Record link: 
http://hdl.handle.net/20.500.12708/144279
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Title: 
Tuning the Fermi liquid crossover in Sr2RuO4 with uniaxial stress
en
Citation: 
Chronister, A., Zingl, M., Pustogow, A., Luo, Y., Sokolov, D. A., Jerzembeck, F., Kikugawa, N., Hicks, C. W., Mravlje, J., Bauer, E. D., Thompson, J. D., Mackenzie, A. P., Georges, A., & Brown, S. E. (2022). Tuning the Fermi liquid crossover in Sr2RuO4 with uniaxial stress. Npj Quantum Materials, 7, Article 113. https://doi.org/10.1038/s41535-022-00519-6
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Publisher DOI: 
10.1038/s41535-022-00519-6
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Publication Type: 
Article - Original Research Article
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Language: 
English
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Authors: 
Chronister, A. 
Zingl, M. 
Pustogow, A. 
Luo, Yongkang 
Sokolov, D. A. 
Jerzembeck, F. 
Kikugawa, N. 
Hicks, C. W. 
Mravlje, J. 
Bauer, E. D. 
Thompson, J. D. 
Mackenzie, Andrew P. 
Georges, A. 
Brown, S. E. 
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Organisational Unit: 
E138-03 - Forschungsbereich Functional and Magnetic Materials 
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Journal: 
npj Quantum Materials 
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ISSN: 
2397-4648
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Date (published): 
2-Dec-2022
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Publisher: 
NATURE PORTFOLIO
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Peer reviewed: 
Yes
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Keywords: 
Sr2RuO4; Fermi liquid; uniaxial strain; van Hove singularity
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Abstract: 
We perform nuclear magnetic resonance (NMR) measurements of the oxygen-17 Knight shifts for Sr2RuO4, while subjected to uniaxial stress applied along [100] direction. The resulting strain is associated with a strong variation of the temperature and magnetic field dependence of the inferred magnetic response. A quasiparticle description based on density-functional theory calculations, supplemented by many-body renormalizations, is found to reproduce our experimental results, and highlights the key role of a van-Hove singularity. The Fermi-liquid coherence scale is shown to be tunable by strain, and driven to low values as the associated Lifshitz transition is approached.
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Project (external): 
Alexander von Humboldt Foundation
Julian Schwinger Foundation
National Science Foundation (USA)
National Science Foundation (USA)
Los Alamos National Laboratory LDRD Program
KAKENHI Grants-in-Aids for Scientific Research
KAKENHI Grants-in-Aids for Scientific Research
KAKENHI Grants-in-Aids for Scientific Research
Japan Society for the Promotion of Science
JST-Mirai Program
Slovenian Research Agency (ARRS)
Slovenian Research Agency (ARRS)
Slovenian Research Agency (ARRS)
Deutsche Forschungsgemeinschaft-TRR
Simons Foundation, USA
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Project ID: 
1709304
2004553
17H06136
18K04715
21H01033
JPJSCCA20170002
JPMJMI18A3
P1-0044
J1-1696
J1-2458
288-422213477 (projects A10 and B01)
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Research Areas: 
Materials Characterization: 50%
Quantum Many-body Systems Physics: 50%
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Science Branch: 
1030 - Physik, Astronomie: 100%
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