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

University of Cambridge
University of Toronto
Commissariat à l’énergie atomique et aux énergies alternatives

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

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 - 13 May 2005
Externally published	Yes

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10.1103/PhysRevLett.94.186401

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title = "Anomalous de Haas-van Alphen oscillations in CeCoIn5",

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 - Julian, S. R.

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AU - Aoki, D.

AU - Flouquet, J.

PY - 2005/5/13

Y1 - 2005/5/13

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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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U2 - 10.1103/PhysRevLett.94.186401

DO - 10.1103/PhysRevLett.94.186401

M3 - Article

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JO - Physical Review Letters

JF - Physical Review Letters

IS - 18

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ER -

Anomalous de Haas-van Alphen oscillations in CeCoIn5

Abstract

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