Tight-binding model of the photosystem II reaction center: application to two-dimensional electronic spectroscopy
作者： Andrius Gelzinis , Leonas Valkunas , Franklin D Fuller , Jennifer P Ogilvie , Shaul Mukamel
DOI: 10.1088/1367-2630/15/7/075013
关键词:
摘要: We propose an optimized tight-binding electron-hole model of the photosystem II (PSII) reaction center (RC). Our incorporates two charge separation pathways and spatial correlations both static disorder fast fluctuations energy levels. It captures main experimental features observed in time-resolved two-dimensional (2D) optical spectra at 77K: peak pattern, lineshapes time traces. Analysis 2D kinetics reveals that specific regions PSII RC are sensitive to transfer states. find peripheral chlorophylls is four times larger than other pigments.
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