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Author Weyeneth, S. ♦ Bendele, M. ♦ Puzniak, R. ♦ Muranyi, F. ♦ Bussmann-Holder, A. ♦ Zhigadlo, N. D. ♦ Katrych, S. ♦ Bukowski, Z. ♦ Karpinski, J. ♦ Shengelaya, A. ♦ Khasanov, R. ♦ Keller, H.
Source arXiv.org
Content type Text
File Format PDF
Date of Submission 2009-11-28
Language English
Subject Domain (in DDC) Computer science, information & general works ♦ Natural sciences & mathematics ♦ Physics
Subject Keyword Condensed Matter - Superconductivity ♦ Condensed Matter - Strongly Correlated Electrons ♦ physics:cond-mat
Abstract The magnetic field dependence of the in-plane magnetic penetration depth for optimally doped SmFeAsO_(1-x)F_y was investigated by combining torque magnetometry, SQUID magnetometry, and muon-spin rotation. The results obtained from these techniques show all a pronounced decrease of the superfluid density as the field is increased up to 1.4 T. This behavior is analysed within a two-band model with self-consistently derived coupled gaps, where the superfluid density related to the larger gap is field independent and the superfluid density related to the smaller gap is strongly suppressed with increasing field.
Description Reference: Europhysics Letters EPL 91, 47005, (2010)
Educational Use Research
Learning Resource Type Article
Page Count 7


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