Correlation Effects in a One-Dimensional Quarter-Filled Electron System with Repulsive Interactions : Condensed Matter: Electronic Properties, etc.
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概要
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A one-dimensional electron system at quarter-filling has been examined by applying the renormalization group method to a bosonized model with on-site (U) and nearest-neighbor (V) repulsive interactions. By evaluating both normal scattering and Umklapp scattering perturbatively, we obtain a phase diagram in which a metallic state with a 2k_F spin density wave (k_F is the Fermi wave number) moves into an insulating state with charge disproportionation of a 4k_F charge density wave with an increase in both U and V. The effect of the next-nearest-neighbor repulsion is also discussed.
- 社団法人日本物理学会の論文
- 2000-03-15
著者
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Tsuchiizu Masahisa
Department Of Physics Nagoya University:(present) Yukawa Institute For Theoretical Physics Kyoto Uni
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Tsuchiizu Masahisa
Department Of Physics Nagoya University
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Suzumura Y
名古屋大 大学院理学研究科
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SUZUMURA Yoshikazu
Department of Physics, Nagoya University
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Yoshioka Hideo
Department of Physics, Nagoya University
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Yoshioka H
Department Of Materials Science And Engineering Kyoto Universit
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Yoshioka H
Nara Women's Univ. Nara
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Yoshioka Hideo
Department Of Physics Nara Women's University
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Yoshioka Hideo
Department Of Physics Faculty Of Science University Of Tokyo
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Suzumura Yoshikazu
Department Of Physics Nagoya University
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Yoshioka Hideo
Department Of Oral And Maxillofacial Surgery Osaka Rosai Hospital
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Tsuchizu Masahisa
Department Of Physics Nagoya University
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Suzumura Yoshikazu
Department Of Physics Faculty Of Science Tohoku University
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Suzumura Yoshikatsu
Department Of Physics Nagoya University:crest Japan Science And Technology Corporation (jst)
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SUZUMURA Yoshikazu
Department of Physics, Faculty of Science Tohoku University
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