Landau–de Gennes theory of biaxial nematics reexamined
نویسندگان
چکیده
منابع مشابه
Landau-de Gennes theory of biaxial nematics reexamined.
Recent experiments report that the long-looked-for thermotropic biaxial nematic phase has been finally detected in some thermotropic liquid crystalline systems. Inspired by these experimental observations, we concentrate on some elementary theoretical issues concerned with the classical sixth-order Landau-de Gennes free energy expansion in terms of the symmetric and traceless tensor order param...
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In the Landau–de Gennes theory of liquid crystals, the propensities for alignments of molecules are represented at each point of the fluid by an element Q of the vector space S0 of 3 × 3 real symmetric traceless matrices, or Q-tensors. According to Longa and Trebin [25], a biaxial nematic system is called soft biaxial if the tensor order parameter Q satisfies the constraint tr(Q) = const. After...
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ژورنال
عنوان ژورنال: Physical Review E
سال: 2008
ISSN: 1539-3755,1550-2376
DOI: 10.1103/physreve.78.011704