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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Double-quantum resonances and exciton-scattering in coherent 2D spectroscopy of photosynthetic complexes
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Double-quantum resonances and exciton-scattering in coherent 2D spectroscopy of photosynthetic complexes

机译:光合作用相干二维二维光谱中的双量子共振和激子散射

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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.
机译:仿真研究表明,如何通过一系列专门设计用于探测双激发相关动力学的激光脉冲来探索Fenna-Matthews-Olson光合光捕获复合体的非线性光学响应。光谱的2D相关图中的交叉峰揭示了双激子波函数在单激子直接乘积的基础上的投影。研究了这些信号在准粒子散射方面的另一种物理解释。

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