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 …

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 …

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 …

Energy transfer in strained graphene assisted by discrete breathers excited by external ac driving

I Evazzade, IP Lobzenko, EA Korznikova, IA Ovid'ko… - Physical Review B, 2017 - APS
In the present molecular-dynamics study, external ac driving is used at frequencies outside
the phonon spectrum to excite gap DBs in uniformly strained graphene nanoribbon …

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 …

Low-energy channel for mass transfer in Pt crystal initiated by molecule impact

RI Babicheva, I Evazzade, EA Korznikova… - Computational Materials …, 2019 - Elsevier
Crystal surface bombardment by atoms or molecules, neutral or ionized, occurs both in
ambient conditions and in many technological operations, such as surface plasma …

Supersonic N-Crowdions in a Two-Dimensional Morse Crystal

SV Dmitriev, EA Korznikova, AP Chetverikov - Journal of Experimental and …, 2018 - Springer
An interstitial atom placed in a close-packed atomic row of a crystal is called crowdion. Such
defects are highly mobile; they can move along the row, transferring mass and energy. We …

Breathing subsonic crowdion in Morse lattices

AP Chetverikov, IA Shepelev, EA Korznikova… - Computational …, 2017 - Elsevier
Based on molecular dynamics simulations, we discuss dynamics of nonlinear localized
excitations in two-dimensional crystal with Morse interatomic interactions and without on-site …

Mass transfer in the Frenkel-Kontorova chain initiated by molecule impact

A Moradi Marjaneh, D Saadatmand, I Evazzade… - Physical Review E, 2018 - APS
The Frenkel-Kontorova chain with a free end is used to study initiation and propagation of
crowdions (antikinks) caused by impact of a molecule consisting of K atoms. It is found that …