Analysis of Susceptibility in CeCoIn_5 Based on Fermi Liquid Theory(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)

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概要

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• We propose a possible strategy of calculating physical quantities in normal states of Ce compounds, in the presence of a crystalline electric field (CEF). In particular, we show the specific heat γ and magnetic susceptibility χ cannot be estimated without correctly treating the CEF splitting and renormalization effect due to electron correlation. In the study, we discuss CeCoIn_5 as a typical example, and estimate γ and χ on the basis of the tight binding model which is suitable for CeCoIn_5. Throughout the paper, we show how to treat electron correlation in order to construct a renormalized electronic structure. Using the renormalized electronic structure, we obtain reasonable values for physical quantities.

• 一般社団法人日本物理学会の論文
• 2006-01-15

著者

• Miyazawa Morio

  Department Of Physics Faculty Of Science Kyoto University

関連論文

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• Theory of Anomalous Hall Effect in a Heavy Fermion System with a Strong Anisotropic Crystal Field
• Theory of the Hybridization Gap in Ce Compounds with Crystalline Electric Field Splitting
• Analysis of Susceptibility in CeCoIn_5 Based on Fermi Liquid Theory(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)

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