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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2018, Volume 107, Issue 9, Pages 595–603
DOI: https://doi.org/10.7868/S0370274X18090102
(Mi jetpl5567)
 

This article is cited in 8 scientific papers (total in 8 papers)

CONDENSED MATTER

Effects of superaging and percolation crossover on the nonequilibrium critical behavior of the two-dimensional disordered Ising model

V. V. Prudnikov, P. V. Prudnikov, E. A. Pospelov, P. N. Malyarenko

Omsk State University, Omsk, Russia
References:
Abstract: A Monte Carlo study of the specific features of the nonequilibrium critical behavior has been performed for the two-dimensional “pure” and structurally disordered Ising models in the course of their evolution from the low-temperature initial state at spin concentrations $p= 1.0$$0.9$, and $0.8$. It is shown for the first time that the pinning of domain walls by structural defects leads to the anomalously strong slowing down in the evolution of the autocorrelation function characterized by the superaging effect with exponents $\mu=6.25(5)$ and $\mu=6.75(5)$ for the model with the spin concentrations $p=0.9$ and $0.8$, respectively. The pure model exhibits the conventional aging with the exponent $\mu=1$. It is found that the superaging effects in structurally disordered systems lead to vanishing of the limiting fluctuation-dissipation ratio $X^{\infty}$, whereas $X^{\infty}= 0.751(24)$ for the pure model.
Received: 02.04.2018
English version:
Journal of Experimental and Theoretical Physics Letters, 2018, Volume 107, Issue 9, Pages 569–576
DOI: https://doi.org/10.1134/S0021364018090102
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: V. V. Prudnikov, P. V. Prudnikov, E. A. Pospelov, P. N. Malyarenko, “Effects of superaging and percolation crossover on the nonequilibrium critical behavior of the two-dimensional disordered Ising model”, Pis'ma v Zh. Èksper. Teoret. Fiz., 107:9 (2018), 595–603; JETP Letters, 107:9 (2018), 569–576
Citation in format AMSBIB
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\paper Effects of superaging and percolation crossover on the nonequilibrium critical behavior of the two-dimensional disordered Ising model
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  • This publication is cited in the following 8 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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