Please use this identifier to cite or link to this item: https://doi.org/10.1140/epjd/e2013-40170-x
Title: Effect of complex inter-site couplings on the excitation energy transfer in the FMO complex
Authors: Yi, X.X.
Zhang, X.
Oh, C.H. 
Keywords: Optical Phenomena and Photonics
Issue Date: Aug-2013
Citation: Yi, X.X., Zhang, X., Oh, C.H. (2013-08). Effect of complex inter-site couplings on the excitation energy transfer in the FMO complex. European Physical Journal D 67 (8) : -. ScholarBank@NUS Repository. https://doi.org/10.1140/epjd/e2013-40170-x
Abstract: It is believed that the quantum coherence itself cannot explain the very high excitation energy transfer (EET) efficiency in the Fenna-Matthews-Olson (FMO) complex. In this paper, we show that this is not the case if the inter-site couplings take complex values. By phenomenologically introducing phases into the inter-site couplings, we obtain a EET efficiency as high as 0.8972 in contrast to 0.6781 with real inter-site couplings. Dependence of the EET efficiency on the initial states is elaborated. Effects of fluctuations in the site energies and inter-site couplings are also examined. © 2013 EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg.
Source Title: European Physical Journal D
URI: http://scholarbank.nus.edu.sg/handle/10635/96298
ISSN: 14346060
DOI: 10.1140/epjd/e2013-40170-x
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