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Title: Origin of the universality of long-time thermal relaxations in hysteretic systems

Abstract

It is demonstrated that asymptotic temporal behavior of thermal noise is responsible for the universality of long-time thermal relaxations in hysteretic systems. By using the Preisach hysteresis model and by assuming stationary Gaussian noise, the {radical}(ln t) intermediate asymptotics for the thermal relaxations is derived along with a simple expression for the viscosity coefficient in terms of temperature and differential susceptibility. Experimental data supporting these analytical results are presented. (c) 2000 American Institute of Physics.

Authors:
 [1];  [2];  [2]
  1. Mathematics Department, University of Maryland, College Park, Maryland 20742 (United States)
  2. Department of Electrical and Computer Engineering, University of Maryland, College Park, Maryland 20742 (United States)
Publication Date:
OSTI Identifier:
20216213
Resource Type:
Journal Article
Journal Name:
Journal of Applied Physics
Additional Journal Information:
Journal Volume: 87; Journal Issue: 9; Other Information: PBD: 1 May 2000; Journal ID: ISSN 0021-8979
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; COBALT ALLOYS; CHROMIUM ALLOYS; PLATINUM ALLOYS; HYSTERESIS; MAGNETIZATION; NOISE; RELAXATION; MAGNETIC SUSCEPTIBILITY; EXPERIMENTAL DATA; THEORETICAL DATA

Citation Formats

Freidlin, M. I., Mayergoyz, I. D., and Huang, M. W. Origin of the universality of long-time thermal relaxations in hysteretic systems. United States: N. p., 2000. Web. doi:10.1063/1.373160.
Freidlin, M. I., Mayergoyz, I. D., & Huang, M. W. Origin of the universality of long-time thermal relaxations in hysteretic systems. United States. doi:10.1063/1.373160.
Freidlin, M. I., Mayergoyz, I. D., and Huang, M. W. Mon . "Origin of the universality of long-time thermal relaxations in hysteretic systems". United States. doi:10.1063/1.373160.
@article{osti_20216213,
title = {Origin of the universality of long-time thermal relaxations in hysteretic systems},
author = {Freidlin, M. I. and Mayergoyz, I. D. and Huang, M. W.},
abstractNote = {It is demonstrated that asymptotic temporal behavior of thermal noise is responsible for the universality of long-time thermal relaxations in hysteretic systems. By using the Preisach hysteresis model and by assuming stationary Gaussian noise, the {radical}(ln t) intermediate asymptotics for the thermal relaxations is derived along with a simple expression for the viscosity coefficient in terms of temperature and differential susceptibility. Experimental data supporting these analytical results are presented. (c) 2000 American Institute of Physics.},
doi = {10.1063/1.373160},
journal = {Journal of Applied Physics},
issn = {0021-8979},
number = 9,
volume = 87,
place = {United States},
year = {2000},
month = {5}
}