activity
19982024
most citedThe saddle-point exciton signature on high harmonic generation in 2D hexagonal nanostructures

15 citations · 60 across the 13 of their papers we have counts for

collaborators

13 papers

cond-mat.mes-hall2024★ 8 cited

Berry curvature and shift vector effects at high-order wave mixing in biased bilayer graphene

H. K. Avetissian, H. H. Matevosyan, G. F. Mkrtchian

In this work, we present a microscopic quantum theory that elucidates the nonlinear and nonperturbative optical response of biased bilayer graphene subjected to bichromatic strong…

physics.optics2023

Disorder-induced effects in high-harmonic generation process in fullerene molecules

H. K. Avetissian, S. Sukiasyan, H. H. Matevosyan +1

The objective of this article is to investigate the profound nonlinear optical response exhibited by inversion symmetric fullerene molecules under the influence of different types…

cond-mat.mes-hall2022★ 15 cited

The saddle-point exciton signature on high harmonic generation in 2D hexagonal nanostructures

H. K. Avetissian, S. S. Israelyan, H. H. Matevosyan +1

The disclosure of basic nonlinear optical properties of graphene-like nanostructures with correlated electron-hole nonlinear dynamics over a wide range of frequencies and pump fiel…

cond-mat.mes-hall2020★ 4 cited

Free electron nanolaser based on the graphene plasmons

H. K. Avetissian, B. R. Avchyan, G. F. Mkrtchian +1

In this paper, a possible way to achieve lasing from THz to extreme UV domain due to stimulated scattering of graphene plasmons on the free electrons is considered. The analytical-…

cond-mat.mes-hall2020

Induced by coherent THz-radiation high harmonics generation in bilayer graphene at high Fermi energies

A. G. Ghazaryan, H. H. Matevosyan, Kh. V. Sedrakian

The higher order harmonic generation process in the nonperturbative regime at the interaction of coherent electromagnetic radiation with the AB-stacked bilayer graphene at high Fer…

cond-mat.mes-hall2020★ 4 cited

Second and third harmonics generation by coherent sub-THz radiation at induced Lifshitz transitions in gapped bilayer graphene

A. G. Ghazaryan, H. H. Matevosyan, Kh. V. Sedrakian

Using the microscopic nonlinear quantum theory of interaction of strong coherent electromagnetic radiation with a gapped bilayer graphene is developed for high harmonic generation…

physics.plasm-ph2015

Ultrarelativistic electron bunches of solid densities and nuclear radiation from nanolayers-plasma-targets under superintense laser pulses

H. K. Avetissian, H. H. Matevosyan, G. F. Mkrtchian +1

We consider nonlinear interaction of superpower laser pulses of relativistic intensities with nanolayers and solid-plasma-targets towards the production of high energy-density elec…

physics.plasm-ph2015

Nonlinear absorption of high-intensity shortwave radiation in plasma within relativistic quantum theory

H. K. Avetissian, A. G. Ghazaryan, H. H. Matevosyan +1

On the base of the quantum kinetic equation for density matrix in plasma at the stimulated bremsstrahlung of electrons on ions, the nonlinear absorption rate for high-intensity sho…

physics.plasm-ph2013★ 11 cited

Dielectric function of a collisional plasma for arbitrary ionic charge

H. B. Nersisyan, M. E. Veysman, N. E. Andreev +1

A simple model for the dielectric function of a completely ionized plasma with an arbitrary ionic charge, that is valid for long-wavelength high-frequency perturbations is derived…

physics.plasm-ph2012★ 2 cited

An exact solution of the moving boundary problem for the relativistic plasma expansion in a dipole magnetic field

H. B. Nersisyan, K. A. Sargsyan, D. A. Osipyan +1

An exact analytic solution is obtained for a uniformly expanding, neutral, highly conducting plasma sphere in an ambient dipole magnetic field with an arbitrary orientation of the…

physics.plasm-ph2011★ 6 cited

Self-similar analytical model of the plasma expansion in a magnetic field

H. B. Nersisyan, K. A. Sargsyan, D. A. Osipyan +2

The study of hot plasma expansion in a magnetic field is of interest for many astrophysical applications. In order to observe this process in laboratory, an experiment is proposed…

physics.plasm-ph2011★ 10 cited

Scattering and Transformation of Waves on Heavy Particles in Magnetized Plasma

Hrachya B. Nersisyan

The scattering and transformation of the waves propagating in magnetized plasma on a heavy stationary charged particle located at a plane plasma-vacuum boundary is considered. The…

physics.class-ph1998

The Dynamics of Charges Induced by a Charged Particle Traversing a Dielectric Slab

H. B. Nersisyan

We studied the dynamics of surfacea and wake charges induced by a charged particle traversing a dielectric slab. It is shown that after the crossing of the slab first boundary, the…