Stationary Josephson current as a tool to detect charge density waves in high-Tc oxides

被引：3
|
作者：
Gabovich, Alexander M. [1 ]
Voitenko, Alexander I. [1 ]
Li, Mai Suan [2 ]
Szymczak, Henryk [2 ]
机构：
[1] Natl Acad Sci Ukraine, Inst Phys, UA-03680 Kiev, Ukraine
[2] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2015年 / 516卷
关键词：
Stationary Josephson current; d-wave superconductivity; Charge-density wave; High-T-c oxides; HIGH-TEMPERATURE SUPERCONDUCTIVITY; ORDER-PARAMETER SYMMETRY; FERMI-SURFACE; BOUND-STATES; JUNCTIONS; GAP; TRANSITION; INSTABILITY; COMPETITION; MODEL;
D O I：
10.1016/j.physc.2015.06.014
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Nonmonotonic and even sign-changing dependences on the temperature and the doping level were predicted for the stationary Josephson tunnel current I-c between superconductors with d-wave order parameter symmetry and partial gapping by charge density waves (CDWs). The junction electrodes were considered in the framework of the two-dimensional electron spectrum appropriate to high-T-c cuprates. The non-trivial behavior can be observed for certain relative electrode orientations. Hence, I-c-measurements in wide ranges of doping and temperature may serve as an indicator of CDW existence. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：62 / 73
页数：12
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