Hysteresis in an ising chain with quenched random disorder

被引：3
|
作者：
Shukla, P
机构：
[1] Yukawa Inst. for Theoretical Physics, Kyoto University
[2] Physics Department, North Eastern Hill University
来源：
PROGRESS OF THEORETICAL PHYSICS | 1996年 / 96卷 / 01期
关键词：
D O I：
10.1143/PTP.96.69
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A probabilistic method is used to obtain an exact analytic expression for the zero-temperature and zero-frequency limit of the hysteresis loop in a one-dimensional Ising model with an arbitrary continuous distribution of quenched random fields. The solution illustrates important differences between bounded and unbounded probability distributions of the quenched fields. The significance of this result is discussed in the wider context of the Barkhausen noise observed in experiments as well as numerical simulations of three-dimensional systems.
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收藏
页码：69 / 80
页数：12
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