Neverov Vyacheslav D, Lukyanov Alexander E, Krasavin Andrey V, Vagov Alexei, Lvov Boris G, Croitoru Mihail D
National Research Nuclear University MEPhI, Moscow 115409, Russian Federation.
National Research University Higher School of Economics, 101000 Moscow, Russian Federation.
Beilstein J Nanotechnol. 2024 Feb 12;15:199-206. doi: 10.3762/bjnano.15.19. eCollection 2024.
Understanding the intricate interplay between disorder and superconductivity has become a key area of research in condensed matter physics, with profound implications for materials science. Recent studies have shown that spatial correlations of disorder potential can improve superconductivity, prompting a re-evaluation of some theoretical models. This paper explores the influence of disorder correlations on the fundamental properties of superconducting systems, going beyond the traditional assumption of spatially uncorrelated disorder. In particular, we investigate the influence of disorder correlations on key spectroscopic superconductor properties, including the density of states, as well as on the matrix elements of the superconducting coupling constant and their impact on the localization length. Our findings offer valuable insights into the role of disorder correlations in shaping the behavior of superconducting materials.
理解无序与超导之间复杂的相互作用已成为凝聚态物理研究的一个关键领域，对材料科学有着深远的影响。最近的研究表明，无序势的空间相关性可以改善超导性，这促使人们对一些理论模型进行重新评估。本文探讨了无序相关性对超导系统基本性质的影响，超越了传统的空间不相关无序假设。特别是，我们研究了无序相关性对关键光谱超导性质的影响，包括态密度，以及对超导耦合常数的矩阵元及其对局域长度的影响。我们的研究结果为无序相关性在塑造超导材料行为中的作用提供了有价值的见解。
