Nonequilibrium system on a restricted scale-free network

نویسندگان

چکیده

The nonequilibrium Ising model on a restricted scale-free network has been studied with one- and two-spin flip competing dynamics employing Monte Carlo simulations. present in the system can be defined by probability q which one-spin process simulate contact heat bath at given temperature T, (1−q) mimics subjected to an external flux of energy into it. is described power-law degree distribution form P(k)∼k−α, restriction made fixing maximum, km, minimum, k0, for whole size. This keeps finite second fourth moment distribution, allowing us obtain critical point any value α. For these points, we have calculated thermodynamic quantities system, such as, total mNF staggered mNAF magnetizations per spin, susceptibility χN, reduced fourth-order Binder cumulant UN, several values lattice size N exponent 1≤α≤5. Therefore, phase diagram was built self-organization phenomena observed from transitions between antiferromagnetic AF paramagnetic P, P ferromagnetic F phases. Using finite-size scaling theory, also obtained exponents mean-field behavior observed, exhibiting same universality class equilibrium out

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ژورنال

عنوان ژورنال: Physica D: Nonlinear Phenomena

سال: 2023

ISSN: ['1872-8022', '0167-2789']

DOI: https://doi.org/10.1016/j.physa.2023.129111