Dynamics of surface graphene ripplocations on a flat graphite substrate

AV Savin, EA Korznikova, SV Dmitriev - Physical Review B, 2019 - APS
Surface and bulk ripplocations in layered nanomaterials have recently attracted the attention
of researchers because they possess the properties of topological solitons, which are …

Improving bending rigidity of graphene nanoribbons by twisting

AV Savin, EA Korznikova, SV Dmitriev - Mechanics of Materials, 2019 - Elsevier
The idea of switching from rigid silicon electronic devices to compact foldable devices have
been actively developing in recent years. It is a well established fact that introduction of twist …

Equilibration of sinusoidal modulation of temperature in linear and nonlinear chains

EA Korznikova, VA Kuzkin, AM Krivtsov, D Xiong… - Physical Review E, 2020 - APS
The equilibration of sinusoidally modulated distribution of the kinetic temperature is
analyzed in the β-Fermi-Pasta-Ulam-Tsingou chain with different degrees of nonlinearity …

Phonons scattering off discrete asymmetric solitons in the absence of a Peierls–Nabarro potential

D Saadatmand, AM Marjaneh, A Askari… - Chaos, Solitons & …, 2024 - Elsevier
We analyze the interaction of lattice vibrations (phonon wave-packets) with an asymmetric
kink soliton initially at rest. We employ the ϕ 6 model in one space and one time dimensions …

Wavelet imaging of transient energy localization in nonlinear systems at thermal equilibrium: The case study of NaI crystals at high temperature

A Riviere, S Lepri, D Colognesi, F Piazza - Physical Review B, 2019 - APS
In this paper we introduce a method to resolve transient excitations in time-frequency space
from molecular dynamics simulations. Our technique is based on continuous wavelet …

Longitudinal stiffness and thermal conductivity of twisted carbon nanoribbons

AV Savin, EA Korznikova, AM Krivtsov… - European Journal of …, 2020 - Elsevier
The effect of graphene nanoribbon twist on its lateral buckling resistance to axial
compression and on its thermal conductivity is analyzed with the help of molecular dynamics …

[HTML][HTML] Interaction of phonons with discrete breathers in one-dimensional chain with tunable type of anharmonicity

F Hadipour, D Saadatmand, M Ashhadi, AM Marjaneh… - Physics Letters A, 2020 - Elsevier
In this paper, we consider the interaction of small amplitude waves (phonons) with standing
discrete breather (DB) in the one-dimensional chain of harmonically coupled particles …

Assessment of discrete breathers in the metallic hydrides

V Dubinko, D Laptev, D Terentyev, SV Dmitriev… - Computational Materials …, 2019 - Elsevier
Computational assessment of the discrete breathers (also known as intrinsic localised
modes) is performed in nickel and palladium hydrides with an even stoichiometry by means …

Terahertz shifted Fano resonance-induced plasmon-soliton in graphene-plasmonic waveguide with magnetic impurities

MA Sharif, MHM Ara - Superlattices and Microstructures, 2020 - Elsevier
Fano resonance is a quantum effect particularly useful for determining the optical spectra of
semiconductor heterostructures and radiation enhancement of semiconductor-based …

Рассеяние фононов малой амплитуды на дискретных бризерах в цепочке Ферми-Паста-Улама-Цингоу

СВ Дмитриев, АЮ Моркина… - Вычислительная …, 2021 - journal.permsc.ru
В конденсированных средах существует два традиционно обсуждаемых вида
дисперсионных соотношений: бесщелевые фононные и с энергетической или …