Gap function with point nodes in borocarbide superconductor YNi2B2C

K. Izawa, K. Kamata, Y. Nakajima, Y. Matsuda, T. Watanabe, M. Nohara, H. Takagi, P. Thalmeier, K. Maki

Research output: Contribution to journalArticlepeer-review

178 Citations (Scopus)

Abstract

Gap function with point nodes in borocarbide superconductor YNi2B2C was analyzed. The angular variation of c-axis thermal conductivity in magnetic field rotated with the ab plane showed a peculiar fourfold oscillation with narrow cusps. The results provided the evidence that the gap function had point nodes located along the a and b axes.

Original languageEnglish
Article number137006
Pages (from-to)1370061-1370064
Number of pages4
JournalPhysical Review Letters
Volume89
Issue number13
Publication statusPublished - Sep 23 2002
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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