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Назив: Effects of external noise on threshold-induced correlations in ferromagnetic systems
Аутори: Jovković D.
Janicevic, Sanja
Mijatović B.
Laurson, Lasse
Spasojević D.
Датум издавања: 2021
Сажетак: In the present paper we investigate the impact of the external noise and detection threshold level on the simulation data for the systems that evolve through metastable states. As a representative model of such systems we chose the nonequilibrium athermal random-field Ising model with two types of the external noise, uniform white noise and Gaussian white noise with various different standard deviations, imposed on the original response signal obtained in model simulations. We applied a wide range of detection threshold levels in analysis of the signal and show how these quantities affect the values of exponent γS/T (describing the scaling of the average avalanche size with duration), the shift of waiting time between the avalanches, and finally the collapses of the waiting time distributions. The results are obtained via extensive numerical simulations on the equilateral three-dimensional cubic lattices of various sizes and disorders.
URI: https://scidar.kg.ac.rs/handle/123456789/13611
Тип: article
DOI: 10.1103/PhysRevE.103.062114
ISSN: 2470-0045
SCOPUS: 2-s2.0-85108230885
Налази се у колекцијама:Faculty of Science, Kragujevac

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