Spontaneous nematic polarisation and deformation in active media

Autor:	Len M. Pismen, Michael H. Köpf
Rok vydání:	2014
Předmět:	Materials science Condensed matter physics Liquid crystal Linear stability analysis Active medium General Physics and Astronomy General Materials Science Statistical physics Physical and Theoretical Chemistry Deformation (meteorology) Linear analysis Direct feedback Sign (mathematics)
Zdroj:	The European Physical Journal Special Topics. 223:1247-1257
ISSN:	1951-6401 1951-6355
DOI:	10.1140/epjst/e2014-02188-8
Popis:	We explore two minimal macroscopic continuous models with feedback interactions inducing spontaneous nematic polarisation and mechanical deformation of the active medium. In the model based on direct feedback between deformation and ordering, linear stability analysis predicts transition to a uniform deformed nematic state but ordering is frustrated in a constrained geometry. In the model mediated by an active or controlling species, transition to either stationary or wave patterns, depending on the sign of interaction coefficients, is predicted by linear analysis and confirmed by numerical simulations.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::9ffd7bdca50425d1f3092ba302de061c https://doi.org/10.1140/epjst/e2014-02188-8 Zobrazit plný text záznamu Full text from SpringerLink