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The magnetic states and Labyrinth ordering in 2D lattices of ising spins with RKKY Interaction

International Journal of Modeling, Simulation, and Scientific Computing 2015年第2期6卷 40-48页

作者： Konstantin Nefedev Valery Belokon Vitalii Kapitan olga dyachenko The Department of Computer System The School of Natural Sciences Far Eastern Federal University 8Sukhanova St.690950VladivostokRussian Federation Institute of Applied Mathematics Far Eastern Branch Russian Academy of Science 7 Radio St. 690041VladivostokRussian Federation The Department of Theoretical and Experimental Physics The School of Natural Sciences Far Eastern Federal University 8Sukhanova St.690950VladivostokRussian Federation The Department of Physics of Low-Dimensional Structures The School of Natural Sciences Far Eastern Federal University 8Sukhanova St.690950VladivostokRussian Federation The Department of General Physics The School of Natural Sciences Far Eastern Federal University 8Sukhanova St.690950VladivostokRussian Federation

The numerical simulation of 2D simple square lattice of Ising superspins,that interact via the Ruderman–Kittel–Kasuya–Yosida(RKKY)exchange interaction is *** is found,that at low temperatures in the researched systems predominantly realized labyrinth domain *** modeled image of magnetization distribution does not coincide with the image of energy *** loops of the samples and labyrinth domain structures similarly obtained by Monte Carlo method,are also observed in physical experiments.

关键词： Ising model long-range interaction magnetic states Monte Carlo simulation

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Convective Instability and Appearance of Structured Flows for Diffusion in Multicomponent Gas Mixtures

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Transactions of Nanjing University of Aeronautics and Astronautics 2014年第2期31卷 142-146页

作者： Vladimir N. Kossov~ olga V. Fedorenko Yelena A. dyachenko Kazakh National Pedagogical University Almaty 050100 Republic of Kazakhstan Institute of Experimental and Theoretical Physics al-Farabi Kazakh National University Almaty 050038 Republic of Kazakhstan Kazakh Academy of Transport and Communications Names after M. Tynyshpayev Almaty 050012 Republic of Kazakhstan

The main objective of this article is to investigate the behavior of gaseous systems with two and more independent gradients or thermodynamic forces exhibiting complicated behavior,when the convective flows *** existence of structural formations in these systems is shown by the schlieren method and the fast-response *** linear analysis of stability can explain reasons of the appearance of convective instability in multicomponent gas mixtures.

关键词： diffusion instability of mechanical equilibrium theory of stability partial Rayleigh numbers

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