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物理学报. 1991, 40(9): 1525-1532.
doi: 10.7498/aps.40.1525.
自旋S=1淬灭键稀释蜂窝格子伊辛模型
- 收稿日期: 1990-11-08
- 刊出日期: 2005-06-28
摘要: 本文提出一种新的缀饰方法,将交换作用参数处在子空间exp(K)cosh(J)=1的自旋S=1淬灭键稀释伊辛模型映象到混合自旋淬灭座稀释缀饰格子系统。对此混合自旋缀饰系统,应用退火模型近似求得自旋S=1淬灭键稀释蜂窝格子伊辛系统的临界温度、磁化强度与键浓度之间的解析关系。
English Abstract
A SPIN-ONE QUENCHED BOND RANDOMLY DILUTED IS1NG MODEL ON A HONEYCOMB LATTICE
- Received Date:
08 November 1990
- Published Online:
28 June 2005
Abstract: A new decoration method is proposed which can achieve an exact mapping between the quenched bond randomly diluted spin-1 Ising model on a regular lattice in the subspace: exp(K)cosh (J) =1 and a certain class of mixed-spin quenched site randomly diluted decorated-lattice problem. Using this mapping in conjunction with the annealed model solution for the decorated-lattice problem, we have obtained the approximate results for the quenched bond randomly diluted spin-1 Ising model on the honeycomb lattice. The critical temperature and the magnetization of the diluted system as functions of bond concentration are calculated in detail.
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