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二维各向异性三角Ising模型的近似计算
Approximate Calculation for the Two-Dimensional Anisotropic Triangular Ising Model
【摘要】 本文应用重正化群变换理论中的Nauenberg,M.and Nienhuis,B.方法对二维各向异性三角Ising模型进行了计算,得出了三个相互作用常数不动点的近似关系,并求得了同精确值相接近的临界指数.
【Abstract】 In this paper, the renormalization group method, based on the work of M.Nauenberg and B.Nienhuis, is used to treat two-dimensional anisotropic triangular Ising system. An approximate solution for the fixed points of the three coupling constants and the critical exponent YT are found in good agreement with the exact solution.
【关键词】 重正化群变换;
临界指数;
不动点;
相变;
【Key words】 renormalization group transformation; critical exponent; fixed point; phase transition;
【Key words】 renormalization group transformation; critical exponent; fixed point; phase transition;
- 【文献出处】 杭州大学学报(自然科学版) ,JOURNAL OF HANGZHOU UNIVERSITY(NATURE SCIENCE) , 编辑部邮箱 ,1990年02期
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