Multipartite Quantum Entanglement Evolution in Photosynthetic Complexes

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Multipartite Quantum Entanglement Evolution in Photosynthetic Complexes

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Title: Multipartite Quantum Entanglement Evolution in Photosynthetic Complexes
Author: Aspuru-Guzik, Alan; Zhu, Jing; Kais, Sabre; Rodriques, Sam; Brock, Ben; Love, Peter J.

Note: Order does not necessarily reflect citation order of authors.

Citation: Zhu, Jing, Sabre Kais, Alan Aspuru-Guzik, Sam Rodriques, Ben Brock, and Peter J. Love. 2012. Multipartite quantum entanglement evolution in photosynthetic complexes. Journal of Chemical Physics 137(7): 074112.
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Abstract: We investigate the evolution of entanglement in the Fenna-Matthew-Olson (FMO) complex based on simulations using the scaled hierarchy equation of motion (HEOM) approach. We examine the role of multipartite entanglement in the FMO complex by direct computation of the convex roof optimization for a number of measures, including some that have not been previously evaluated. We also consider the role of monogamy of entanglement in these simulations. We utilize the fact that the monogamy bounds are saturated in the single exciton subspace. This enables us to compute more measures of entanglement exactly and also to validate the evaluation of the convex roof. We then use direct computation of the convex roof to evaluate measures that are not determined by monogamy. This approach provides a more complete account of the entanglement in these systems than has been available to date. Our results support the hypothesis that multipartite entanglement is maximum primary along the two distinct electronic energy transfer pathways.
Published Version: doi:10.1063/1.4742333
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:9751932

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  • FAS Scholarly Articles [7450]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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