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Casimir-Lifshitz interaction between ZnO and SiO2 nanorods in bromobenzene turns repulsive at intermediate separations due to retardation effects

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dc.contributor.authorBostrom, Mathias
dc.contributor.authorSernelius, B
dc.contributor.authorBaldissera, Gustavo
dc.contributor.authorPersson, Clas
dc.contributor.authorNinham, Barry
dc.date.accessioned2015-12-13T22:22:23Z
dc.date.issued2012
dc.date.updated2016-02-24T09:05:51Z
dc.description.abstractWe consider the interaction between a ZnO nanorod and a SiO2 nanorod in bromobenzene. Using optical data for the interacting objects and ambient we calculate the force (from short-range attractive van der Waals force to intermediate-range repulsive Casimir-Lifshitz force to long-range entropically driven attraction). The nonretarded van der Waals interaction is attractive at all separations. We demonstrate a retardation-driven repulsion at intermediate separations. At short separations (in the nonretarded limit) and at large separations (in the classical limit) the interaction is attractive. These effects can be understood from an analysis of multiple crossings of the dielectric functions of the three media as functions of imaginary frequencies.
dc.identifier.issn1050-2947
dc.identifier.urihttp://hdl.handle.net/1885/72229
dc.publisherAmerican Physical Society
dc.rightsAuthor/s retain copyrighten_AU
dc.sourcePhysical Review A: Atomic, Molecular and Optical Physics
dc.subjectKeywords: Bromobenzene; Classical limits; Dielectric functions; Imaginary frequency; Optical data; Retardation effect; Short separations; Van Der Waals interactions; ZnO; ZnO nanorod; Dielectric materials; Nanorods; Van der Waals forces; Zinc oxide; Separation
dc.titleCasimir-Lifshitz interaction between ZnO and SiO2 nanorods in bromobenzene turns repulsive at intermediate separations due to retardation effects
dc.typeJournal article
dcterms.accessRightsOpen Accessen_AU
local.bibliographicCitation.issue4
local.bibliographicCitation.startpage044702-1-4
local.contributor.affiliationBostrom, Mathias, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationSernelius, B, Linkoping University
local.contributor.affiliationBaldissera, Gustavo, Royal Institute of Technology
local.contributor.affiliationPersson, Clas, Royal Institute of Technology
local.contributor.affiliationNinham, Barry, College of Physical and Mathematical Sciences, ANU
local.contributor.authoruidBostrom, Mathias, u1806138
local.contributor.authoruidNinham, Barry, u7100478
local.description.notesImported from ARIES
local.identifier.absfor020406 - Surfaces and Structural Properties of Condensed Matter
local.identifier.ariespublicationf5625xPUB3133
local.identifier.citationvolume85
local.identifier.doi10.1103/PhysRevA.85.044702
local.identifier.scopusID2-s2.0-84859797432
local.identifier.thomsonID000302602500012
local.type.statusPublished Version

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