Anomalous Field Dependence of Magnetic Penetration Depth in the Vortex State of CeRu2 Probed by Muon Spin Rotation

A. Yamashita, K. Ishii, T. Yokoo, J. Akimitsu, M. Hedo, Y. Inada, Y. Ōnuki, E. Yamamoto, Y. Haga, R. Kadono

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Magnetic penetration depths in the mixed state of a heavy-fermion superconductor CeRu2 have been measured by muon spin rotation. An anomalous increase of the observed penetration depth associated with the hysteresis peak of magnetization strongly suggests a new vortex phase, possibly a generalized Fulde-Ferrel-Larkin-Ovchinnikov state, near the upper critical field.

Original languageEnglish
Pages (from-to)3771-3774
Number of pages4
JournalPhysical Review Letters
Volume79
Issue number19
DOIs
Publication statusPublished - Nov 10 1997
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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