Head-on and head-off collisions of discrete breathers in two-dimensional anharmonic crystal lattices

Collisions of discrete breathers (DB) moving toward each other along neighboring close packed atomic rows in a 2D crystal lattice are investigated by molecular dynamics computer simulations. It is shown that a DB can draw energy from the other and emerge from the collision with amplitude much greate...

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Bibliographic Details
Published inThe European physical journal. B, Condensed matter physics Vol. 87; no. 9
Main Authors Kistanov, Andrei A., Dmitriev, Sergey V., Chetverikov, Alexander P., Velarde, Manuel G.
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 01.09.2014
Springer
Subjects
Complex Systems
Condensed Matter Physics
Fluid- and Aerodynamics
Physics
Physics and Astronomy
Regular Article
Solid State Physics
Solid State and Materials
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Summary:Collisions of discrete breathers (DB) moving toward each other along neighboring close packed atomic rows in a 2D crystal lattice are investigated by molecular dynamics computer simulations. It is shown that a DB can draw energy from the other and emerge from the collision with amplitude much greater than its initial amplitude.
ISSN:1434-6028
1434-6036
DOI:10.1140/epjb/e2014-50343-6