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Electric Field Effects Near Critical Points

Akira Onuki

cond-mat.softarXiv:cond-mat/0309650

Abstract

We present a general Ginzburg-Landau theory of electrostatic interactions and electric field effects for the order parameter, the polarization, and the charge density. Electric field effects are then investigated in near-critical fluids and liquid crystals. Some new predictions are given on the liquid-liquid phase transition in polar binary mixtures with a small fraction of ions and the deformation of the liquid crystal order around a charged particle.

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