Crossover from Quarter-Filling to Half-Filling in a One-Dimensional Electron System with a Dimerized and Quarter-Filled Band : Condensed Matter: Electronic Properties, etc.
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概要
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The interplay between quarter-filled and half-filled umklapp scattering has been examined by applying the renormalization group method to a one-dimensional quarter-filled electron system with dimerization, on-site (U) and nearest-neighbor (V) repulsive interactions. The phase diagram on the U-V plane is obtained at absolute zero temperature where the Mott insulator (the charge ordered insulator) is found for smaller (larger) V. By choosing the moderate parameter in the region of Mott insulator, it is shown that the resistivity exhibits a crossover from behavior of quarter-filling to that of half-filling with decreasing temperature.
- 社団法人日本物理学会の論文
- 2001-06-15
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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Yoshioka Hideo
Department of Physics, Nagoya University
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SUZUMURA Yoshikazu
CREST, Japan Science of Technology Corporation (JST)
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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
Crest Japan Science And Technology Corporation
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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 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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