Monte Carlo simulation of magnetic systems in the Tsallis statistics

被引：23
|
作者：
Lima, AR
Martins, JSS
Penna, TJP
机构：
[1] Univ Fed Fluminense, Inst Fis, BR-24210340 Niteroi, RJ, Brazil
[2] Univ Colorado, Colorado Ctr Chaos & Complex, Boulder, CO 80309 USA
[3] Boston Univ, Ctr Polymer Studies, Boston, MA 02215 USA
来源：
PHYSICA A | 1999年 / 268卷 / 3-4期
关键词：
generalized thermodynamics; Tsallis statistics; Monte Carlo simulations;
D O I：
10.1016/S0378-4371(99)00044-8
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We apply the broad histogram method to an Ising system in the context of the recently reformulated Generalized Thermostatistics, and we claim it to be a very efficient simulation tool for this non-extensive statistics. Results are obtained for the nearest-neighbour version of the Ising model for a range of values of the q parameter of Generalized Thermostatistics, We found an evidence that the 2D-Ising model does not undergo, in the thermodynamical limit, phase transitions at finite temperatures except for the extensive case q = 1. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：553 / 566
页数：14
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