Anomalous de Haas-van Alphen oscillations in CeCoIn5

A. McCollam; S. R. Julian; P. M.C. Rourke; D. Aoki; J. Flouquet

doi:10.1103/PhysRevLett.94.186401

Anomalous de Haas-van Alphen oscillations in CeCoIn5

A. McCollam, S. R. Julian, P. M.C. Rourke, D. Aoki, J. Flouquet

Research output: Contribution to journal › Article › peer-review

84 Citations (Scopus)

Abstract

We present de Haas-van Alphen oscillation measurements showing a strong spin dependence of the quasiparticle mass enhancement in the heavy fermion superconductor CeCoIn5 at high magnetic fields. There is evidence that the Fermi-liquid temperature dependence of the oscillations, embodied in the Lifshitz-Kosevich equation, is breaking down on the most strongly renormalized Fermi surface sheets.

Original language	English
Article number	186401
Journal	Physical review letters
Volume	94
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevLett.94.186401
Publication status	Published - 2005 May 13
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.94.186401

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abstract = "We present de Haas-van Alphen oscillation measurements showing a strong spin dependence of the quasiparticle mass enhancement in the heavy fermion superconductor CeCoIn5 at high magnetic fields. There is evidence that the Fermi-liquid temperature dependence of the oscillations, embodied in the Lifshitz-Kosevich equation, is breaking down on the most strongly renormalized Fermi surface sheets.",

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AU - Flouquet, J.

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AB - We present de Haas-van Alphen oscillation measurements showing a strong spin dependence of the quasiparticle mass enhancement in the heavy fermion superconductor CeCoIn5 at high magnetic fields. There is evidence that the Fermi-liquid temperature dependence of the oscillations, embodied in the Lifshitz-Kosevich equation, is breaking down on the most strongly renormalized Fermi surface sheets.

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Anomalous de Haas-van Alphen oscillations in CeCoIn5

Abstract

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