32 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Yerevan State UniversityAM8 papers
- Institute for Informatics and Automation ProblemsAM3 papers
- Tomsk Polytechnic UniversityRU3 papers
- A. Alikhanyan National LaboratoryAM2 papers
- National Research Nuclear University MEPhIRU2 papers
- Belgorod National Research UniversityRU1 paper
- Helmholtz-Zentrum Dresden-RossendorfDE1 paper
- Institute of Physics, Academia SinicaTW1 paper
- Institute of Radiophysics and ElectronicsAM1 paper
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIT1 paper
- Joint Institute for Nuclear ResearchRU1 paper
- National Academy of Sciences of ArmeniaAM1 paper
30 papers
Canonic hemoglobin-oxygen equilibrium: Reassessing the role of cooperativity
A. E. Allahverdyan, S. G. Gevorkian, A. Harutyunyan +2
Hemoglobin-oxygen equilibrium is normally studied within the grand canonical ensemble, which assumes that each hemoglobin is immersed in a reservoir of unbound oxygen molecules of…
Coherent radiation from a chain of charged particles on a circular orbit around a dielectric ball
L. Sh. Grigoryan, A. H. Mkrtchyan, S. B. Dabagov +5
We investigate the electromagnetic radiation from a chain of relativistic charged particles uniformly rotating along equatorial orbit around a dielectric ball. For weak absorption…
Cosmological evolution with negative energy densities
A. A. Saharian, R. M. Avagyan, E. R. Bezerra de Mello +3
For general number of spatial dimensions we investigate the cosmological dynamics driven by a cosmological constant and by a source with barotropic equation of state. It is assumed…
Photon cooling: linear vs nonlinear interactions
A. Hovhannisyan, V. Stepanyan, A. E. Allahverdyan
Linear optics imposes a relation that is more general than the second law of thermodynamics: For modes undergoing a linear evolution, the full mean occupation number (i.e. photon n…
Self-amplification of radiation from an electron bunch inside a waveguide filled with periodic medium
A. R. Mkrtchyan, L. Sh. Grigoryan, A. A. Saharian +3
We investigate the radiation from a bunch of relativistic electrons moving along the cylindrical waveguide axis, assuming that the waveguide is partially loaded by a medium with pe…
Angular distribution of high power radiation from a charge rotating around a dielectric ball
L. Sh. Grigoryan, A. A. Saharian, H. F. Khachatryan +3
We study the angular distribution of the radiation from a relativistic charged particle uniformly rotating along an equatorial orbit around a dielectric ball. Earlier it was shown…
Synchrotron radiation from a charge circulating around a cylinder with negative permittivity
A. A. Saharian, A. S. Kotanjyan, L. Sh. Grigoryan +2
We investigate the radiation from a charged particle rotating around a dielectric cylinder with a negative real part of dielectric permittivity. For the general case of frequency d…
Fermionic condensate and the Casimir effect in cosmic string spacetime
A. Kh. Grigoryan, A. R. Mkrtchyan, A. A. Saharian
We investigate combined effects of nontrivial topology, induced by a cosmic string, and boundaries on the fermionic condensate and the vacuum expectation value (VEV) of the energy-…
Synchrotron and Smith-Purcell radiations from a charge rotating around a cylindrical grating
A. A. Saharian, A. S. Kotanjyan, A. R. Mkrtchyan +1
We investigate the radiation from a charge rotating around conductors with cylindrical symmetry. First the problem is considered with a charge rotating around a conducting cylinder…
Transition radiation on a dynamical periodical interface
A. R. Mkrtchyan, A. P. Potylitsyn, V. R. Kocharyan +1
We investigate the transition radiation on a periodically deformed interface between two dielectric media. Under the assumption that the dielectric permittivities of the media are…
Self-amplified Cherenkov radiation from a relativistic electron in a waveguide partially filled with a laminated material
L. Sh. Grigoryan, A. R. Mkrtchyan, H. F. Khachatryan +2
