Properties of discrete breathers in 2D and 3D Morse crystals

A. Kistanov1, E. Korznikova2, S. Fomin3*, K. Zhou1§, S. Dmitriev2
1Nanyang Technological University, 639798, Singapore
2Institute for Metals Superplasticity Problems RAS, Khalturin St. 39, 450001 Ufa, Russia
3Ufa State Aviation Technical University, K. Marx St. 12, 450000 Ufa, Russia
Abstract
Based on the results of molecular dynamics simulations the characteristics of discrete breathers (DB) in two-dimensional (2D) and three-dimensional (3D) crystals with Morse long-range interatomic interactions are compared. It is demonstrated that DB in 3D crystal have higher frequencies and higher degree of localization than in 2D crystal.
Accepted: 27 January 2015
Views: 108   Downloads: 20
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