Renormalized Kink and Peierls Potential in a Nonlinear Lattice —Statistical Mechanical Approach—

Toyonori Munakata; Akito Igarashi

doi:10.1143/JPSJ.58.4019

Journal of the Physical Society of Japan

Online ISSN : 1347-4073
Print ISSN : 0031-9015
ISSN-L : 0031-9015

Renormalized Kink and Peierls Potential in a Nonlinear Lattice —Statistical Mechanical Approach—

Toyonori Munakata, Akito Igarashi

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1989 Volume 58 Issue 11 Pages 4019-4024

DOI https://doi.org/10.1143/JPSJ.58.4019

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Abstract

Peierls potential for a kink in a nonlinear lattice system is investigated from a statistical mechanical point of view. A kink with phonon-dressing e.g. a renormalized kink is obtained in a self-consistent manner. Our results are compared with numerical simulations.

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