Nonequilibrium dynamic phase diagram for vortex lattices

被引：335

作者：

Olson, CJ ^{[1
]}

Reichhardt, C ^{[1
]}

Nori, F ^{[1
]}

机构：

[1] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 81卷 / 17期

关键词：

D O I：

10.1103/PhysRevLett.81.3757

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The new dynamic phase diagram for driven vortices with varying lattice softness we present here indicates that, at high driving currents, at least two distinct dynamic phases of flux flow appear depending on the vortex-vortex interaction strength. When the Aux lattice is soft, the vortices flow in independently moving channels with smectic structure. For stiff flux lattices, adjacent channels become locked together, producing crystallinelike order in a coupled channel phase. At the crossover lattice softness between these phases, the system produces a maximum amount of voltage noise. Our results relate spatial order with transport and are in agreement with experiments. [S0031-9007(98)07292-5].

引用

页码：3757 / 3760

页数：4

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