Binary alloy in random field: Phase diagrams

被引：5
|
作者：
Karakoyun, Gulsen [1 ]
Akinci, Umit [2 ]
机构：
[1] Dokuz Eylul Univ, Grad Sch Nat & Appl Sci, TR-35160 Izmir, Turkey
[2] Dokuz Eylul Univ, Dept Phys, TR-35160 Izmir, Turkey
来源：
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2018年 / 510卷
关键词：
Bimodal random field; Binary alloy; Effective field theory; TRANSVERSE ISING-MODEL; RANDOM LONGITUDINAL-FIELD; BLUME-CAPEL MODEL; THERMODYNAMICAL PROPERTIES; TRICRITICAL BEHAVIOR; HYSTERESIS; TRANSITION; SYSTEMS; STATE;
D O I：
10.1016/j.physa.2018.07.003
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Critical behavior of the binary alloy represented by the formula A(c)B(1-c), under the effect of bimodal random field distribution has been investigated within the framework of effective field theory. The system consists of type A atoms (spin-1/2) with concentration c and type B atoms (spin-1) with concentration 1 - c. Special attention has been paid on the evolution of the phase diagrams with concentration. Besides, by inspecting the behavior of the order parameter, some ideas have been given about the first and second order transitions under several concentrations and randomness. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：407 / 414
页数：8
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