Ising-like phase transition in the square lattice fully frustrated XY model with nearest next neighbor couplings(考虑次近邻相互作用的正方形点阵完全阻挫XY模型的Ising型相变)

利用有限尺寸标度分析方法,研究了考虑次近邻相互作用的正方点阵完全阻挫XY模型的Ising型相变现象.结果表明对于次近邻耦合系数x=0.5的情况,系统存在Ising型相变,临界温度Tc=0.404 3±0.000 5,临界指数v=0.80±0.05.

Bibliographic Details
Published in:Zhejiang Daxue xuebao. Lixue ban
Main Authors: RENQing-bao(任清褒), LUOMeng-bo(罗孟波), CHENQing-hu(陈庆虎)
Format: Article
Language:Chinese
Published: Zhejiang University Press 2003-07-01
Subjects:
Online Access:https://doi.org/zjup/1008-9497.2003.30.4.401-404