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

页码：6250 / 6255

页数：6

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