THE HYSTERESIS OF MAGNETIZATION IN THE GENERALIZED CRITICAL-STATE MODEL - LOW-FIELD APPROXIMATION

被引：8
|
作者：
CHEN, JL
YANG, TJ
机构：
[1] NATL CHIAO TUNG UNIV, DEPT ELECTROPHYS, HSINCHU, TAIWAN
[2] NATL CHIAO TUNG UNIV, INST ELECTROOPT ENGN, HSINCHU, TAIWAN
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 1994年 / 224卷 / 3-4期
关键词：
D O I：
10.1016/0921-4534(94)90271-2
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The generalized critical-state model is extended to the low-field case by a new low-field approximation. We calculate the hysteresis loops of magnetization for H(max) < H* and H(max) > H*. We obtain new behaviors of M(H) which are different from the results derived from the Bean and Kim models. Our theory qualitatively agrees with the experimental results for high-T(c) superconductors. Some important macroscopic parameters may be obtained by fitting our theory with the experimental data.
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页码：345 / 356
页数：12
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