Enhanced dispersion interaction in confined geometry

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dc.creatorMarcovitch, Michal
dc.creatorDiamant, Haim
dc.date2005-08-18
dc.date2005-11-30
dc.date.accessioned2026-07-07T06:43:24Z
dc.date.available2026-07-07T06:43:24Z
dc.descriptionThe dispersion interaction between two point-like particles confined in a dielectric slab between two plates of another dielectric medium is studied within a continuum (Lifshitz) theory. The retarded (Casimir-Polder) interaction at large inter-particle distances is found to be strongly enhanced as the mismatch between the dielectric permittivities of the two media is increased. The large-distance interaction is multiplied due to confinement by a factor of $(33γ^{5/2}+13γ^{-3/2})/46$ at zero temperature, and by $(5γ^2+γ^{-2})/6$ at finite temperature, $γ=\ein(0)/\eout(0)$ being the ratio between the static dielectric permittivities of the inner and outer media. This confinement-induced amplification of the dispersion interaction can reach several orders of magnitude.
dc.description4 pages
dc.identifierhttps://arxiv.org/abs/physics/0508128
dc.identifierhttp://arxiv.org/abs/physics/0508128
dc.identifierPhys. Rev. Lett. 95, 223203 (2005)
dc.identifierdoi:10.1103/PhysRevLett.95.223203
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/102402
dc.subjectChemical Physics
dc.subjectMaterials Science
dc.subjectSoft Condensed Matter
dc.subjectQuantum Physics
dc.titleEnhanced dispersion interaction in confined geometry
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