High-sensitivity heat-capacity measurements on Sr 2 RuO 4 under uniaxial pressure

Author:

Li You-Sheng12,Kikugawa Naoki3,Sokolov Dmitry A.1,Jerzembeck Fabian1ORCID,Gibbs Alexandra S.4ORCID,Maeno Yoshiteru5ORCID,Hicks Clifford W.1ORCID,Schmalian Jörg67ORCID,Nicklas Michael1ORCID,Mackenzie Andrew P.12ORCID

Affiliation:

1. Max Planck Institute for Chemical Physics of Solids, 01187 Dresden, Germany;

2. Scottish Universities Physics Alliance, School of Physics and Astronomy, University of St Andrews, St Andrews KY16 9SS, United Kingdom;

3. National Institute for Materials Science, Tsukuba 305-0003, Japan;

4. ISIS Facility, Science and Technology Facilities Council Rutherford Appleton Laboratory, Didcot OX11 0QX, United Kingdom;

5. Department of Physics, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan;

6. Institut für Theorie der Kondensierten Materie, Karlsruher Institut für Technologie, 76131 Karlsruhe, Germany;

7. Institut für Quantenmaterialien und Technologien, Karlsruher Institut für Technologie, 76131 Karlsruhe, Germany

Abstract

Significance Research on the unconventional superconductivity of S r 2 R u O 4 is undergoing a renaissance since recent spin susceptibility measurements ruling out the spin triplet order parameter which had been widely favored for over two decades. With ultrasound, Kerr rotation, and muon spin relaxation data all providing evidence for a two-component order parameter, it is vital that this possibility be investigated thermodynamically by studying the dependence of the heat-capacity anomaly on uniaxial pressure. Here, the relevant experimental results are combined with theoretical analysis that shows how strongly the data constrain theories of the order parameter. In particular, we do not observe any signs of transition splitting of two-order-parameter components. S r 2 R u O 4 thus offers a unique test bed for theories of unconventional superconductivity.

Publisher

Proceedings of the National Academy of Sciences

Cited by 55 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.7亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2025 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3