lattice with Morse interactions. Topological defects are created in the
lattice by kicking three
Kolesnikov, I.D.,
Shcherbinin, S.A.,
Bebikhov, Yu.V.,
Korznikova, E.A.,
Shepelev, I.A.,
Kudreyko, A.A.,
Dmitriev, S.V. (2024) describe one of the possible mechanisms of energy dissipation by a
crystal lattice in a far
)
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