Transient vortex states in Bi2Sr2CaCu2O8+δ crystals

被引：69

作者：

Giller, D ^{[1
]}

Shaulov, A

Tamegai, T

Yeshurun, Y

机构：

[1] Bar Ilan Univ, Inst Superconduct, IL-52900 Ramat Gan, Israel

[2] Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 16期

关键词：

D O I：

10.1103/PhysRevLett.84.3698

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A high temporal resolution magneto-optical system is employed to observe the time evolution of the vortex structure in Bi2Sr2CaCu2O8+delta crystals after a sudden application of a magnetic field. The magneto-optical images reveal dynamic coexistence of two vortex phases: a quasiordered phase in the sample interior and a transient disordered phase near the sample edges. The border between these two phases, marked by an abrupt change in the gradient of the local induction, moves with time. This motion enables tracing the decay of the transient state and the concurrent growth of the thermodynamic vortex phases. The growth rate is sensitive to the location in the field-temperature phase diagram.

引用

页码：3698 / 3701

页数：4

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