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Wang-Landau Monte Carlo simulation of isotropic-nematic transition in liquid crystals | | D Jayasri
; V S S Sastry
; K P N Murthy
; | | Date: |
31 Aug 2005 | | Journal: | Phys Rev E, 72 (3 Pt 2), 036702 | | Abstract: | Wang and Landau proposed recently, a simple and flexible non-Boltzmann Monte Carlo method for estimating the density of states, from which the macroscopic properties of a closed system can be calculated. They demonstrated their algorithm by considering systems with discrete energy spectrum. We find that the Wang-Landau algorithm does not perform well when the system has continuous energy spectrum. We propose in this paper modifications to the algorithm and demonstrate their performance on a lattice model of liquid crystalline system (with Lebwohl-Lasher interaction having continuously varying energy), exhibiting transition from high temperature isotropic to low temperature nematic phase. | | Source: | PubMed, pmid16241609 | | Other source: | [GID 774997] cond-mat/0505284 | | Services: | Forum | Review | Favorites | |
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