Defects in vertically vibrated monolayers of cylinders

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dc.contributor.author González Pinto, M.
dc.contributor.author Renner, Johannes
dc.contributor.author De las Heras, Daniel
dc.contributor.author Martínez-Ratón, Yuri
dc.contributor.author Velasco, Enrique
dc.date.accessioned 2020-11-23T12:17:40Z
dc.date.available 2020-11-23T12:17:40Z
dc.date.issued 2019-03-15
dc.identifier.bibliographicCitation New Journal of Physics, Volume 21, March 2019
dc.identifier.issn 1367-2630
dc.identifier.uri http://hdl.handle.net/10016/31458
dc.description.abstract We analyse liquid-crystalline ordering in vertically vibrated monolayers of cylinders confined in a circular cavity. Short cylinders form tetratic arrangements with C-4 symmetry. This symmetry, which is incompatible with the geometry of the cavity, is restored by the presence of four point defects with total topological charge +4. Equilibrium Monte Carlo simulations predict the same structure. A new method to measure the elastic properties of the tetratic medium is developed which exploits the clear similarities between the vibrated dissipative system and the thermal equilibrium system. Our observations open up a new avenue to investigate the formation of defects in response to boundary conditions, an issue which is very difficult to realise in colloidal or molecular systems.
dc.description.sponsorship Financial support under grants FIS2015-66523-P and FIS2017-86007-C3-1-P from Ministerio de Economía, Industria y Competitividad (MINECO) of Spain is acknowledged. This publication was funded by the German Research Foundation (DFG) and the University of Bayreuth in the funding programme Open Access Publishing.
dc.language.iso eng
dc.publisher IOP Publishing
dc.rights © 2019 The Author(s)
dc.rights Atribución 3.0 España
dc.rights.uri http://creativecommons.org/licenses/by/3.0/es/
dc.subject.other Tetratic
dc.subject.other Topological Defects
dc.subject.other Granular monolayers
dc.subject.other Dissipative systems
dc.subject.other Confined liquid crystals
dc.title Defects in vertically vibrated monolayers of cylinders
dc.type article
dc.subject.eciencia Matemáticas
dc.identifier.doi 10.1088/1367-2630/ab060b
dc.rights.accessRights openAccess
dc.relation.projectID Gobierno de España. FIS2015-66523-P
dc.relation.projectID Gobierno de España. FIS2017-86007-C3-1-P
dc.type.version publishedVersion
dc.identifier.publicationtitle New Journal of Physics
dc.identifier.publicationvolume 21
dc.identifier.uxxi AR/0000023419
dc.contributor.funder Ministerio de Economía, Industria y Competitividad (España)
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