Static and dynamic vortex phases in YBa2Cu3O7-delta

被引：93

作者：

Fendrich, JA ^{[1
]}

Welp, U ^{[1
]}

Kwok, WK ^{[1
]}

Koshelev, AE ^{[1
]}

Crabtree, GW ^{[1
]}

Veal, BW ^{[1
]}

机构：

[1] ARGONNE NATL LAB,DIV SCI MAT,ARGONNE,IL 60439

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 77卷 / 10期

关键词：

D O I：

10.1103/PhysRevLett.77.2073

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Simultaneous magnetization, resistivity, and I-V measurements on YBa2Cu3O7-delta show the relationship of the thermodynamic and dynamic behavior near the vortex lattice melting line. We find a coexistence region of solid and liquid at melting, with a first order magnetization jump which is independent of the vortex velocity. Sudden jumps and time dependent hysteresis of the I-V curve in the vortex solid phase are interpreted as a relaxation-pinning effect.

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页码：2073 / 2076

页数：4

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