Digitální knihovnaUPCE
 

Modeling of Emission and Absorption Spectra of LH2 Complex (B850 and B800 Ring) - Full Hamiltonian Model

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Datum publikování

2016

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Simulated absorption and steady state fluorescence spectra for the model of peripheral cyclic antenna unit LH2 from purple bacteria are presented. The spectra for more complex system (B850 and B800 ring) are calculated within full Hamiltonian model and these results are compared with the previous ones calculated within the nearest neighbour approximation model. Dynamic disorder, interaction with phonon bath, in Markovian approximation simultaneously with uncorrelated static disorder in local excitation energies are taking into account in our simulations. The cumulant-expansion method of Mukamel et al. is used for the calculation of spectral responses of the system with exciton-phonon coupling. The localization of exciton states is also investigated.

Rozsah stran

p. 208-217

ISSN

1998-0159

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Zdrojový dokument

International Journal of Mathematics and Computers in Simulation, volume 10, issue: duben

Vydavatelská verze

http://www.naun.org/main/NAUN/mcs/2016/a542001-453.pdf

Přístup k e-verzi

open access

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Klíčová slova

LH2, B800 ring, B850 ring, absorption and fluorescence spectrum, static and dynamic disorder, exciton, states, localization

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