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Prog. Theor. Phys. Vol. 68 No. 1 (1982) pp. 1-18
Diagrammatical Approach to Functional Integral Method in a One-Dimensional Peierls System
Ken'ichi Takano
Department of Engineering Science, Faculty of Engineering, Hokkaido University, Sapporo 060
(Received January 22, 1982)
Abstract:
A systematic method constructing functional integral representations of partition function and of the correlation function in a one-dimensional Peierls system is presented. This method is methodologically analogous to a star diagram method for superconductors developed by Gaudin and Langer. Also an effective Hamiltonian for CDW at finite temperatures is extracted from these functional integral representations. This Derivation justifies an effective phase mode Hamiltonian at T=0 introduced by Fukuyama through intuitive consideration.
URL :
http://ptp.ipap.jp/link?PTP/68/1/
DOI : 10.1143/PTP.68.1
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Citing Article(s) :
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Journal of the Physical Society of Japan 59 (1990) pp. 1711-1722
:
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Effective Hamiltonian for Spin Density Wave States
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Yoshikazu Suzumura
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Progress of Theoretical Physics Vol. 69 No. 4 (1983) pp. 1299-1303
:
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The Equivalence of the Hubbard-Stratonovich and the Takano-Langer-Gaudin Transformations for a One-Dimensional Peierls System
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L. G. Caron and C. Bourbonnais
