Unstable periodic structures in nematic liquid crystals

dc.creator	Simões M.
dc.creator	Palangana A. J.
dc.creator	Evangelista L. R.
dc.date	1998
dc.date.accessioned	2013-05-29T22:37:15Z
dc.date.available	2013-05-29T22:37:15Z
dc.date.issued	2013-05-30
dc.identifier	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97331998000400010
dc.identifier	http://www.doaj.org/doaj?func=openurl&genre=article&issn=01039733&date=1998&volume=28&issue=4&spage=00
dc.identifier.uri	http://koha.mediu.edu.my:8181/jspui/handle/123456789/2450
dc.description	We present a review of our recent progress in the description of the elastic and dynamical properties of the unstable periodic (walls) arising in a nematic liquid crystal sample. The Lonberg criterion for the selection of the period of these walls is analyzed. We present a detailed study of the universal character of these walls, which is the basis for a law of corresponding states of these periodic structures. We show the connection of corresponding states with the constant ratio between the Miesowicz viscosity coefficients. Finally, the collapse of these structures is investigated. We show that it is due to the exponential growth of the fluctuations localized along the lines where the director does not bend at all.
dc.publisher	Sociedade Brasileira de Física
dc.source	Brazilian Journal of Physics
dc.title	Unstable periodic structures in nematic liquid crystals

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