Magnetoenhancement of superconductivity in composite d-wave superconductors

被引：3
|
作者：
Schiulaz, Mauro [1 ,2 ]
Baldwin, Christopher L. [1 ]
Laumann, Chris R. [1 ]
Spivak, Boris Z. [3 ]
机构：
[1] Boston Univ, Dept Phys, 590 Commonwealth Ave, Boston, MA 02215 USA
[2] Yeshiva Univ, Dept Phys, New York, NY 10016 USA
[3] Univ Washington, Dept Phys, Seattle, WA 98195 USA
来源：
PHYSICAL REVIEW B | 2018年 / 98卷 / 09期
基金：
美国国家科学基金会;
关键词：
SYMMETRY;
D O I：
10.1103/PhysRevB.98.094508
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We study composite d-wave superconductors consisting of randomly oriented and randomly distributed superconducting droplets embedded in a matrix. In a certain range of parameters the application of a small magnetic field enhances the superconductivity in these materials, while larger fields suppress superconductivity as usual in conventional superconductors. We investigate the magnetic field dependence of the superfluid density and the critical temperature of such superconductors.
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页数：7
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