Electronic Order with Staggered Kondo and Crystalline Electric Field Singlets
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概要
- 論文の詳細を見る
Novel electronic order is found theoretically for a system where even number of localized electrons per site are coupled with conduction electrons. For precise quantitative study, a variant of the Kondo lattice model is taken with crystalline electric field (CEF) singlet and triplet states for each site. Using the dynamical mean-field theory combined with the continuous-time quantum Monte Carlo method, a staggered order with alternating Kondo and CEF singlets is identified for a case with one conduction electron per site being distributed in two conduction bands each of which is quarter-filled. This electronic order accompanies a charge density wave (CDW) of conduction electrons that accumulate more on Kondo-singlet sites than on CEF-singlet sites. Possible relevance of the present order to the scalar order in PrFe4P12 is discussed.
- Physical Society of Japanの論文
- 2010-07-15
著者
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Otsuki Junya
Department Of Physics Tohoku University
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HOSHINO Shintaro
Department of Physics, Tohoku University
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Kuramoto Yoshio
Department Of Applied Physics Faculty Of Engineering Tohoku University
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