Director fluctuations in nematic liquid crystals are readily analyzed in terms of the normal modes of the director field. In this paper, we examine the dynamics of fluctuations in the radial director field of a spherical nematic droplet in terms of its normal modes. We find independent twist-bend and splay-bend modes and consider thermal excitations. The results may be useful for understanding light scattering by polymer dispersed liquid crystals.
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Kelly et al. (1997) studied this question.
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