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hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorWÜRGER, Alois
dc.date.created2006
dc.date.issued2006-01-17
dc.identifier.issn1292-8941
dc.description.abstractEnWe study the electrostatic properties of charged particles trapped at an interface in a water-in-oil microemulsion. The electrostatic potential and the counterion distribution in the water droplet are given in terms of the ratio of the Debye screening length ⁻¹ and the droplet radius R. In the limit R→∞ we recover the well-known results for a flat interface. Finite-size corrections are obtained in terms of the small parameter 1/R. Part of the counterions spread along the interface and form a charged layer of one Debye length thickness. In particular, there is a uniform surface charge contribution. We derive explicit expressions for the electric field, the mobile charge density, and the charge-induced pressure on the interface.
dc.language.isoen
dc.publisherEDP Sciences: EPJ
dc.title.enScreened Electrostatics of Charged Particles on a Water Droplet
dc.typeArticle de revue
dc.identifier.doi10.1140/epje/e2006-00002-y
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Matière Molle [cond-mat.soft]
bordeaux.journalEuropean Physical Journal E: Soft matter and biological physics
bordeaux.page5
bordeaux.volume19
bordeaux.peerReviewedoui
hal.identifierhal-00341447
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00341447v1
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