Anomalous Susceptibility of UPd2Al3 near the Upper Critical Field

Akiko Ishiguro; Anju Sawada; Yoshihiko Inada; Junko Kimura; Michiro Suzuki; Noriaki Sato; Takemi Komatsubara

doi:10.1143/jpsj.64.378

Journal of the Physical Society of Japan

Online ISSN : 1347-4073
Print ISSN : 0031-9015
ISSN-L : 0031-9015

Anomalous Susceptibility of UPd₂Al₃ near the Upper Critical Field

Akiko Ishiguro, Anju Sawada, Yoshihiko Inada, Junko Kimura, Michiro Suzuki, Noriaki Sato, Takemi Komatsubara

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Keywords: UPd₂Al₃, ac susceptibility, heavy fermion, superconductor, flux pinning, Fulde-Ferrell state, antiferromagnet

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1995 Volume 64 Issue 2 Pages 378-382

DOI https://doi.org/10.1143/jpsj.64.378

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Abstract

The ac susceptibility of the heavy fermion superconductor UPd₂Al₃ has been measured. The peak of the susceptibility has been observed in the vicinity of the upper critical field. This anomaly is explained by the flux pinning rather than by the Fulde-Ferrell state.

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