Thermodynamic Quantities of the One-Dimensional Hubbard Model at Finite Temperatures
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概要
- 論文の詳細を見る
The thermodynamic quanti[.ies of the 10 Hubbard model are investigated exactlyby means of the Bethe Ansatz solution at finite ternperatures. For an arbitrary elec-iron concentration, the magnetic susceptibility, Inhe charge susceptibility and thespecific heat are calculated numerically as a function of temperature. On the basis ofthe obtained results, the characteristic behavior, which appears in the charge excita-lion near half-filling, is discussed, and is understood to be closely related to the gapformation of the Molt-type insulator.[Hubbard model, Bethe Ansatz method, numeric:al calculation, thermodynamic ll quantity, charge excitationl
- 社団法人日本物理学会の論文
- 1990-04-15
著者
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USUKI Tatsuya
Fujitsu Laboratories Ltd.
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Usuki Tatsuya
Department Of Applied Physics Osaka University
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Okiji Ayao
Department Of Applied Physics Osaka University
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KAWAKAMI Norio
Research Institute for Fundamental Physics,Kyoto University
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Okiji Ayao
Department Of Aplied Physics Faculty Of Engineering Osaka University
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Kawakami Norio
Research Institute For Fundamental Physics Kyoto University
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