Journal
PHYSICA D-NONLINEAR PHENOMENA
Volume 240, Issue 24, Pages 1954-1959Publisher
ELSEVIER
DOI: 10.1016/j.physd.2011.09.005
Keywords
Lattice solitons; Morse lattice; Soliton collisions
Categories
Funding
- Spanish Ministerio de Ciencia e Innovacion [EXPLORA-FIS2009-06585-E]
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Nano-scale soliton-like supersonic, intrinsic localized excitations in two-dimensional atomic anharmonic lattice layers are here considered. We study the propagation, the velocity and other soliton-like features at head-on collisions of such lattice excitations created by using suitable initial mechanical and thermal conditions. Noteworthy is that narrow, highly-energetic solitons moving along one lattice row are very robust, accompanied by weak anti-phase oscillations in the lateral direction. (C) 2011 Elsevier B.V. All rights reserved.
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