Publication:
Demixing behavior in two-dimensional mixtures of anisotropic hard bodies

Simple item page
dc.affiliation.dptoUC3M. Departamento de Matemáticases
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Interdisciplinar de Sistemas Complejos (GISC)es
dc.contributor.authorMartínez-Ratón, Yuri
dc.contributor.authorVelasco, Enrique
dc.contributor.authorMederos, Luis
dc.date.accessioned2010-02-25T08:36:26Z
dc.date.available2010-02-25T08:36:26Z
dc.date.issued2005-09
dc.description11 pages, 9 figures.-- PACS nrs.: 64.70.Md, 64.75.+g, 61.20.Gy.-- ArXiv pre-print available at: http://arxiv.org/abs/cond-mat/0509213
dc.description.abstractScaled particle theory for a binary mixture of hard discorectangles and for a binary mixture of hard rectangles is used to predict possible liquid-crystal demixing scenarios in two dimensions. Through a bifurcation analysis from the isotropic phase, it is shown that isotropic-nematic demixing is possible in two-dimensional liquid-crystal mixtures composed of hard convex bodies. This bifurcation analysis is tested against exact calculations of the phase diagrams in the framework of the restricted-orientation two-dimensional model (Zwanzig model). Phase diagrams of a binary mixture of hard discorectangles are calculated through the parametrization of the orientational distribution functions. The results show not only isotropic-nematic, but also nematic-nematic demixing ending in a critical point, as well as an isotropic-nematic-nematic triple point for a mixture of hard disks and hard discorectangles.
dc.description.sponsorshipOne of the authors (Y.M.-R.) was supported by a Ramón y Cajal research contract from the Spanish MCyT. This work is part of the research Project Nos. BFM2003-0180, BFM2001-0224-C02-01, BFM2001-0224-C02-02, and BFM2001-1679-C03-02 (DGI) of the Ministerio de Ciencia y Tecnología (Spain).
dc.description.statusPublicado
dc.format.mimetypeapplication/pdf
dc.identifier.bibliographicCitationPhysical Review E 72, 031703 (2005)
dc.identifier.doi10.1103/PhysRevE.72.031703
dc.identifier.issn1539-3755
dc.identifier.urihttps://hdl.handle.net/10016/7012
dc.language.isoeng
dc.publisherThe American Physical Society
dc.relation.publisherversionhttp://dx.doi.org/10.1103/PhysRevE.72.031703
dc.rights© The American Physical Society
dc.rights.accessRightsopen access
dc.subject.ecienciaMatemáticas
dc.subject.other[PACS] Transitions in liquid crystals
dc.subject.other[PACS] Phase equilibria
dc.subject.other[PACS] Theory and models of liquid structure
dc.titleDemixing behavior in two-dimensional mixtures of anisotropic hard bodies
dc.typeresearch article*
dc.type.reviewPeerReviewed
dspace.entity.typePublication
Files
Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
demixing_martinez-raton_pre_2005_ps.pdf
Size:
1.09 MB
Format:
Adobe Portable Document Format
Description:
preprint version
Download
Collections
DM - GISC - Artículos de Revistas