Orientational Order and Phase Transition in Maier-Saupe Model of Liquid Crystals
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概要
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A model system proposed by Maier and Saupe is treated theoretically by the method of symmetry-breaking potential. The free energy of the system is calculated up to the third-order in inverse temperature as a function of the nematic order parameter S. The first-order phase transition predicted by the Maier-Saupe theory, based on a molecular field approximation, is verified for ordinary cases of molecular configuration, namely, the simple cubic, body-centered cubic and face-centered cubic lattices. The obtained values of transition temperature T_c and S at T_c for simple-cubic lattice are nearly equal to "exact" values calculated by a Monte-Carlo method by Lasher and Lebwohl.
- 社団法人日本物理学会の論文
- 1974-11-15
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