Excitation energy transfer in light-harvesting system: Effect of initial state

Abstract

The light-harvesting is a problem of long interest. It becomes active again in recent years stimulated by suggestions of quantum effects in energy transport. Recent experiments found evidence that BChla 1 and BChla 6 are the first to be excited in the Fenna-Matthews-Olson(FMO) protein, theoretical studies, however, are mostly restricted to consider the exciton in BChla 1 initially. In this paper, we study the energy transport in the FMO complex by taking different initial states into account. Optimizations are performed for the decoherence rates as to maximal transport efficiency. Dependence of the energy transfer efficiency on the initial states is given and discussed. Effects of fluctuations in the site energies and couplings are also examined.

6 pages, 6 figures, J Phys B accepted

References in corpus (5)

• Environment-Assisted Quantum Transport
• Highly efficient energy excitation transfer in light-harvesting complexes: The fundamental role of noise-assisted transport
• Efficiency of energy transfer in a light-harvesting system under quantum coherence
• Suppression of quantum oscillations and the dependence on site energies in electronic excitation transfer in the Fenna-Matthews-Olson trimer
• Dimerization-assisted energy transport in light-harvesting complexes

Cited by in corpus (4)

• Complex quantum network model of energy transfer in photosynthetic complexes
• Dynamics and quantumness of excitation energy transfer through a complex quantum network
• Effects of oscillatory deformations on the coherent and incoherent quantum transport
• Numerical Evidence for Robustness of Environment-Assisted Quantum Transport