A New Theory of Electronic State in Disordered System : Generalization of Hubbard's Alloy-Analogy and the Gutzwiller Approximation

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概要

• 論文の詳細を見る

• A new theory is proposed to calculate the density of states in disordered system. This is an approach opposite to Hubbard's alloy-analogy for the electron correlation problem in a narrow energy band. Averaged ground state energy of a disordered system is evaluated as a function of electron density in the Gutzwiller approximation. Then the density of states is derived by differentiating the ground state energy with respect to electron density. New theory is tested for a simplified band model and the results of numerical calculation are compared with those of the previous conventional theory.

• 理論物理学刊行会の論文
• 1976-07-25

著者

• OGAWA Tohru

  Department of Physics, Tokyo University of Education

• MATSUBARA Takahiko

  Department of Physics and Astronomy, The Johns Hopkins University

• Ogawa Tohru

  Department Of Microaiology Nagoya City University Medical School

• MATSUBARA Takeo

  Department of Physics, Kyoto University

• Ogawa Taeko

  Department Of Physics Kyoto Univerity

• Ogawa Toru

  Department Of Cardiology Disaster Medical Center

• Matsubara Takeo

  Department Of Applied Physics Okayama University Of Science

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