Theoretical study on vortex glass-liquid transition in pinned superconductors

被引：0
|
作者：
Matsushita, T
Kiss, T
机构：
[1] Kyushu Inst Technol, Fac Comp Sci & Syst Engn, Iizuka, Fukuoka 8208502, Japan
[2] Kyushu Univ, Grad Sch Informat Sci & Elect Engn, Higashi Ku, Fukuoka 8128581, Japan
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 1999年 / 9卷 / 02期
关键词：
D O I：
10.1109/77.785026
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The vortex glass-liquid transition in pinned superconductors is studied theoretically from the viewpoint of thermal depinning of flux lines. It is clarified that this depinning phenomenon is a transition of the second order. This result is consistent with the fact that the scaling of the current-voltage curves is well explained by the theoretical model of flux creep and flow. It is also found that the degree of disorder of the flux line lattice decreases abruptly with elevating temperature above the transition temperature. This agrees qualitatively with the observation of flux lines using a Lorentz microscope.
引用
收藏
页码：2629 / 2634
页数：6
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