Diffusion of testing particles in turbulent nematic liquid crystals |
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Authors: | C Versace V Carbone N Scaramuzza D Lucchetta |
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Institution: | (1) Dipartimento di Fisica, Università della Calabria, 87100 Cosenza, Italy;(2) Unità di Cosenza, INFM, Cosenza, Italy |
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Abstract: | Summary We report on the diffusive motion of dielectric testing particles floating in a turbulent nematic fluid under the effect of
an external oscillating electric field. The particle is viewed as a tracer of the underlying turbulence. We calculate the
diffusion coefficients and the probability distribution of the particle displacements, thus showing that the motion of the
particle is a classical Brownian diffusion.
Paper presented at the I International Conference on Scaling Concepts and Complex Fluids, Copanello, Italy, July 4–8, 1994. |
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Keywords: | Liquid crystals |
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