Dislocations and Disclinations in Smectic Systems
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The dislocation theory of melting, revived and extended “by R.M. Cotterill1, has, combined with renormalization theory, been the basis for an intense recent development in the description of phase transitions, notably in the work of J.M. Kosterlitz and D.J. Thouless on the xy-model, and its elaboration by B.I. Halperin and D.R. Nelson-3. The variety of order in liquid crystals, especially in the topological sense, makes these systems interesting in several respects, regarding phase transitions and involved defects, as well as regarding the general physical behaviour of low-dimensional systems.
KeywordsLiquid Crystal Burger Vector Vortex Line Dislocation Line Vortex Pair
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