Current-voltage characteristics in a mixed state of high Tc superconductor

被引：0

作者：

Kiss, T ^{[1
]}

Nakamura, T

Hasegawa, K

Inoue, M

Takeo, M

Irie, F

Yamafuji, K

机构：

[1] Kyushu Univ, Grad Sch Inform Sci & Elect Engn, Fukuoka 81281, Japan

[2] Kyushu Elect Power Co Inc, Fukuoka 815, Japan

来源：

APPLIED SUPERCONDUCTIVITY 1997, VOLS 1 AND 2: VOL 1: SMALL SCALE AND ELECTRONIC APPLICATIONS; VOL 2: LARGE SCALE AND POWER APPLICATIONS | 1997年 / 158期

关键词：

D O I：

暂无

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Depinning properties in a random pin medium under the influence of thermal agitation have been studied by the Monte-Carlo method. It has been shown that the depinning probability is scaled on a power function in the vicinity of the depinning threshold, that is the minimum value of critical current density. The simulation results have been compared with the measurements in a Y1Ba2Cu3O7-delta thin film, then the scaling based on the statistic feature of critical current density is confirmed. The scaling is consistent with that of the well-known glass-liquid transition within the measured electric field region. A new analytical expression describing the current-voltage curves has also been derived then the origin of the extremely wide scaling regime is discussed.

引用

页码：1121 / 1124

页数：4

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