Influence of quantum lattice fluctuations on the stability of large polarons in anisotropic electron-phonon systems

Danijela Ljuić and Zoran Ivić
Phys. Rev. B 76, 052302 – Published 22 August 2007
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    Abstract

    We discuss the stability of large polarons in anisotropic media taking into account small-polaron narrowing of the electron band. It was shown that electron-phonon interaction may cause an additional anisotropy of the electron overlap integrals. Large-polaron stability in realistic substances is interpreted in terms of these results.

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    • Received 18 April 2007

    DOI:https://doi.org/10.1103/PhysRevB.76.052302

    ©2007 American Physical Society

    Authors & Affiliations

    Danijela Ljuić and Zoran Ivić*

    • Laboratory for Theoretical and Condensed Matter Physics-020, “Vinča” Institute of Nuclear Sciences, P.O. Box 522, 11001 Belgrade, Serbia

    • *zivic@vin.bg.ac.yu

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    Vol. 76, Iss. 5 — 1 August 2007

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