Fluids of strongly interacting dipoles: Monte Carlo sampling using Tsallis statistics

B.j Costa Cabral

Physica A: Statistical Mechanics and its Applications, 2001, vol. 295, issue 1, 234-241

Abstract: Monte Carlo simulations of dipolar hard-sphere fluids in a generalized ensemble based on the physical realisation of Tsallis probabilities are reported. The new algorithm leads to a significantly better sampling than the standard Monte Carlo method. At very low densities, when the dipolar system is characterized by the presence of polymeric chains of head-to-tail aligned dipoles, simulations with q>1 may exhibit a better convergence to equilibrium. The improved sampling can be explained by the use in the generalized ensemble of an effective dipolar potential with a q-dependent anisotropy.

Keywords: Dipolar fluids; Monte Carlo; Tsallis statistics (search for similar items in EconPapers)
Date: 2001
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:295:y:2001:i:1:p:234-241

DOI: 10.1016/S0378-4371(01)00080-2

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