Phase Diagrams of a Ferrimagnetic Superlattice in a Transverse Field: a Quantum Monte Carlo Simulation

被引：4
|
作者：
Feraoun, A. [1 ]
Zaim, A. [1 ]
Kerouad, M. [1 ]
机构：
[1] Univ Moulay Ismail, Lab Phys Mat & Modelisat Syst LP2MS, Unite Associee CNRST URAC 08, Fac Sci, BP 11201, Meknes, Zitoune, Morocco
来源：
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2018年 / 31卷 / 01期
关键词：
Ferromagnetic; Transverse Ising model; Quantum Monte Carlo simulation; Phase diagrams; Compensation behavior; FERROELECTRIC THIN-FILMS; SYSTEMATIC APPROXIMANTS; MODEL;
D O I：
10.1007/s10948-017-4176-4
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this work, quantum Monte Carlo simulation based on the Trotter-Suzuki formalism has been used to study the phase diagrams of a superlattice formed by two ferromagnetic slabs A and B with an antiferromagnetic interfacial coupling in a Transverse field. The effect of the transverse field Omega, the exchange coupling J (A) , and the thickness of the two slabs A and B on the phase diagrams of the system have been investigated. A number of interesting phenomena have been found. In particular, the superlattice can exhibit a compensation temperature T (k) or a compensation transverse field Omega (k) for certain ranges of the exchange interactions. The dependence of the critical and compensation behaviors on the slabs thicknesses has been also discussed.
引用
收藏
页码：135 / 139
页数：5
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