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 …

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 …

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 …

Moving discrete breathers in bcc metals V, Fe and W

RT Murzaev, AA Kistanov, VI Dubinko… - Computational Materials …, 2015 - Elsevier
By means of molecular dynamics simulations it is demonstrated that moving discrete
breathers (DBs) can be excited in pure bcc metals such as V, Fe and W. For each of the …

Interaction of discrete breathers with primary lattice defects in bcc Fe

DA Terentyev, AV Dubinko, VI Dubinko… - … and Simulation in …, 2015 - iopscience.iop.org
The interaction of discrete breathers with the primary lattice defects in transition metals such
as vacancy, dislocation, and surface is analyzed on the example of bcc iron employing …

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 …

Moving discrete breathers in a monoatomic two-dimensional crystal

AA Kistanov, RT Murzaev, SV Dmitriev, VI Dubinko… - JETP letters, 2014 - Springer
Moving Discrete Breathers in a Monoatomic Two Dimensional Crystal Page 1 ISSN 0021
3640, JETP Letters, 2014, Vol. 99, No. 6, pp. 353–357. © Pleiades Publishing, Ltd., 2014 …

Long range annealing of defects in germanium by low energy plasma ions

JFR Archilla, SMM Coelho, FD Auret, VI Dubinko… - Physica D: Nonlinear …, 2015 - Elsevier
Ions arriving at a semiconductor surface with very low energy (2–8 eV) are interacting with
defects deep inside the semiconductor. Several different defects were removed or modified …

Discrete breathers in 2D and 3D crystals

SV Dmitriev, AP Chetverikov… - Physica status solidi (b …, 2015 - Wiley Online Library
Discrete breathers (DB) are spatially localized, large‐amplitude vibrational modes in defect‐
free nonlinear lattices. Recent numerical and experimental studies have confirmed that DB …

Interaction of propagating discrete breathers with a vacancy in a two-dimensional crystal

AA Kistanov, SV Dmitriev, AS Semenov… - Technical Physics …, 2014 - Springer
The interaction of discrete breathers (DBs) propagating along a close-packed atomic row
with a vacancy situated in the same row has been studied by molecular dynamics in a two …