Commensurate‐Incommensurate Transition in the Quasi‐One‐Dimensional Fröhlich Model with a Nearly Half‐Filled Band | Zendy

Mertsching J. | Zendy; Fischbeck H. J. | Zendy

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Commensurate‐Incommensurate Transition in the Quasi‐One‐Dimensional Fröhlich Model with a Nearly Half‐Filled Band

Author(s) -

Mertsching J.,

Fischbeck H. J.

Publication year - 1980

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2220990103

Subject(s) - condensed matter physics , charge density wave , phase transition , harmonics , transition point , field (mathematics) , plane (geometry) , physics , quantum mechanics , geometry , mathematics , thermodynamics , superconductivity , voltage , pure mathematics

The mean‐field approximation of the commensurate‐incommensurate (C‐IC) phase transition in the one‐dimensional Fröhlich model with a nearly half‐filled band is studied near Leung's triple point, including up to 19 harmonics of the charge‐density wave. The C‐IC transition appears to be discontinuous, and the C and 1C phases coexist in a small region of the temperature‐density plane.

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