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lattice with Morse interactions. Topological defects are created in the lattice by kicking three

describe one of the possible mechanisms of energy dissipation by a crystal lattice in a far

НОВЫЕ ТИПЫ ОДНОМЕРНЫХ ДИСКРЕТНЫХ БРИЗЕРОВ В ДВУМЕРНОЙ РЕШЕТКЕNEW TYPES OF ONE-DIMENSIONAL DISCRETE BREATHERS IN A TWO-DIMENSIONAL LATTICE

) lattice is analyzed. These solutions take the form of delocalized nonlinear vibrational modes (DNVMs

Delocalized nonlinear vibrational modes (DNVMs) in crystals are precise solutions to the equations

-free crystal lattice. In this work, for the first time, two-dimensional DBs based on a two

with point defects in the tungsten crystal lattice. Molecular dynamics simulation shows that the presence

with point defects in the tungsten crystal lattice. Molecular dynamics simulation shows that the presence

mode in a defect free nonlinear lattice, is related to their ability to localize vibrational energy

modes in a defect free nonlinear crystal lattice, i.e., discrete breathers (DBs). For that, dynamics

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