Order parameter and magnetic field of a vortex line pinned at a point defect: Ginzburg-Landau theory

被引：4

作者：

Friesen, M ^{[1
]}

Muzikar, P ^{[1
]}

机构：

[1] Purdue Univ, Dept Phys, W Lafayette, IN 47907 USA

来源：

PHYSICAL REVIEW B | 1998年 / 57卷 / 05期

关键词：

D O I：

10.1103/PhysRevB.57.2709

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Recent theoretical work has derived the correct form of the Ginzburg-Landau differential equations, for the superconducting order parameter and vector potential, in the presence of a small defect. Here, these equations are applied to the case of a single vortex line pinned on such a defect. We develop the coupled set of partial differential equations, and show how to derive analytic solutions for the order parameter and magnetic field perturbations in the region of space near the defect. Certain properties of the unperturbed vortex solution are needed to totally specify our result; these are evaluated numerically, and compared with those deduced from Clem's approximate solution.

引用

页码：2709 / 2712

页数：4