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College of Natural Sciences(자연과학대학)Dept. of Chemistry(화학과)CH-Journal Papers(저널논문)

Brownian motion from molecular dynamics

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dc.contributor.authorShin, Hyun Kyungko
dc.contributor.authorKim, Changhoko
dc.contributor.authorTalkner, Peterko
dc.contributor.authorLee, Eok Kyunko
dc.date.accessioned2013-03-09T01:05:52Z-
dc.date.available2013-03-09T01:05:52Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2010-10-
dc.identifier.citationCHEMICAL PHYSICS, v.375, no.2-3, pp.316 - 326-
dc.identifier.issn0301-0104-
dc.identifier.urihttp://hdl.handle.net/10203/94913-
dc.description.abstractBrownian motion of single particles with various masses M and diameters D is studied by molecular dynamics simulations. Besides the momentum auto-correlation function of the Brownian particle the memory function and the fluctuating force which enter the generalized Langevin equation of the Brownian particle are determined and their dependence on mass and diameter are investigated for two different fluid densities. Deviations of the fluctuating force distribution from a Gaussian form are observed for small particle diameters. For heavy particles the deviations of the fluctuating force from the total force acting on the Brownian particle decrease linearly with the mass ratio m/M where m denotes the mass of a fluid particle. (C) 2010 Elsevier B. V. All rights reserved.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE BV-
dc.subjectSTOCHASTIC-PROCESSES-
dc.subjectTIME-EVOLUTION-
dc.subjectTRANSPORT-
dc.subjectMOTORS-
dc.subjectMICRODYNAMICS-
dc.subjectEQUILIBRIUM-
dc.subjectPHYSICS-
dc.titleBrownian motion from molecular dynamics-
dc.typeArticle-
dc.identifier.wosid000282594600024-
dc.identifier.scopusid2-s2.0-77957751799-
dc.type.rimsART-
dc.citation.volume375-
dc.citation.issue2-3-
dc.citation.beginningpage316-
dc.citation.endingpage326-
dc.citation.publicationnameCHEMICAL PHYSICS-
dc.identifier.doi10.1016/j.chemphys.2010.05.019-
dc.contributor.localauthorLee, Eok Kyun-
dc.contributor.nonIdAuthorTalkner, Peter-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorBrownian motion-
dc.subject.keywordAuthorMolecular dynamics-
dc.subject.keywordAuthorMori theory-
dc.subject.keywordAuthorMemory kernel-
dc.subject.keywordAuthorFluctuating force-
dc.subject.keywordPlusSTOCHASTIC-PROCESSES-
dc.subject.keywordPlusTIME-EVOLUTION-
dc.subject.keywordPlusTRANSPORT-
dc.subject.keywordPlusMOTORS-
dc.subject.keywordPlusMICRODYNAMICS-
dc.subject.keywordPlusEQUILIBRIUM-
dc.subject.keywordPlusPHYSICS-
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