The three-dimensional, three-state Potts model in an external field

被引：57

作者：

Karsch, F ^{[1
]}

Stickan, S ^{[1
]}

机构：

[1] Univ Bielefeld, Fak Phys, D-33615 Bielefeld, Germany

来源：

PHYSICS LETTERS B | 2000年 / 488卷 / 3-4期

关键词：

D O I：

10.1016/S0370-2693(00)00902-3

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We analyze the critical behaviour of the 3-d, 3-state Potts model in the presence of an external ordering field. From a finite size scaling analysis on lattices of size up to 70(3) we determine the critical endpoint of the line of first order phase transitions as (beta(c),h(c)) = (0.54938(2),0.000775(10)). We determine the relevant temperature like and symmetry breaking directions at this second order critical point and explicitly verify that it is in the universality class of the 3-d Ising model. (C) 2000 Elsevier Science B.V. All rights reserved.

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页码：319 / 325

页数：7

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