On the influence of underdamped vibrations on coherence and energy transfer times in light-harvesting complexes

被引：7
|
作者：
Mujica-Martinez, C. A. [1 ,2 ]
Nalbach, P. [1 ,2 ]
机构：
[1] Univ Hamburg, Inst Theoret Phys 1, D-20355 Hamburg, Germany
[2] Hamburg Ctr Ultrafast Imaging, D-22761 Hamburg, Germany
来源：
ANNALEN DER PHYSIK | 2015年 / 527卷 / 9-10期
关键词：
electronic energy transfer; quantum dynamics; photosynthetic complexes; REDUCED DENSITY-MATRICES; FMO ANTENNA PROTEIN; ELECTRONIC COHERENCE; TENSOR PROPAGATOR; QUANTUM COHERENCE; DYNAMICS; SYSTEM; RELAXATION; EVOLUTION;
D O I：
10.1002/andp.201500139
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study the quantum exciton dynamics in light-harvesting complexes under the influence of underdamped vibrational molecular modes. We observe prolonged coherent population oscillations between different pigments due to an underdamped mode connected to the originally excited pigment. At the same time, an underdamped vibration at the exit site of the complex provides additional channels for the excitation energy transfer towards the reaction center which shortens the transfer times.
引用
收藏
页码：592 / 600
页数：9
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