Chiral superconductivity in UTe probed by anisotropic low-energy excitations

Ishihara, Kota*; Roppongi, Masaki*; Kobayashi, Masayuki*; Imamura, Kumpei*; Mizukami, Yuta*; Sakai, Hironori ; Opletal, P. ; Tokiwa, Yoshifumi ; Haga, Yoshinori ; Hashimoto, Kenichiro*; Shibauchi, Takasada*

The superconducting symmetry of the heavy fermion uranium-based superconductor UTe is investigated using low temperature penetration depth measurements. The anisotropic low-energy quasiparticle excitations indicates multiple superconducting components in a chiral complex form. The most consistent is a chiral non-unitary state.

Language	:	English
Journal	:	Nature Communications (Internet)
Volume	:	14
Number	:
Pages	:	p.2966_1 - 2966_7
Publication Year/Month	:	2023/05
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Patent information	:
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Paper URL	:	https://doi.org/10.1038/s41467-023-38688-y
DOI for research data	:
Keywords	:	Heavy Fermion; Strongly Correlated Electron Systems; Superconductivity
Research Facility	:	第4研究棟
Press Release	:	ウラン化合物におけるカイラリティを持つ超伝導状態を解明
Article of JAEA R&D Review	:
Cooperating Institute	:	東京大学

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Registration No. : AA20220632
JAEA Abstracts No. : 51000809
Paper Submission No. : 26747

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