Dynamics of a nanowire in twisted nematic liquid crystal |
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| Affiliation: | 1. Université de Tunis El Manar, Faculté des Sciences de Tunis, LR99ES16 Laboratoire Physique de la Matière Molle et de la Modélisation Électromagnétique, 2092 Tunis, Tunisia;2. Department of Physics, Girls College of Science, University of Dammam, PO Box 838, Dammam 31113, Saudi Arabia;3. Université de Tunis El Manar, Faculté des Sciences de Tunis, Laboratoire de Strcture de chimie organique et macromolécules, 2092 Tunis, Tunisia;4. Centro di Eccellenza CEMIF.CAL, LASCAMM, CR-INSTM Unità della Calabria, Dipartimento di Chimica e Tecnologie Chimiche - CTC, Università della Calabria, Via P. Bucci Cubo 14C, Arcavacata di Rende (CS) – 87036, Italy |
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| Abstract: | The dynamics of a nanowire immersed in a nematic liquid crystal sandwiched between two parallel plates are studied by applying an equivalent capacitance approach used in electrostatics. A lower cut-off eigenfrequency for the oscillation of the nanowire is found and the lighter the mass, the smaller the critical cell separation at which the cut-off frequency occurs is needed. A simulation of the dynamical process of the metal wires shows that the relaxation time is proportional to η/m in the small mass region. |
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