Temperature dependence of energy gap in the superconducting state in URu2Si2

Frederic Bourdarot, Elena Hassinger, Stephane Raymond, Dai Aoki, Valentin Taufour, Jacques Flouquet

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11 Citations (Scopus)

Abstract

The excitation spectrum of URu2Si2 in the superconducting state has been investigated by a precise neutron-scattering experiment. A weak but clear positive energy shift of ∼40 μeV has been detected in the superconducting phase (at T = 400 mK) for the resonance at Q0 = (1,0,0). For the resonance at Q1 = (0.6,0,0), a two times smaller shift is observed but with an incertitude of the same order than this shift. This result is in agreement with our previous results indicating that the wave-vector Q0 is connected with the order parameters of the hidden order and of superconductivity.

Original languageEnglish
Article number094706
Journaljournal of the physical society of japan
Volume79
Issue number9
DOIs
Publication statusPublished - 2010 Sep 1
Externally publishedYes

Keywords

  • Hidden order
  • Magnetic resonance
  • Superconductivity
  • URuSi

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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