Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Buendia, Gloria M."'
We perform a numerical study of the kinetic Blume-Capel (BC) model to find if it exhibits the metamagnetic anomalies previously observed in the kinetic Ising model for supercritical periods. We employ a heat-bath Monte Carlo (MC) algorithm on a squar
Externí odkaz:
http://arxiv.org/abs/2408.17199
Publikováno v:
Phys. Rev. E 108, 024122 (2023). 13 pages. Open Access
We present a detailed study by Monte Carlo simulations and finite-size scaling analysis of the phase diagram and ordered bulk phases for the three-dimensional Blume-Capel antiferromagnet in the space of temperature and magnetic and crystal fields (or
Externí odkaz:
http://arxiv.org/abs/2304.12692
Fluctuations in a model ferromagnetic film driven by a slowly oscillating field with a constant bias
Autor:
Buendia, Gloria M., Rikvold, Per Arne
Publikováno v:
Phys. Rev. B 96, 134306 (2017)
We present a numerical and theoretical study that supports and explains recent experimental results on anomalous magnetization fluctuations of a uniaxial ferromagnetic film in its low-temperature phase, which is forced by an oscillating field above t
Externí odkaz:
http://arxiv.org/abs/1707.08614
Autor:
Buendia, Gloria M., Rikvold, Per Arne
Publikováno v:
Phys. Rev. E 78, 051108 (2008) (7 pages)
We study the dynamical response of a two-dimensional Ising model subject to a square-wave oscillating external field. In contrast to earlier studies, the system evolves under a so-called soft Glauber dynamic [P.A. Rikvold and M. Kolesik, J. Phys. A:
Externí odkaz:
http://arxiv.org/abs/0809.0523
Publikováno v:
Physical Review E 71, 016120 (2005)
We present a kinetic Monte Carlo study of the dynamical response of a Ziff-Gulari-Barshad model for CO oxidation with CO desorption to periodic variation of the CO presure. We use a square-wave periodic pressure variation with parameters that can be
Externí odkaz:
http://arxiv.org/abs/cond-mat/0408070
Publikováno v:
J. Chem. Phys. 121, 4193-4202 (2004).
Using both analytical and simulational methods, we study low-temperature nucleation rates in kinetic Ising lattice-gas models that evolve under two different Arrhenius dynamics that interpose between the Ising states a transition state representing a
Externí odkaz:
http://arxiv.org/abs/cond-mat/0402537
Publikováno v:
Phys. Rev. Lett. 92, 015701 (2004).
We study low-temperature nucleation in kinetic Ising models by analytical and simulational methods, confirming the general result for the average metastable lifetime, = A*exp(beta*Gamma) (beta = 1/kT) [E. Jordao Neves and R.H. Schonmann, Commun
Externí odkaz:
http://arxiv.org/abs/cond-mat/0307595
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