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Open Quantum Systems Decoherence Quantum Chemistry

Predicting entanglement and coherent times in FMO complex using the HEOM method

arXiv
Authors: Bruno González-Soria, Francisco Delgado, Alan Anaya-Morales

Year

2020

Paper ID

21399

Status

Preprint

Abstract Read

~2 min

Abstract Words

96

Citations

N/A

Abstract

Fenna-Matthews-Olson (FMO) bacteriochlorophylls (BChls) are molecules responsible of the high efficiency energy transfer in the photosynthetic process of green sulfur bacteria, controversially associated to quantum phenomena of long lived coherence. This phenomenon is modelled using Quantum Open Systems (QOS) without included memory effects of the surrounding approximated as a phonon bath on thermal equilibrium. This work applies the Hierarchical Equations of Motion method (HEOM), a non-Markovian approach, in the modelling of the system evolution of the FMO complex to perform predictions about the coherence time scales together with global and semi-local entanglement during the quantum excitation.

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  • Fenna-Matthews-Olson (FMO) bacteriochlorophylls (BChls) are molecules responsible of the high efficiency energy transfer in the photosynthetic process of green sulfur bacteria...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2008.07580 [2] arXiv https://arxiv.org/abs/2008.07580 [3] Publisher https://arxiv.org/abs/2008.07580

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