Numerical study of the spin-1 Ashkin-Teller model

被引：14
|
作者：
Badehdah, M [1 ]
Bekhechi, S [1 ]
Benyoussef, A [1 ]
Ettaki, B [1 ]
机构：
[1] Fac Sci Rabat, Lab Magnetisme & Phys Hautes Energies, Dept Phys, Rabat, Morocco
来源：
PHYSICAL REVIEW B | 1999年 / 59卷 / 09期
关键词：
D O I：
10.1103/PhysRevB.59.6250
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Two nonperturbative methods by means of the transfer-matrix finite-size-scaling and Monte Carlo simulations are used to investigate the spin-1 Ashkin-Teller model (ATM). We have obtained rich phase diagrams with first- and second-order phase transitions with several multicritical points of higher order. Also this model exhibits a partially ordered phase PO2 which does not exist in the spin-1/2 Ashkin-Teller model (ATM). Finally, the critical behavior of this model is discussed. [S0163-1829(99)00609-8).
引用
收藏
页码：6250 / 6255
页数：6
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