Soliton-like excitations and solectrons in two-dimensional nonlinear lattices

A. P. Chetverikov, W. Ebeling () and M. G. Velarde

The European Physical Journal B: Condensed Matter and Complex Systems, 2011, vol. 80, issue 2, 137-145

Abstract: We discuss here the thermal excitation of soliton-like supersonic, intrinsic localized modes in two-dimensional monolayers of atoms imbedded into a heat bath. These excitations induce local electrical polarization fields at the nano-scale in the lattice which influence electron dynamics, thus leading to a new form of trapping. We study the soliton-mediated electron dynamics in such systems at moderately high temperatures and calculate the density of embedded electrons in a suitable adiabatic approximation. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2011

Date: 2011
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DOI: 10.1140/epjb/e2010-10604-0

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