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Light harvesting complex II B850 excitation dynamics

Open access
Strümpfer, Johan, Schulten, Klaus·2009·The Journal of Chemical Physics

Abstract

The dynamics of excitation energy transfer within the B850 ring of light harvesting complex 2 from Rhodobacter sphaeroides and between neighboring B850 rings is investigated by means of dissipative quantum mechanics. The assumption of Boltzmann populated donor states for the calculation of intercomplex excitation transfer rates by generalized Förster theory is shown to give accurate results since intracomplex exciton relaxation to near-Boltzmann population exciton states occurs within a few picoseconds. The primary channels of exciton transfer between B850 rings are found to be the five lowest-lying exciton states, with non-850 nm exciton states making significant contributions to the total transfer rate.

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Metadata

Authors
Strümpfer, J., & Schulten, K.
Venue
The Journal of Chemical Physics
Published
2009-12-09
Volume
131
Issue
22
Pages
225101-225101
ISSN
  • 0021-9606 (ISSN-L)
  • 1089-7690
OpenAlex
W2161259407
Cited by
166
References
3
FWCI
10.04
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Light harvesting complex II B850 excitation dynamics. https://app.cochat.ai/papers/10.1063/1.3271348
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Strümpfer, J., & Schulten, K. (2009). Light harvesting complex II B850 excitation dynamics. The Journal of Chemical Physics. https://doi.org/10.1063/1.3271348

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.