Topological Charge Distribution and CP Model with θTerm
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概要
- 論文の詳細を見る
The two dimensional CP model with a θ term is simulated. We compute the topological charge distribution P(Q) by cmploying the "set method" and "trial function method", which are effective in calculations for a very wide range of Q and large volume. The distribution P(Q) exhibits Gaussian behavior in the small β (inverse coupling costant) regeion and deviates from this in the large β region. The free energy and its moment are calculated as a function of θ. For small β, the partition function is given by the elliptic theta function, and the distribution of its zeroes on the complex θ plame leads to a first order phase transition at θ=π. In the other hand, this first order thase transition disappears, but definite conclusion concerning the transition is not reached due to large errors.
- 理論物理学刊行会の論文
- 1996-01-25
著者
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Hassan Ahmed
Department Of Agricultural Engineering Faculty Of Agriculture Tottori University
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Imachi M
Department Of Physics Yamagata University
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Tsuzuki Norimasa
Department Of Physics Kyushu University
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Tsuzuki Norimasa
Department Of Breast Oncology Aichi Cancer Center Hospital
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Imachi Masahiro
Department Of Physics Kyushu University
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Hassan Ahmed
Department Of Physics Kyushu University
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Yoneyama Hiroshi
Department Of Applied Chemistry Faculty Of Engineerig Osaka University
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HASSAN Ahmed
Department of Physics, Kyushu University
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IMACHI Masahiro
Departmnet of Physics,Kyushu University
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IMACHI Masahiro
Department of Physics, Kyusyu University
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TSUZUKI Norimasa
Department of Physics, Saga University
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Yoneyama Hiroshi
Department of Applied Chemisrty, Faculty of Engineering, Osaka University
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