Properties of the CDW Ordered State in Coupled Chains of the BGD Model
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概要
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The free energy of the charge density wave (CDW) ordered state is calculated in a system of the Coulomb-type interaction between chains with intrachain interactions represented by the model of Bychkov, Gor'kov and Dzyaloshinskii (BGD). At low temperatures, the hamiltonian is treated in the self-consistent phonon approximation (SCPA), whereas the hamiltonian is treated in the mean-field approximation (MA) near the second-order phase transition temperature (T_e). The quantum effect is investigated by calculating the order parameter and the specific heat.
- 理論物理学刊行会の論文
- 1979-08-25
著者
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Suzumura Y
名古屋大 大学院理学研究科
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Suzumura Yoshikazu
Department Of Physics Faculty Of Science Tohoku University
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SUZUMURA Yoshikazu
Department of Physics, Faculty of Science Tohoku University
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