Mottled electronic state near a quantum critical phase transition

Kambe, Shinsaku ; Sakai, Hironori ; Tokunaga, Yo

By means of nuclear magnetic resonance (NMR) spin-lattice relaxation time measurements on a single crystal YbRhSi sample, it is revealed that the coexisting Fermi and non-Fermi states appears near the quantum critical phase transition. Such a mottled state has remained hidden in Ce and U heavy fermion compounds, owing presumably to short lifetimes for the two states. Valence and magnetic instabilities are considered to occur at the same time around the quantum critical phase transition.

Language	:	Japanese
Journal	:	Nihon Butsuri Gakkai-Shi
Volume	:	71
Number	:	1
Pages	:	p.22 - 26
Publication Year/Month	:	2016/01
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Paper URL	:	https://doi.org/10.11316/butsuri.71.1_22
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Keywords	:	no keyword
Research Facility	:	第4研究棟
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Registration No. : AA20150895
JAEA Abstracts No. : 44000788
Paper Submission No. : 17403

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