Emergent rank-5 nematic order in URuSi

Ikeda, Hiroaki*; Suzuki, Michito; Arita, Ryotaro*; Takimoto, Tetsuya*; Shibauchi, Takasada*; Matsuda, Yuji*

The origin of the hidden-order phase transition of URuSi has been a long-standing mystery in condensed matter physics. We examine the complete set of multipole correlations allowed in URuSi based on a first-principles theoretical approach. The results uncover that the hidden-order parameter is a rank-5 multipole (dotriacontapole) order with nematic $^{-}$ symmetry. This naturally provides comprehensive explanations of all key features in the hidden-order phase including anisotropic magnetic excitations, nearly degenerate antiferromagnetic-ordered state, and spontaneous rotational symmetry breaking.

Language	:	English
Journal	:	Nature Physics
Volume	:	8
Number	:	7
Pages	:	p.528 - 533
Publication Year/Month	:	2012/07
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Paper URL	:	https://doi.org/10.1038/nphys2330
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Web of Science® Times Cited Count	:	Times Cited Count： If you would like to get the latest times cited, please access the Web of Science®. http://www.webofknowledge.com/wos
InCites™	:	Percentile:96.1 Category:Physics, Multidisciplinary
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Registration No. : AA20120082
JAEA Abstracts No. : 40001070
Paper Submission No. : 11112

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