Dynamical effects in quantum droplet model of Ising spin glass in a transverse field

被引:3
作者
Busiello, G [1 ]
Saburova, RV
Sushkova, VG
机构
[1] Univ Salerno, Dipartimento Fis, I-84081 Baronissi, Italy
[2] INFM, I-84081 Salerno, Italy
[3] Kazan State Power Energy Univ, Kazan, Russia
关键词
spin glasses; phase transition;
D O I
10.1016/S0038-1098(01)00267-8
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The equilibrium behaviour of linear dynamical susceptibility is investigated in terms of quantum Ising spin glass droplet model. The imaginary part of linear ac susceptibility chi "(omega, T) as function of temperature T and frequency of external ac field to omega is analytically calculated on the basis of the linear dynamical response theory. It is found that such dependence of chi "(omega, T) shows a glassy behaviour. A qualitative agreement with experimental data, for example, in quantum dipole magnet LiHoxY1-xF4 and proton glass is found. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:545 / 548
页数:4
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