Theory of Collective Modes in Quantum Crystals of Spinless Fermions
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概要
- 論文の詳細を見る
A microscopic theory of collective modes is presented for a simplified model of quantum crystals of fermions containing a small amount of zero-point vacancies, with special stress on the coupling between the vacancy motion and the lattice vibration. Two types of couplings are found: one is proportional to div u and the other to u^・u being the displacement of lattice points. The coupling of the latter type, which is characteristic in the present system, is due to the exchange interaction between vacancies and lattice vibrations.
- 理論物理学刊行会の論文
- 1979-05-25
著者
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Nagaoka Yosuke
Research Institute For Fundamental Physics Kyoto University
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JICHU Hisao
Physics Department, Aichi University of Education
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Jichu Hisao
Department Of Physics Nagoya University
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Jichu Hisao
Physics,Department,Aichi University of Education
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