VORTEX FLUCTUATIONS AND 2-DIMENSIONAL COULOMB-GAS SCALING FOR CRYSTALLINE YBA2CU3O7-X PRBA2CU3O7-X SUPERLATTICES

被引：36
|
作者：
MINNHAGEN, P
OLSSON, P
机构：
[1] Department of Theoretical Physics, Umeå University
来源：
PHYSICAL REVIEW B | 1992年 / 45卷 / 10期
关键词：
D O I：
10.1103/PhysRevB.45.5722
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An analysis of resistance data for crystalline YBa2Cu3O7-x/PrBa2Cu3O7-x superlattices that reveals a new fine structure is presented. This fine structure, which is directly related to the two-dimensional (2D) to three-dimensional crossover close to T(c), gives a measure of the effective anisotropy of the various superlattices. The data is remarkably well explained by the 2D Ginzburg-Landau Coulomb-gas model and the fine structure can be attributed to the coupling between the superconducting YBa2Cu3O7-x layers.
引用
收藏
页码：5722 / 5725
页数：4
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