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

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  • Costa Cabral, B.J

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.

Suggested Citation

  • Costa Cabral, B.J, 2001. "Fluids of strongly interacting dipoles: Monte Carlo sampling using Tsallis statistics," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 295(1), pages 234-241.
    • Handle: RePEc:eee:phsmap:v:295:y:2001:i:1:p:234-241
    DOI: 10.1016/S0378-4371(01)00080-2
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