d-Wave Bose-Einstein condensation and the London penetration depth in superconducting cuprates

被引：3

作者：

Alexandrov, AS ^{[1
]}

Giles, RT ^{[1
]}

机构：

[1] Loughborough Univ Technol, Dept Phys, Loughborough LE11 3TU, Leics, England

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 1999年 / 325卷 / 1-2期

关键词：

d-Wave; Bose-Einstein condensation; London penetration depth;

D O I：

10.1016/S0921-4534(99)00511-0

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

As has been recently established, bipolaron formation leads to a d-wave Bose-Einstein condensate in cuprates owing to the bipolaron (center-of-mass) energy dispersion rather than to a particular pairing interaction. We show that the unusual low-temperature-dependence of the magnetic field penetration depth lambda(T) in cuprates can be explained within the bipolaron scenario as well. Both linear positive and negative slopes of lambda(T) occur depending on the random field profile and amount of disorder. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：35 / 40

页数：6

共 37 条

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