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

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

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

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

Research output: Contribution to journal › Article › peer-review

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 T_c.

Original language	English
Article number	127001
Pages (from-to)	127001/1-127001/4
Journal	Physical Review Letters
Volume	87
Issue number	12
Publication status	Published - Sep 17 2001
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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title = "Evidence for strong-coupling s-wave superconductivity in MgB2: 11B NMR study",

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.",

author = "H. Kotegawa and K. Ishida and Y. Kitaoka and T. Muranaka and J. Akimitsu",

year = "2001",

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language = "English",

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AU - Kotegawa, H.

AU - Ishida, K.

AU - Kitaoka, Y.

AU - Muranaka, T.

AU - Akimitsu, J.

PY - 2001/9/17

Y1 - 2001/9/17

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AB - 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.

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

Abstract

ASJC Scopus subject areas

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