Evidence for strong-coupling s-wave superconductivity in MgB2: 11B NMR study

H. Kotegawa, K. Ishida, Y. Kitaoka, T. Muranaka, J. Akimitsu

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Abstract

A 11B NMR study was carried out to investigate the gap structure in the MgB2 superconductor. It was found that the 1/T1 of 11B decreases exponentially in the SC state, revealing a tiny coherence peak just below Tc.

Original languageEnglish
Article number127001
Pages (from-to)127001/1-127001/4
JournalPhysical Review Letters
Volume87
Issue number12
Publication statusPublished - Sep 17 2001
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Kotegawa, H., Ishida, K., Kitaoka, Y., Muranaka, T., & Akimitsu, J. (2001). Evidence for strong-coupling s-wave superconductivity in MgB2: 11B NMR study. Physical Review Letters, 87(12), 127001/1-127001/4. [127001].