High-temperature magnetoconductivity of YBa2Cu3O7-δ:: Reconsideration of the Maki-Thompson contribution

被引：19

作者：

Axnas, J ^{[1
]}

Lundqvist, B ^{[1
]}

Rapp, O ^{[1
]}

机构：

[1] Kungl Tekniska Hogskolan, Dept Solid State Phys, SE-10044 Stockholm, Sweden

来源：

PHYSICAL REVIEW B | 1998年 / 58卷 / 10期

关键词：

D O I：

10.1103/PhysRevB.58.6628

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The magnetoconductivity of YBa2CU3O7-delta was measured in magnetic fields B up to 12 T in temperatures up to 2.55T(c) for B parallel to c and up to 1.7T(c) for B parallel to ab. Negligible Maki-Thompson (MT) terms in the superconducting fluctuations have often been inferred from similar published data. We find that these data as well as ours can be well described by including the MT terms and the previously neglected density-of-states effects. Therefore, it cannot be concluded from magnetoconductivity alone that MT terms are negligible, and all previous such analyses must be reexamined.

引用

页码：6628 / 6632

页数：5

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