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Dynamics of orientational fluctuations in a homeotropic Fréedericksz transition under a rotating magnetic field

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We study the problem of the Fréedericksz transition under a rotating magnetic field by using a dynamical model which incorporates thermal fluctuations into the whole set of nematodynamic equations. In contrast to other geometries, nonuniform textures in the plane of the sample do not appear favored. The proper consideration of thermal noise enables us to describe the dynamics of orientational fluctuations both below and above the shifted instability.

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Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevA.38.5360

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Articles publicats en revistes (Ciència dels Materials i Química Física)

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Transformacions de fase (Física estadística)

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Dynamics of orientational fluctuations in a homeotropic Fréedericksz transition under a rotating magnetic field