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Article: Low-lying excited states of light-harvesting system II in purple bacteria

TitleLow-lying excited states of light-harvesting system II in purple bacteria
Authors
Issue Date2004
PublisherAmerican Physical Society. The Journal's web site is located at http://pre.aps.org
Citation
Physical Review E - Statistical, Nonlinear, And Soft Matter Physics, 2004, v. 69 n. 3, p. 032902 How to Cite?
AbstractThe low-lying excited states of a B850 ring of Rhodospirillum (Rs.) molischianum are determined accurately by a semiempirical INDO/S method. Results obtained are found to fit extremely well with a Frenkel exciton model with long-range dipolar interactions, and the spatial size of the electron-hole pair is confirmed to fall predominantly within one bacteriochlorophyll with a small leakage to its nearest neighbors. More importantly, the nearest neighbor exciton coupling constants are found to be close to those evaluated directly from dimers, and thus, an existing discrepancy between calculated results of dimers and B850 rings has been resolved.
Persistent Identifierhttp://hdl.handle.net/10722/168296
ISSN
2004 Impact Factor: 2.352
2003 SCImago Journal Rankings: 1.360
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhao, Yen_US
dc.contributor.authorNg, MFen_US
dc.contributor.authorChen, Gen_US
dc.date.accessioned2012-10-08T03:17:10Z-
dc.date.available2012-10-08T03:17:10Z-
dc.date.issued2004en_US
dc.identifier.citationPhysical Review E - Statistical, Nonlinear, And Soft Matter Physics, 2004, v. 69 n. 3, p. 032902en_US
dc.identifier.issn1063-651Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/168296-
dc.description.abstractThe low-lying excited states of a B850 ring of Rhodospirillum (Rs.) molischianum are determined accurately by a semiempirical INDO/S method. Results obtained are found to fit extremely well with a Frenkel exciton model with long-range dipolar interactions, and the spatial size of the electron-hole pair is confirmed to fall predominantly within one bacteriochlorophyll with a small leakage to its nearest neighbors. More importantly, the nearest neighbor exciton coupling constants are found to be close to those evaluated directly from dimers, and thus, an existing discrepancy between calculated results of dimers and B850 rings has been resolved.en_US
dc.languageengen_US
dc.publisherAmerican Physical Society. The Journal's web site is located at http://pre.aps.orgen_US
dc.relation.ispartofPhysical Review E - Statistical, Nonlinear, and Soft Matter Physicsen_US
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleLow-lying excited states of light-harvesting system II in purple bacteriaen_US
dc.typeArticleen_US
dc.identifier.emailChen, G:ghc@yangtze.hku.hken_US
dc.identifier.authorityChen, G=rp00671en_US
dc.description.naturepublished_or_final_versionen_US
dc.identifier.doi10.1103/PhysRevE.69.032902en_US
dc.identifier.scopuseid_2-s2.0-42749105051en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-42749105051&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume69en_US
dc.identifier.issue3en_US
dc.identifier.spage032902en_US
dc.identifier.epage032902en_US
dc.identifier.isiWOS:000220729100085-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridZhao, Y=8579132600en_US
dc.identifier.scopusauthoridNg, MF=37161861600en_US
dc.identifier.scopusauthoridChen, G=35253368600en_US

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