Electron and phonon correlations in systems of one-dimensional electrons coupled to phonons

Leiming Chen
Phys. Rev. B 78, 195119 – Published 19 November 2008

Abstract

Electron and phonon correlations in systems of one-dimensional electrons coupled to phonons are studied at low temperatures by emphasizing on the effect of electron-phonon backward scattering. It is found that the 2kF-wave components of the electron density and phonon displacement field share the same correlations. Both correlations are quasi-long-ranged for a single conducting chain coupled to one-dimensional or three-dimensional phonons, and they are long-ranged for repulsive electron-electron interactions for a three-dimensional array of parallel one-dimensional conducting chains coupled to three-dimensional phonons.

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  • Received 16 August 2008

DOI:https://doi.org/10.1103/PhysRevB.78.195119

©2008 American Physical Society

Authors & Affiliations

Leiming Chen

  • Institut für Theoretische Physik, Universität zu Köln, Zülpicher Strasse 77, D-50937 Köln, Germany

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Issue

Vol. 78, Iss. 19 — 15 November 2008

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