Transition Temperature of Layered System of Isotropic Spin with n≧3 Components
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概要
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In the layered system of isotropic spin with n≧3 components, renormalization trajectories for reduced temperature and reduced interlayer coupling are derived at low temperatures. A critical line is located at the place where those trajectories are divided into two classes. The equation for the critical temperature as a function of the interlayer coupling is given as J'/J=(Λ^2/2e)[(4πeJ/k_BT_c)・exp(-4πJ/k_BT_c)]^<1/(n-2)>. In the limit n→∞, however, it is different from the transition temperature of spherical model. The reason for the discrepancy is discussed.
- 理論物理学刊行会の論文
- 1981-06-25
著者
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Ito Masakazu
Department of Applied Science, Faculty of Engineering, Kyushu University
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Ito Masakazu
Department Of Applied Science Faculty Of Engineering Kyushu University
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ITO Masakazu
Department of Physics, Nagoya University
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