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 …
waves and vibrational defect-localized modes. It turns out that if a periodic discrete system is …
Дискретные бризеры в кристаллах
СВ Дмитриев, ЕА Корзникова, ЮА Баимова… - Успехи физических …, 2016 - ufn.ru
Давно известно, что периодические дискретные системы, содержащие дефекты,
допускают наличие как бегущих волн, так и колебательных мод, локализованных на …
допускают наличие как бегущих волн, так и колебательных мод, локализованных на …
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 …
vibrational mode (DNVM) can create chaotic discrete breathers (DBs) in a nonlinear lattice …
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 …
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 …
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 …
of molecular dynamics simulations with the use of the Tersoff interatomic potentials. It is …
[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 …
localized and time-periodic vibrational mode in a defect-free nonlinear lattice, eg, in a crystal …
Effect of discrete breathers on the specific heat of a nonlinear chain
M Singh, AY Morkina, EA Korznikova… - Journal of Nonlinear …, 2021 - Springer
A nonlinear chain with sixth-order polynomial on-site potential is used to analyze the
evolution of the total-to-kinetic-energy ratio during development of modulational instability of …
evolution of the total-to-kinetic-energy ratio during development of modulational instability of …
Highly symmetric discrete breather in a two-dimensional Morse crystal
EA Korznikova, SY Fomin, EG Soboleva, SV Dmitriev - JETP letters, 2016 - Springer
It has been shown recently that a moving discrete breathers localized in one close-packed
atomic row can be excited in a two-dimensional monoatomic crystal with Morse interaction …
atomic row can be excited in a two-dimensional monoatomic crystal with Morse interaction …
Discrete breathers in square lattices from delocalized nonlinear vibrational modes
EK Naumov, YV Bebikhov, EG Ekomasov… - Physical Review E, 2023 - APS
Standing and moving discrete breathers (or equally, intrinsic localized modes) in a square β-
Fermi-Pasta-Ulam-Tsingou lattice are obtained by applying localizing functions to the …
Fermi-Pasta-Ulam-Tsingou lattice are obtained by applying localizing functions to the …