Effect of disorder and polarization sequences on two-dimensional spectra of light harvesting complexes
arXiv:1912.03003 · doi:10.1007/s11120-019-00699-6
Abstract
Two-dimensional electronic spectra (2DES) provide unique ways to track the energy transfer dynamics in light-harvesting complexes. The interpretation of the peaks and structures found in experimentally recorded 2DES is often not straightforward, since several processes are imaged simultaneously. The choice of specific pulse polarization sequences helps to disentangle the sometimes convoluted spectra, but brings along other disturbances. We show by detailed theoretical calculations how 2DES of the Fenna-Matthews-Olson complex are affected by rotational and conformational disorder of the chromophores.
arXiv comment8 pages, 4 figures
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