☆ 4.8 Article

Fast Delocalization Leads To Robust Long-Range Excitonic Transfer in a Large Quantum Chlorosome Model

NANO LETTERS (2015)

期刊

NANO LETTERS

卷 15, 期 3, 页码 1722-1729

出版社

AMER CHEMICAL SOC

DOI: 10.1021/nl504399d

关键词

Chlorosome; photosynthesis; green sulfur bacteria; exdton; spectral density; graphics procssing unit

类别

Chemistry, Multidisciplinary Chemistry, Physical Nanoscience & Nanotechnology Materials Science, Multidisciplinary Physics, Applied Physics, Condensed Matter

资金

Center for Excitonics, an Energy Frontier Research Center - U.S. Department of Energy [DE-SC0001088]
Research Computing Group of the FAS Division of Science
Smith Family Graduate Science and Engineering Fellowship
Defense Threat Reduction Agency [HDTRA1-10-1-0046]
Air Force Office of Scientific Research [FA9550-12-1-0046]
Defense Advanced Research Projects Agency [N66001-10-1-4063]
Corning Foundation

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摘要

Chlorosomes are efficient light-harvesting, antennas containing up to hundred of thousands of bacteriochlorophyll molecules. With massively parallel computer hardware, we use a nonperturbative stochastic Schrodinger equation, while including an atomistically derived, spectral density, to study oxcitonic energy transfer 'in a - realistically sized,chlorosome model We find that fast -short-range, delocalizationleads to robust loup'ange 'transfer due to the-antennae's, concentric-roll' structure. Additionally, we discover anomalous behavior arising from -different initial: conditions, and,outline general considerations for 'Simulating excitoriic systems VI the nanometer to micrometer scale.'

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