Disorder-enhanced superconductivity in a quasi-one-dimensional strongly correlated system

被引：4
|
作者：
Lowe, A. [1 ]
Kagalovsky, V [2 ]
Yurkevich, I., V [1 ]
机构：
[1] Aston Univ, Sch Informat & Digital Engn, Birmingham B4 7ET, W Midlands, England
[2] Shamoon Coll Engn, Bialik Basel St, IL-84100 Beer Sheva, Israel
来源：
PHYSICAL REVIEW RESEARCH | 2021年 / 3卷 / 03期
关键词：
LOCALIZATION;
D O I：
10.1103/PhysRevResearch.3.033059
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We perform an analytical and numerical study of a superconducting instability in quasi-one-dimensional (quasi-1D) disordered systems. Modeling them as an array of Luttinger liquids with Josephson-type interchain coupling, we employed renormalization-group analysis with an extensive search for parameters that support superconductivity enhancement. We have found that this phenomenon is possible in the parameters range that support a latent disorder-driven phase transition between charge- and spin-density-wave phases. Our results may explain the experimental observation of disorder-enhanced superconductivity.
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页数：8
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