Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Salinas, Silvio R. A."'
Publikováno v:
Braz. J. Phys. 53, 73 (2023)
We perform exact Statistical Mechanics calculations for a system of elongated objects (hard needles) that are restricted to translate along a line and rotate within a plane, and that interact via both excluded-volume steric repulsion and harmonic ela
Externí odkaz:
http://arxiv.org/abs/2301.09589
We perform statistical mechanics calculations to analyze the global phase diagram of a fully-connected version of a Maier-Saupe-Zwanzig lattice model with the inclusion of couplings to an elastic strain field. We point out the presence of uniaxial an
Externí odkaz:
http://arxiv.org/abs/1801.00180
Autor:
Henriques, Vera B., Salinas, Silvio R.
The equivalence of thermodynamic results in the canonical and the microcanonical ensembles has been questioned in some calculations for spin models with long-range interactions. We show that these claims of inequivalence are related to an inadequate
Externí odkaz:
http://arxiv.org/abs/1501.04029
Autor:
Liarte, Danilo B., Salinas, Silvio R.
Publikováno v:
J. Stat. Mech. (2015) P02020
We use a simple lattice statistical model to analyze the effects of directional interactions on the phase diagram of a fluid of two-state Janus particles. The problem is formulated in terms of nonlinear recursion relations along the branches of a Cay
Externí odkaz:
http://arxiv.org/abs/1412.8396
Publikováno v:
J. Stat. Mech. (2007) P04009
We investigate a disordered version of a thermodynamic fiber bundle model proposed by Selinger, Wang, Gelbart, and Ben-Shaul a few years ago. For simple forms of disorder, the model is analytically tractable and displays some new features. At either
Externí odkaz:
http://arxiv.org/abs/cond-mat/0611721
Publikováno v:
Phys. Rev. B 57 (1998) 8370-8374
We study a two-sublattice Ising metamagnet with nearest and next-nearest-neighbor interactions, in both uniform and random fields. Using a mean-field approximation, we show that the qualitative features of the phase diagrams are significantly depende
Externí odkaz:
http://arxiv.org/abs/cond-mat/9901187
Akademický článek
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Autor:
Tsai, Shan-Ho, Salinas, Silvio R. A.
Publikováno v:
Braz. J. Phys. 28, 58 (1998)
Fourth-order cumulants of physical quantities have been used to characterize the nature of a phase transition. In this paper we report some Monte Carlo simulations to illustrate the behavior of fourth-order cumulants of magnetization and energy acros
Externí odkaz:
http://arxiv.org/abs/cond-mat/9810412
Akademický článek
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