一维非相互作用vortex体系的经典和量子蠕变行为的特性  

STUDY THE GENERAL FEATURE OF QUANTUM AND CLASSICAL CREEP OF THE NON INTERACTIVE VORTEX SYSTEM IN ONE DIMENSION

作　　者：刘刚[1] 韩汝珊[1] 

机构地区：[1]北京大学物理系,北京100871

出　　处：《低温物理学报》1999年第5期355-358,共4页Low Temperature Physical Letters

摘　　要：本文在未考虑ｖｏｒｔｅｘ 之间相互作用的情况下，分别用随机方程和路径积分方法研究ｖｏｒｔｅｘ 体系的经典蠕变和量子蠕变行为．给出了在这两种情况下受外力驱动的磁通运动速率，以及它与外加驱动力、钉扎力、粘滞系数的关系．分析显示。We study the classical and quantum creep phenomena in non interactive vortex system by using stochastic equation and path integral methods respectively. The vortices′ velocity and it′s relation with external force,pinning force and damping coefficient are given. Base on these analysis ,it is clear that the curative of pinning potential and the coupling among them can also give influence to creep.

关 键 词：超导体 vortex体系 经典蠕变 量子蠕变 

分 类 号：TM260.14[一般工业技术—材料科学与工程]