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Report No.

Distributed twofold ordering in URu$$_2$$Si$$_2$$

Kambe, Shinsaku ; Tokunaga, Yo ; Sakai, Hironori  ; Walstedt, R. E.*

In previous $$^{29}$$Si NMR basal-plane field rotation measurements, a modest breaking of the fourfold symmetry was suggested in the hidden-order state of URu$$_2$$Si$$_2$$. Here, the angular dependence of the $$^{29}$$Si NMR linewidth is analyzed in detail, indicating the occurrence of a distribution of twofold local fields at the Si sites even in a high-quality single crystal. The relation between sample quality and the occurrence of effects having twofold symmetry is discussed.



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Category:Materials Science, Multidisciplinary



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