Temperature dependence of some superconducting state parameters of a bulk MgB2 in two-band Ginzburg-Landau theory

被引：19

作者：

Askerzade, IN ^{[1
]}

机构：

[1] Ankara Univ, Fac Sci, Dept Phys, TR-06100 Ankara, Turkey

[2] Azerbaijan Natl Acad Sci, Inst Phys, Baku 370143, Azerbaijan

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2003年 / 390卷 / 04期

关键词：

magnesium diboride; two-band superconductivity; Ginzburg-Landau theory;

D O I：

10.1016/S0921-4534(03)01090-6

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Temperature dependences of the coherent length xi(T), London penetration depth lambda(T), critical velocity of Cooper pair v(c)(T), critical current density j(c)(T) and Ginzburg-Landau (GL) parameter kappa(T) = lambda(T)/xi(T) for the bulk superconducting magnesium diboride, MgB2, are studied in the vicinity of T-c by using a two-band GL theory. The results of the calculations are in good agreement with experimental data for bulk MgB2. Comparison of obtained results with single-band GL theory are presented. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：281 / 285

页数：5

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