Discrete breathers in crystals

SV Dmitriev, EA Korznikova, YA Baimova… - Physics …, 2016 - iopscience.iop.org
It is well known that periodic discrete defect-containing systems support both traveling
waves and vibrational defect-localized modes. It turns out that if a periodic discrete system is …

Nano-and microstructuring of solids by swift heavy ions

FF Komarov - Physics-Uspekhi, 2017 - iopscience.iop.org
We review the current stage of research of track formation processes and mechanisms in
materials irradiated by swift ions. We show that the nature and morphology of tracks depend …

Chaotic discrete breathers in bcc lattice

ID Kolesnikov, SA Shcherbinin, YV Bebikhov… - Chaos, Solitons & …, 2024 - Elsevier
It is well known that a modulationally unstable short-wavelength delocalized nonlinear
vibrational mode (DNVM) can create chaotic discrete breathers (DBs) in a nonlinear lattice …

Properties of discrete breathers in graphane from ab initio simulations

GM Chechin, SV Dmitriev, IP Lobzenko, DS Ryabov - Physical Review B, 2014 - APS
A density functional theory (DFT) study of the discrete breathers (DBs) in graphane (fully
hydrogenated graphene) was performed. To the best of our knowledge, this is the first …

Surface discrete breathers in Pt3Al intermetallic alloy

PV Zakharov, EA Korznikova, SV Dmitriev… - Surface Science, 2019 - Elsevier
It is known that defect-free crystals can support spatially localized, large amplitude
vibrational modes with frequencies outside the linear phonon spectrum. Such excitations are …

Discrete breathers in a triangular -Fermi-Pasta-Ulam-Tsingou lattice

RI Babicheva, AS Semenov, EG Soboleva… - Physical Review E, 2021 - APS
A practical approach to the search for (quasi-) discrete breathers (DBs) in a triangular β-
FPUT lattice (after Fermi, Pasta, Ulam, and Tsingou) is proposed. DBs are obtained by …

[HTML][HTML] Gap discrete breathers in strained boron nitride

E Barani, EA Korznikova, AP Chetverikov, K Zhou… - Physics Letters A, 2017 - Elsevier
Linear and nonlinear dynamics of hexagonal boron nitride (h-BN) lattice is studied by means
of molecular dynamics simulations with the use of the Tersoff interatomic potentials. It is …

Chaotic discrete breathers and their effect on macroscopic properties of triangular lattice

A Upadhyaya, MN Semenova, AA Kudreyko… - … in Nonlinear Science …, 2022 - Elsevier
The localization of energy on chaotic discrete breathers (DBs) arising in a two-dimensional
triangular lattice due to the modulation instability of delocalized nonlinear vibrational modes …

Discrete breathers in alpha-uranium

RT Murzaev, RI Babicheva, K Zhou… - The European Physical …, 2016 - Springer
Uranium is an important radioactive material used in the field of nuclear energy and it is
interesting from the scientific point of view because it possesses unique structure and …

[HTML][HTML] Localized vibrational modes in diamond

RT Murzaev, DV Bachurin, EA Korznikova, SV Dmitriev - Physics Letters A, 2017 - Elsevier
Discrete breather (DB) or, synonymously, intrinsic localized mode (ILM) is a spatially
localized and time-periodic vibrational mode in a defect-free nonlinear lattice, eg, in a crystal …