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

Abstract

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.

Publication DOI: https://doi.org/10.1103/PhysRevResearch.3.033059
Divisions: College of Engineering & Physical Sciences > School of Informatics and Digital Engineering > Mathematics
College of Engineering & Physical Sciences
Additional Information: ©2021. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funding: This work was supported by the Leverhulme Trust Grants No. RPG-2016-044 (IY) and No. RPG-2019-317 (AL, IY), and by MOST/MESU Grant No. 3-16430 (VK).
Uncontrolled Keywords: Charge density waves,Impurities in superconductors,Phase transitions,Spin wave density,Superconductivity,Superconducting phase transition,Physics and Astronomy(all)
Full Text Link:
Related URLs: https://link.ap ... search.3.033059 (Publisher URL)
http://www.scop ... tnerID=8YFLogxK (Scopus URL)
PURE Output Type: Article
Published Date: 2021-07-16
Accepted Date: 2021-05-10
Authors: Lowe, A. (ORCID Profile 0000-0002-3714-4193)
Kagalovsky, V.
Yurkevich, I. V. (ORCID Profile 0000-0003-1447-8913)

Download

[img]

Version: Published Version

License: Creative Commons Attribution

| Preview

Export / Share Citation


Statistics

Additional statistics for this record