Non-Markovian stochastic description of quantum transport in photosynthetic systems

Details Non-Markovian stochastic description of quantum transport in photosynthetic systems Non-Markovian stochastic description of quantum transport in photosynthetic systems

2010-05-04

arxiv.org/abs/1005.0465v2

Physics

Quantum Physics

21 pages, 5 figures

Scientific paper

We analyze several aspects of the transport dynamics in the LH1-RC core of purple bacteria, which consists basically in a ring of antenna molecules that transport the energy into a target molecule, the reaction center, placed in the center of the ring. We show that the periodicity of the system plays an important role to explain the relevance of the initial state in the transport efficiency. This picture is modified, and the transport enhanced for any initial state, when considering that molecules have different energies, and when including their interaction with the environment. We study this last situation by using stochastic Schr{\"o}dinger equations, both for Markovian and non-Markovian type of interactions.

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