Frequency dispersion of low-field dynamic hysteresis in (η2)3 model system

被引：1
|
作者：
Zu, HB
Yu, H
Zhang, MF
Han, JC
Liu, JM [1 ]
机构：
[1] Nanjing Univ, Nanjing Natl Lab Microstruct, Nanjing 210093, Peoples R China
[2] Harbin Inst Technol, Ctr Composite Mat & Struct, Harbin 150006, Peoples R China
[3] Chinese Acad Sci, Int Ctr Mat Phys, Shenyang, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 2006年 / 128卷 / 1-3期
基金：
中国国家自然科学基金;
关键词：
dynamic hysteresis; resonance; frequency dispersion; symmetry breaking;
D O I：
10.1016/j.mseb.2005.12.017
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A numerical simulation on dynamic Landau-Ginzburg (eta(2))(3) model system is performed to investigate the dynamic hysteresis and external field-induced phase transitions. The dynamic symmetry breaking of the free energy is discussed. Centro-symmetry-broken hysteresis is found when the external field is low, which is very different from the high-field behaviors of the hysteresis dynamics. A resonant peak and a saddle back of the hysteresis dispersion curve are observed for the low-field case, which may correspond to two oscillating modes and two resonant characteristic times. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：238 / 242
页数：5
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