Viscoelastic depinning of driven systems: Mean-field plastic scallops

被引：45

作者：

Marchetti, MC ^{[1
]}

Middleton, AA ^{[1
]}

Prellberg, T ^{[1
]}

机构：

[1] Syracuse Univ, Dept Phys, Syracuse, NY 13244 USA

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 85卷 / 05期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevLett.85.1104

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have investigated the mean-field dynamics of an overdamped viscoelastic medium driven through quenched disorder. The model allows for the coexistence of pinned and sliding regions and can exhibit continuous elastic depinning or first-order hysteretic depinning. Numerical simulations indicate mean-field instabilities that correspond to macroscopic stick-slip events and lead to premature switching. The model describes the elastic and plastic dynamics of driven vortex arrays in superconductors and other extended disordered systems.

引用

页码：1104 / 1107

页数：4

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