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https://physrep.ff.bg.ac.rs/handle/123456789/535
Title: | Crossover from three-dimensional to two-dimensional systems in the nonequilibrium zero-temperature random-field Ising model | Authors: | Spasojević, Djordje Mijatović, Svetislav Navas-Portella, Víctor Vives, Eduard |
Issue Date: | Jan-2018 | Journal: | Physical review. E | Abstract: | We present extensive numerical studies of the crossover from three-dimensional to two-dimensional systems in the nonequilibrium zero-temperature random-field Ising model with metastable dynamics. Bivariate finite-size scaling hypotheses are presented for systems with sizes L×L×l which explain the size-driven critical crossover from two dimensions (l=const, L→∞) to three dimensions (l∝L→∞). A model of effective critical disorder R_{c}^{eff}(l,L) with a unique fitting parameter and no free parameters in the R_{c}^{eff}(l,L→∞) limit is proposed, together with expressions for the scaling of avalanche distributions bringing important implications for related experimental data analysis, especially in the case of thin three-dimensional systems. |
URI: | https://physrep.ff.bg.ac.rs/handle/123456789/535 | ISSN: | 2470-0045 | DOI: | 10.1103/PhysRevE.97.012109 |
Appears in Collections: | Journal Article |
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