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Constraints on the superconducting state of Sr2RuO4 from elastocaloric measurements
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dc.contributor.author | Palle, Grgur | |
dc.contributor.author | Hicks, Clifford | |
dc.contributor.author | Valentí, Roser | |
dc.contributor.author | Hu, Zhenhai | |
dc.contributor.author | Li, You-Sheng | |
dc.contributor.author | Rost, Andreas | |
dc.contributor.author | Nicklas, Michael | |
dc.contributor.author | Mackenzie, Andrew P. | |
dc.contributor.author | Schmalian, Jörg | |
dc.date.accessioned | 2023-11-29T15:30:01Z | |
dc.date.available | 2023-11-29T15:30:01Z | |
dc.date.issued | 2023-09-26 | |
dc.identifier | 296913961 | |
dc.identifier | 85a93a4d-6c64-419c-b574-be309b036dc2 | |
dc.identifier | 85174484403 | |
dc.identifier.citation | Palle , G , Hicks , C , Valentí , R , Hu , Z , Li , Y-S , Rost , A , Nicklas , M , Mackenzie , A P & Schmalian , J 2023 , ' Constraints on the superconducting state of Sr 2 RuO 4 from elastocaloric measurements ' , Physical Review. B, Condensed matter and materials physics , vol. 108 , 094516 . https://doi.org/10.1103/PhysRevB.108.094516 | en |
dc.identifier.issn | 1098-0121 | |
dc.identifier.other | Bibtex: PhysRevB.108.094516 | |
dc.identifier.uri | https://hdl.handle.net/10023/28792 | |
dc.description | Funding: This work was supported by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) – TRR 288-422213477 Elasto-Q-Mat project A05 (R.V.), project A07 (G.P. and J.S.), and project A10 (C.H. and A.P.M.). A.R. acknowledges support from the Engineering and Physical Sciences Research Council (Grant No. EP/P024564/1, EP/S005005/1, and EP/V049410/1). Research in Dresden benefits from the environment provided by the DFG Cluster of Excellence ct.qmat (EXC 2147, project ID 390858940). | en |
dc.description.abstract | Strontium ruthenate Sr2RuO4 is an unconventional superconductor whose pairing symmetry has not been fully clarified, despite more than two decades of intensive research. Recent NMR Knight shift experiments have rekindled the Sr2RuO4 pairing debate by giving strong evidence against all odd-parity pairing states, including chiral p-wave pairing that was for a long time the leading pairing candidate. Here, we exclude additional pairing states by analyzing recent elastocaloric measurements [Y.S. Li et al., Nature 607, 276 (2022)]. To be able to explain the elastocaloric experiment, we find that unconventional even-parity pairings must include either large dx2−y2 -wave or large {dxz | dyz}-wave admixtures, where the latter possibility arises because of the body-centered point group symmetry. These {dxz | dyz}-wave admixtures take the form of distinctively body-centered-periodic harmonics that have horizontal line nodes. Hence gxy(x2−y2 )-wave and dxy-wave pairings are excluded as possible dominant even pairing states. | |
dc.format.extent | 20 | |
dc.format.extent | 5318270 | |
dc.language.iso | eng | |
dc.relation.ispartof | Physical Review. B, Condensed matter and materials physics | en |
dc.subject | QC Physics | en |
dc.subject | 3rd-DAS | en |
dc.subject.lcc | QC | en |
dc.title | Constraints on the superconducting state of Sr2RuO4 from elastocaloric measurements | en |
dc.type | Journal article | en |
dc.contributor.sponsor | EPSRC | en |
dc.contributor.sponsor | EPSRC | en |
dc.contributor.institution | University of St Andrews. School of Physics and Astronomy | en |
dc.contributor.institution | University of St Andrews. Centre for Designer Quantum Materials | en |
dc.contributor.institution | University of St Andrews. Condensed Matter Physics | en |
dc.identifier.doi | 10.1103/PhysRevB.108.094516 | |
dc.description.status | Peer reviewed | en |
dc.identifier.url | https://arxiv.org/abs/2304.07182 | en |
dc.identifier.grantnumber | EP/P024564/1 | en |
dc.identifier.grantnumber | EP/S005005/1 | en |
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