The radiation from a relativistic electron uniformly moving along the axis of cylindrical waveguide filled with laminated material of finite length is investigated. Expressions for…
Optical transition radiation in presence of acoustic waves for an oblique incidence
A. R. Mkrtchyan, V. V. Parazian, A. A. Saharian
Forward transition radiation is considered in an ultrasonic superlattice excited in a finite thickness plate under oblique incidence of relativistic electrons. We investigate the i…
Synchrotron radiation inside a dielectric cylinder
A. A. Saharian, A. S. Kotanjyan
We investigate the electromagnetic fields generated by a charged particle rotating inside a dielectric cylinder immersed into a homogeneous medium. The expressions for the bound mo…
Radiation from a charged particle flying through a dielectric ball
Svetlana R. Arzumanyan
The radiation from a relativistic charged particle uniformly moving through the centre of a dielectric ball is investigated. Analytical expressions for spectral and spectral-angula…
Optical transition radiation in presence of acoustic waves
A. R. Mkrtchyan, V. V. Parazian, A. A. Saharian
Transition radiation from relativistic electrons is investigated in an ultrasonic superlattice excited in a finite thickness plate. In the quasi-classical approximation formulae ar…
Some features of electromagnetic field of charged particle revolving about dielectric ball
S. R. Arzumanyan, L. Sh. Grigoryan, H. F. Khachatryan +1
A relativistic electron uniformly rotating along an equatorial orbit around a dielectric ball may generate Cherenkov radiation tens of times more intense as that in case of revolut…
Radiation from a charged particle-in-flight from a laminated medium to vacuum
L. Sh. Grigoryan, A. R. Mkrtchyan, H. F. Khachatryan +2
The radiation from a charged particle-in-flight from a semi-infinite laminated medium to vacuum and back,- from vacuum to the laminated medium, has been investigated. Expressions f…
Predicted thermal superluminescence in low-pressure air
A. R. Aramyan, K. P. Haroyan, G. A. Galechyan +2
It is shown that due to the dissociation of the molecular oxygen it is possible to obtain inverted population in low pressure air by heating. As a result of the quenching of the co…
Three-leg correlations in the two component spanning tree on the upper half-plane
S. Y. Grigorev, V. S. Poghosyan, V. B. Priezzhev
We present a detailed asymptotic analysis of correlation functions for the two component spanning tree on the two-dimensional lattice when one component contains three paths connec…
Coherent bremsstrahlung in periodically deformed crystals with a complex base
A. R. Mkrtchyan, A. A. Saharian, V. V. Parazian
In the present paper we investigate coherent bremsstrahlung of high energy electrons moving in a periodically deformed single crystal with a complex base. The formula for correspon…
Electromagnetic field and radiation for a charge moving along a helical trajectory inside a waveguide with dielectric filling
A. S. Kotanjyan, A. A. Saharian
We investigate the electromagnetic field generated by a point charge moving along a helical trajectory inside a circular waveguide with conducting walls filled by homogeneous diele…
Coherent pair production in deformed crystals with a complex base
A. R. Mkrtchyan, A. A. Saharian, V. V. Parazian
We investigate the coherent electron-positron pair creation by high-energy photons in a periodically deformed single crystal with a complex base. The formula for the corresponding…
High power Cherenkov radiation from a relativistic particle rotating around a dielectric ball
L. Sh. Grigoryan, H. F. Khachatryan, S. R. Arzumanyan +1
Some characteristic features in the radiation from a relativistic electron uniformly rotating along an equatorial orbit around a dielectric ball have been studied. It was shown tha…
Synchrotron radiation from a charge moving along a helical orbit inside a dielectric cylinder
A. A. Saharian, A. S. Kotanjyan
The radiation emitted by a charged particle moving along a helical orbit inside a dielectric cylinder immersed into a homogeneous medium is investigated. Expressions are derived fo…