Field reentrance of the hidden order state of URu2Si2 under pressure

Dai Aoki, Frédéric Bourdarot, Elena Hassinger, Georg Knebel, Atsushi Miyake, Stéphane Raymond, Valentin Taufour, Jacques Flouquet

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Combination of neutron scattering and thermal expansion measurements under pressure shows that the so-called hidden order phase of URu2Si 2 reenters in magnetic field when antiferromagnetism (AF) collapses at HAF(T). Macroscopic pressure studies of the HO-AF boundaries were realized at different pressures via thermal expansion measurements under magnetic field using a strain gauge. Microscopic proof at a given pressure is the reappearance of the resonance at Q0 = (1,0,0) under field which is correlated with the collapse of the AF Bragg reflections at Qo.

Original languageEnglish
Article number053701
Journaljournal of the physical society of japan
Volume78
Issue number5
DOIs
Publication statusPublished - 2009 May 1
Externally publishedYes

Keywords

  • Electronic structure
  • Heavy fermion
  • Hidden order
  • Magnetism
  • Phase transition
  • URuSi

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Aoki, D., Bourdarot, F., Hassinger, E., Knebel, G., Miyake, A., Raymond, S., Taufour, V., & Flouquet, J. (2009). Field reentrance of the hidden order state of URu2Si2 under pressure. journal of the physical society of japan, 78(5), [053701]. https://doi.org/10.1143/JPSJ.78.053701