Monte Carlo simulation of size effects on thermal conductivity in a two-dimensional Ising system

M. Neek-Amal, R. Moussavi and H.R. Sepangi

Physica A: Statistical Mechanics and its Applications, 2006, vol. 371, issue 2, 424-432

Abstract: A model based on microcanonical Monte Carlo method is used to study the application of the temperature gradient along a two-dimensional (2D) Ising system. We estimate the system size effects on thermal conductivity, K, for a nano-scale Ising layer with variable size. It is shown that K scales with size as K=cLα where α varies with temperature. Both the Metropolis and Creutz algorithms have been used to establish the temperature gradient. Further results show that the average demon energy in the presence of an external magnetic field is zero for low temperatures.

Keywords: Monte Carlo simulation; Ising system; Thermal conductivity (search for similar items in EconPapers)
Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:371:y:2006:i:2:p:424-432

DOI: 10.1016/j.physa.2006.03.026

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