

D O I：

10.1073/pnas.0802926105

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

A simulation study demonstrates how the nonlinear optical response of the Fenna-Matthews-Olson photosynthetic light-harvesting complex may be explored by a sequence of laser pulses specifically designed to probe the correlated dynamics of double excitations. Cross peaks in the 2D correlation plots of the spectra reveal projections of the double-exciton wavefunctions onto a basis of direct products of single excitons. An alternative physical interpretation of these signals in terms of quasiparticle scattering is developed.

引用

页码：8525 / 8530

页数：6

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