Experimental test of curvature-driven dynamics in the phase ordering of a two dimensional liquid crystal
dc.contributor.author | Sicilia, Alberto | pt_BR |
dc.contributor.author | Arenzon, Jeferson Jacob | pt_BR |
dc.contributor.author | Dierking, Ingo | pt_BR |
dc.contributor.author | Bray, Alan J. | pt_BR |
dc.contributor.author | Cugliandolo, Leticia F. | pt_BR |
dc.contributor.author | Martínez Perdiguero, Josu | pt_BR |
dc.contributor.author | Alonso, Ibon | pt_BR |
dc.contributor.author | Pintre, Inmaculada C. | pt_BR |
dc.date.accessioned | 2014-08-09T02:11:39Z | pt_BR |
dc.date.issued | 2008 | pt_BR |
dc.identifier.issn | 0031-9007 | pt_BR |
dc.identifier.uri | http://hdl.handle.net/10183/99407 | pt_BR |
dc.description.abstract | We study electric field driven deracemization in an achiral liquid crystal through the formation and coarsening of chiral domains. It is proposed that deracemization in this system is a curvature-driven process. We test this prediction using the recently obtained exact result for the distribution of hullenclosed areas in two-dimensional coarsening with nonconserved scalar order parameter dynamics [J. J. Arenzon et al., Phys. Rev. Lett. 98, 145701 (2007)]. The experimental data are in very good agreement with the theory. We thus demonstrate that deracemization in such bent-core liquid crystals belongs to the Allen-Cahn universality class, and that the exact formula, which gives us the statistics of domain sizes during coarsening, can also be used as a strict test for this dynamic universality class. | en |
dc.format.mimetype | application/pdf | pt_BR |
dc.language.iso | eng | pt_BR |
dc.relation.ispartof | Physical review letters. Melville. Vol. 101, no. 19 (Nov. 2008), 197801, 4 p. | pt_BR |
dc.rights | Open Access | en |
dc.subject | Transformações de fase | pt_BR |
dc.subject | Transformacoes de ordem-desordem | pt_BR |
dc.subject | Moléculas | pt_BR |
dc.subject | Cristais líquidos | pt_BR |
dc.title | Experimental test of curvature-driven dynamics in the phase ordering of a two dimensional liquid crystal | pt_BR |
dc.type | Artigo de periódico | pt_BR |
dc.identifier.nrb | 000679745 | pt_BR |
dc.type.origin | Estrangeiro | pt_BR |
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