Distribution of Zeros of the Partition Function for the Slater Model of Ferroelectricity
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概要
- 論文の詳細を見る
The partition functions of the Slater's models of ferroelectricity (KDP model), antiferroelectricity (F model) and Wu's modified KDP model are calculated for lattices of finite size (up to 6×6). The distributions of the zeros of the partition function of the KDP model in the complex fugacity (z≡exp V/kT) plane are on the unit circle at low temperatures and are two-dimensionally distributed at high temperatures. In case of the F model the distribution of zeros are two-dimensional in all temperature region. The zeros of the KDP model at low temperatures in the complex Z^<2N> plane are on the unit circle, and those at high temperatures lie on the negative real axis. The zeros of the F model in the complex Z^<2N> plane lie on the negative real axis at high and low temperatures. The distribution of zeros of the KDP model, the F model and the modified KDP model in the complex temperature plane are also obtained.
- 社団法人日本物理学会の論文
- 1970-10-05
著者
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Abe Yoshihiko
Department Of Applied Physics Tohoku University:department Of Physics Tohoku University
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Abe Yoshihiko
Department Of Applied Physics Tohoku University
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Katsura Shigetoshi
Department Of Applied Physics Faculty Of Engineering Tohoku University
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Ohkohchi Katsuji
Department Of Applied Physics Tohoku University
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