Lattice Dynamics of an Ahnarmonic Chain -a Fully-Self-Consistent Approach-
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概要
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Displacement-displacement dynamical correlation functions of an anharmonicchain are calculated with the use of the formalism of the self-consistent-phonontheory given by G6tze and Michel. The memory function in this formalism iscalculated by two methods. One is a lowest order perturbation approximation. Theother is a fully-self-consistent approximation for the memory function based on themode-mode coupling approximation. The results of these approximations are com-pared with the simulation results of our molecular dynamics calculations, and the ap-plicability and limitation of the SCP theory are examined.
- 社団法人日本物理学会の論文
- 1985-11-15
著者
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KANEKO Yutaka
Department of Applied Analysis and Complex Dynamical Systems, Graduate School of Informatics, Kyoto
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Igarashi Akito
Department Of Applied Mathematics And Physics Faculty Of Engineering Kyoto University
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Munakata Toyonori
Faculty Of Engineering Tottori University
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