Quantum Monte Carlo study of low-dimensional magnetic system

被引：4
作者：
Murtazaev, Akai K. [1 ]
Magomedov, Magomed A. [1 ]
机构：
[1] Russian Acad Sci, Inst Phys, Daghestan Sci Ctr, Makhachkala 367003, Russia
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2006年 / 300卷 / 01期
关键词：
Quantum Monte Carlo; XY model; Heisenberg model; Loop algorithm;
D O I：
10.1016/j.jmmm.2005.10.219
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Monte Carlo simulations are performed for the S = 1/2 XY and ferro- and antiferromagnetic Heisenberg model in two dimensions using the loop algorithm. Thermodynamic properties of all these models are investigated in wide temperature range. The energy, specific heat, susceptibility and other parameters are given as function of temperature and the Trotter number. The comparison of calculated thermodynamic quantities with theoretical and with experimental data are given. It is shown that our results are in good agreement with them. (C) 2005 Elsevier B.V. All rights reserved.
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页码：E570 / E573
页数：4
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