Topological Inclusions in 2D Smectic-C Films

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dc.creatorPettey, David
dc.creatorLubensky, T. C.
dc.creatorLink, Darren
dc.date1998-05-29
dc.date.accessioned2026-07-07T03:10:43Z
dc.date.available2026-07-07T03:10:43Z
dc.descriptionIn thin films of smectic-C liquid crystals, localized regions containing additional smectic layers form circular inclusions that carry a topological charge. Such inclusions nucleate a companion topological defect. These inclusion-defect pairs are modeled as topological dipoles within the context of a one-coupling constant approximation to the 2D Frank free energy. Deviations of the dipole direction from a preferred orientation cause the dipoles to acquire a logarithmic charge. Thermal fluctuations of the dipole direction are calculated and found to be large, scaling as the logarithm of the system size. In addition to dipole-dipole interactions arising from the topological charges, we also find that the thermal fluctuations of the dipole directions are coupled through a preference for global charge neutrality of the logarithmic charges.
dc.description10 REVTEX pages, 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/9805403
dc.identifierhttp://arxiv.org/abs/cond-mat/9805403
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/28313
dc.subjectSoft Condensed Matter
dc.titleTopological Inclusions in 2D Smectic-C Films
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