期刊
PHYSICAL REVIEW B
卷 100, 期 14, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.100.140502
关键词
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资金
- Natural Sciences and Engineering Research Council of Canada
- Department of Energy, Office of Basic Energy Sciences [DE-SC0019154]
- Gordon and Betty Moore Foundation's EPiQS Initiative [GBMF4419]
- National Institute of Standards and Technology [70NANB17H301]
- U.S. Department of Energy (DOE) [DE-SC0019154] Funding Source: U.S. Department of Energy (DOE)
We report low-temperature muon spin relaxation/rotation (mu SR) measurements on single crystals of the actinide superconductor UTe2. Below 5 K we observe a continuous slowing down of magnetic fluctuations that persists through the superconducting transition temperature (T-c = 1.6 K), but we find no evidence of long-range or local magnetic order down to 0.025 K. The temperature dependence of the dynamic relaxation rate down to 0.4 K agrees with the self-consistent renormalization theory of spin fluctuations for a three-dimensional weak itinerant ferromagnetic metal. Our mu SR measurements also indicate that the superconductivity coexists with the magnetic fluctuations.
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