Hillier, Adrian D, Quintanilla, Jorge, Cywinski, Robert (2009) Evidence for Time-Reversal Symmetry Breaking in the Noncentrosymmetric Superconductor LaNiC2. Physical Review Letters: Moving Physics Forward, 102 (11). 117007 -1. ISSN 0031-9007. (doi:10.1103/PhysRevLett.102.117007) (KAR id:26087)
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| Official URL: http://dx.doi.org/10.1103/PhysRevLett.102.117007 |
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Abstract
Muon spin relaxation experiments on the noncentrosymmetric intermetallic superconductor LaNiC2 are reported. We find that the onset of superconductivity coincides with the appearance of spontaneous magnetic fields, implying that in the superconducting state time-reversal symmetry is broken. An analysis of the possible pairing symmetries suggests only four triplet states compatible with this observation, all of them nonunitary. They include the intriguing possibility of triplet pairing with the full point group symmetry of the crystal, which is possible only in a noncentrosymmetric superconductor.
| Item Type: | Article |
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| DOI/Identification number: | 10.1103/PhysRevLett.102.117007 |
| Additional information: | See also erratum: Phys. Rev. Lett. 105, 229901 (2010). |
| Uncontrolled keywords: | Physics of Quantum Materials |
| Subjects: | Q Science > QC Physics |
| Institutional Unit: | Schools > School of Engineering, Mathematics and Physics > Physics and Astronomy |
| Former Institutional Unit: |
Divisions > Division of Natural Sciences > Physics and Astronomy
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| Depositing User: | Jorge Quintanilla |
| Date Deposited: | 03 Dec 2010 11:37 UTC |
| Last Modified: | 20 May 2025 09:34 UTC |
| Resource URI: | https://kar.kent.ac.uk/id/eprint/26087 (The current URI for this page, for reference purposes) |
Available versions of this item
- Evidence for Time-Reversal Symmetry Breaking in the Noncentrosymmetric Superconductor LaNiC2. (deposited 03 Dec 2010 11:37) [Currently Displayed]
University of Kent Author Information
Quintanilla, Jorge.
| Creator's ORCID: |
 https://orcid.org/0000-0002-8572-730X
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