Exponential temperature dependence of the penetration depth in single crystal MgB2

F. Manzano, A. Carrington, N. E. Hussey, S. Lee, A. Yamamoto, S. Tajima

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Abstract

A high resolution radio frequency technique was used to measure the temperature dependence of the London penetration depth in both single crystal and polycrystalline MgB2. An exponential temperature dependence was obtained at low temperature, which indicated s-wave pairing. A small energy gap value was obtained and the pairing interaction of the compound was found to be phononic.

Original languageEnglish
Article number047002
Pages (from-to)470021-470024
Number of pages4
JournalPhysical Review Letters
Volume88
Issue number4
Publication statusPublished - 2002 Jan 28

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Manzano, F., Carrington, A., Hussey, N. E., Lee, S., Yamamoto, A., & Tajima, S. (2002). Exponential temperature dependence of the penetration depth in single crystal MgB2. Physical Review Letters, 88(4), 470021-470024. [047002].