Anisotropic energy scale for degenerate Fermi and non-Fermi liquids near a quantum critical phase transition in YbRhSi

Kambe, Shinsaku ; Sakai, Hironori ; Tokunaga, Yo ; Lapertot, G.*; Matsuda, Tatsuma*; Knebel, G.*; Flouquet, J.*; Walstedt, R. E.*

Based on $^{29}$ Si nuclear spin-lattice relaxation time () data on a single crystal of YbRhSi, the coexisting Fermi liquid (FL) and non-Fermi liquid (NFL) states around the quantum critical phase transition have been found to be sensitive to the direction of the applied magnetic field. Augmented scaling analysis shows that the anisotropic characteristic temperature and field are roughly 10 times larger for than for , consistent with a previously obtained anisotropic phase diagram.

Language	:	English
Journal	:	Physical Review B
Volume	:	91
Number	:	16
Pages	:	p.161110_1 - 161110_5
Publication Year/Month	:	2014/04
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Paper URL	:	https://doi.org/10.1103/PhysRevB.91.161110
DOI for research data	:
Keywords	:	no keyword
Research Facility	:	第4研究棟
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Article of JAEA R&D Review	:
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Registration No. : AA20140857
JAEA Abstracts No. : 44000438
Paper Submission No. : 17115

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