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arXiv · 1405.7403

Evidence for a nematic component to the Hidden Order parameter in URu2Si2 from differential elastoresistance measurements

Scott C. Riggs·M. C. Shapiro·Akash V. Maharaj·S. Raghu·E. D. Bauer·R. E. Baumbach·P. Giraldo-Gallo·Mark Wartenbe·I. R. Fisher
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Abstract

Measurements of the differential elastoresistance of URu$_2$Si$_2$ reveal that the fluctuations associated with the 17 K Hidden Order phase transition have a nematic component. Approaching the "Hidden Order" phase transition from above, the nematic susceptibility abruptly changes sign, indicating that while the Hidden Order phase has a nematic component, it breaks additional symmetries.

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Scott C. Riggs, M. C. Shapiro, Akash V. Maharaj, S. Raghu, E. D. Bauer, R. E. Baumbach, P. Giraldo-Gallo, Mark Wartenbe, I. R. Fisher. 2014-05-28. Evidence for a nematic component to the Hidden Order parameter in URu2Si2 from differential elastoresistance measurements. https://doi.org/10.1038/ncomms7425

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