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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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, Physics and Electrical Engineering
Depositing User: Ay Okpokam
Date Deposited: 12 Jul 2013 10:38
Last Modified: 13 Oct 2019 00:31

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