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Multipartite Quantum Entanglement Evolution in Photosynthetic Complexes | | Jing Zhu
; Sabre Kais
; Alán Aspuru-Guzik
; Sam Rodriques
; Ben Brock
; Peter J. Love
; | | Date: |
21 Feb 2012 | | 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. | | Source: | arXiv, 1202.4519 | | Services: | Forum | Review | PDF | Favorites | |
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