Pressure Evolution of the Magnetic Field induced Ferromagnetic Fluctuation through the Pseudo-Metamagnetism of CeRu2Si2
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概要
- 論文の詳細を見る
Resistivity measurements performed under pressure in the paramagnetic ground state of CeRu2Si2 are reported. They demonstrate that the relative change of effective mass through the pseudo metamagnetic transition is invariant under pressure. The results are compared with the first order metamagnetic transition due to the antiferromagnetism of Ce0.9La0.1Ru2Si2 which corresponds to the ``negative'' pressure of CeRu2Si2 by volume expansion. Finally, we describe the link between the spin-depairing of quasiparticles on CeRu2Si2 and that of Cooper pairs on the unconventional heavy fermion superconductor CeCoIn5.
- 2011-05-15
著者
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SETTAI Rikio
Graduate School of Science, Osaka University
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KNEBEL Georg
INAC, SPSMS, CEA Grenoble
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AOKI Dai
INAC, SPSMS, CEA Grenoble
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FLOUQUET Jacques
INAC, SPSMS, CEA Grenoble
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Onuki Yoshichika
Graduate School Of Science Osaka University
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Paulsen Carley
Institut Néel, CNRS/UJF Grenoble, 38042 Grenoble, France
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Matsuda Tatsuma
INAC, SPSMS, CEA Grenoble, 38054 Grenoble, France
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Malone Liam
LNCMI, UPR 3228 (CNRS-INSA-UJF-UPS), 31400 Toulouse, France
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Haen Pierre
Institut Néel, CNRS/UJF Grenoble, 38042 Grenoble, France
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Lejay Pascal
Institut Néel, CNRS/UJF Grenoble, 38042 Grenoble, France
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Lejay Pascal
Institut Néel, CNRS/UJF Grenoble, 38042 Grenoble, France
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Flouquet Jacques
INAC, SPSMS, CEA Grenoble, 38054 Grenoble, France
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Knebel Georg
INAC, SPSMS, CEA Grenoble, 38054 Grenoble, France
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Haen Pierre
Institut Néel, CNRS/UJF Grenoble, 38042 Grenoble, France
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