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Conductive vs. dielectric defects and anisotropic vs. isotropic turbulence in liquid crystals - electric power fluctuation measurements

Tibor Toth-Katona ,James T. Gleeson

Department of Physics, Kent State University, Kent, OH 44240

Fluctuations of the electric power in electroconvection (EHC) of liquid crystals are reported in both the conductive and the dielectric regime of convection. The amplitude and the frequency of the fluctuations, as well as the probability density functions have been compared in these two regimes and substantial differences have been found both in defect turbulence of EHC and at the DSM1 $\\rightarrow$ DSM2 transition.

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