意外简并非常规配对态的杂质诱导双跃迁

arXiv: Superconductivity Pub Date : 2020-09-21 DOI:10.1103/PHYSREVRESEARCH.3.L012004

Bastian Zinkl, M. Sigrist

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引用次数: 7

摘要

非磁性杂质可以解除非常规配对态的偶然简并，例如最近提出的Sr$_2$RuO$_4$的$(d + i g)$-波态。这种效应会导致杂质掺杂后的超导双跃迁。在模型计算中，说明了这种行为如何取决于材料参数以及如何检测到它。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Impurity-induced double transitions for accidentally degenerate unconventional pairing states

Non-magnetic impurities can lift the accidental degeneracy of unconventional pairing states, such as the $(d + i g)$-wave state recently proposed for Sr$_2$RuO$_4$. This type of effect would lead to a superconducting double transition upon impurity doping. In a model calculation it is shown how this behavior depends on material parameters and how it could be detected.

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arXiv: Superconductivity

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