Director libration in nematoacoustics

De Matteis, Giovanni and Virga, Epifanio (2011) Director libration in nematoacoustics. Physical Review E, 83 (1). 011703. ISSN 1539-3755

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Official URL: http://dx.doi.org/10.1103/PhysRevE.83.011703

Abstract

We extended the analysis of a variational theory for nematoacoustics recently proposed by Virga [Phys. Rev. E 80, 031705 (2009)] by allowing the nematic director to vibrate about an average orientation at the frequency of a propagating wave, a periodic motion that we call the director libration. The acoustic susceptibilities, two phenomenological parameters that, in this theory, express the coupling between director and acoustic fields, are estimated along with an extra viscosity coefficient by using available experimental data.

Item Type: Article
Subjects: F300 Physics
Department: Faculties > Engineering and Environment > Mathematics and Information Sciences
Depositing User: Ay Okpokam
Date Deposited: 12 Jul 2013 10:38
Last Modified: 10 Aug 2015 11:19
URI: http://nrl.northumbria.ac.uk/id/eprint/13212

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