Field-induced spin-density wave beyond hidden order in URu 2 Si 2
URu Si is one of the most enigmatic strongly correlated electron systems and offers a fertile testing ground for new concepts in condensed matter science. In spite of >30 years of intense research, no consensus on the order parameter of its low-temperature hidden-order phase exists. A strong magn...
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| Veröffentlicht in: | Nature communications 2016-10, Vol.7, p.13075 |
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| creator | Knafo, W Duc, F Bourdarot, F Kuwahara, K Nojiri, H Aoki, D Billette, J Frings, P Tonon, X Lelièvre-Berna, E Flouquet, J Regnault, L-P |
| description | URu
Si
is one of the most enigmatic strongly correlated electron systems and offers a fertile testing ground for new concepts in condensed matter science. In spite of >30 years of intense research, no consensus on the order parameter of its low-temperature hidden-order phase exists. A strong magnetic field transforms the hidden order into magnetically ordered phases, whose order parameter has also been defying experimental observation. Here, thanks to neutron diffraction under pulsed magnetic fields up to 40 T, we identify the field-induced phases of URu
Si
as a spin-density-wave state. The transition to the spin-density wave represents a unique touchstone for understanding the hidden-order phase. An intimate relationship between this magnetic structure, the magnetic fluctuations and the Fermi surface is emphasized, calling for dedicated band-structure calculations. |
| doi_str_mv | 10.1038/ncomms13075 |
| format | Article |
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Si
is one of the most enigmatic strongly correlated electron systems and offers a fertile testing ground for new concepts in condensed matter science. In spite of >30 years of intense research, no consensus on the order parameter of its low-temperature hidden-order phase exists. A strong magnetic field transforms the hidden order into magnetically ordered phases, whose order parameter has also been defying experimental observation. Here, thanks to neutron diffraction under pulsed magnetic fields up to 40 T, we identify the field-induced phases of URu
Si
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Si
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Si
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| title | Field-induced spin-density wave beyond hidden order in URu 2 Si 2 |
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