Multigap superconductivity in the heavy-fermion system CeCoIn5

G. Seyfarth, J. P. Brison, G. Knebel, D. Aoki, G. Lapertot, J. Flouquet

Research output: Contribution to journalArticlepeer-review

52 Citations (Scopus)


New thermal conductivity experiments on the heavy-fermion superconductor CeCoIn5 down to 10mK rule out the suggested existence of unpaired electrons. Moreover, they reveal strong multigap effects with a remarkably low "critical" field Hc2S for the small gap band, showing that the complexity of heavy-fermion band structure has a direct impact on their response under magnetic field.

Original languageEnglish
Article number046401
JournalPhysical Review Letters
Issue number4
Publication statusPublished - 2008 Jul 21


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