Nonsymmorphic symmetry and field-driven odd-parity pairing in CeRh2As2

被引：38

作者：

Cavanagh, D. C. ^{[1
]}

Shishidou, T. ^{[2
]}

Weinert, M. ^{[2
]}

Brydon, P. M. R. ^{[1
,3
]}

Agterberg, Daniel F. ^{[2
]}

机构：

[1] Univ Otago, Dept Phys, POB 56, Dunedin 9054, New Zealand

[2] Univ Wisconsin, Dept Phys, Milwaukee, WI 53201 USA

[3] Univ Otago, MacDiarmid Inst Adv Mat & Nanotechnol, POB 56, Dunedin 9054, New Zealand

来源：

PHYSICAL REVIEW B | 2022年 / 105卷 / 02期

关键词：

BILBAO CRYSTALLOGRAPHIC SERVER;

D O I：

10.1103/PhysRevB.105.L020505

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Recently, evidence has emerged for a field-induced even- to odd-parity superconducting phase transition in CeRh2As2 [S. Khim et al., Science 373, 1012 (2021)]. Here we argue that the P4/nmm nonsymmorphic crystal structure of CeRh2As2 plays a key role in enabling this transition by ensuring large spin-orbit interactions near the Brillouin zone boundaries, which naturally leads to the required near-degeneracy of the even- and odd-parity channels. We further comment on the relevance of our theory to FeSe, which crystallizes in the same structure.

引用

页数：5

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