Fermi-Liquid Behavior and BCS s-Wave Pairing of K3C60 Observed by 13C-NMR

Susumu Sasaki, Azusa Matsuda, C. W. Chu

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22 引文 斯高帕斯(Scopus)

摘要

This Letter reports on NMR studies of 13C in K3 C60 above and below Tc with an applied field of 2.93 T. It is found that non-single-exponential recovery data can be fitted by two components and normalized to an identical shape. With T1 defined in this way, Fermi-liquid behavior is identified above Tc, and a broadened Hebel-Slichter peak observed below Tc is well explained by the Eliashberg theory with 2Δ(0) /kBTc=4.31. The possibility of strong electron correlation and the origin of the multi-exponential recovery are discussed.

原文English
頁(從 - 到)1670-1673
頁數4
期刊Journal of the Physical Society of Japan
63
發行號5
DOIs
出版狀態Published - 1994

All Science Journal Classification (ASJC) codes

  • 物理與天文學 (全部)

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