343 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Institute for Physical ResearchAM22 papers
- Moscow Institute of Physics and TechnologyRU10 papers
- A. Alikhanyan National LaboratoryAM9 papers
- Yerevan State UniversityAM9 papers
- University of IcelandIS8 papers
- Centre National de la Recherche ScientifiqueFR6 papers
- ITMO UniversityRU6 papers
- Tomsk Polytechnic UniversityRU6 papers
- Dublin Institute For Advanced StudiesIE5 papers
- Kavli Institute for the Physics and Mathematics of the UniverseJP5 papers
- Sorbonne UniversitéFR5 papers
- The University of TokyoJP5 papers
24 papers · 1 filter
Charge Transport Modeling of CdSe/ZnS core/shell Quantum Nanorod Light-Emitting Diodes
A. G. Melkonyan, G. A. Mantashian, D. B. Hayrapetyan
In this study, we investigate the electronic structure, charge transport dynamics, and optical properties of a quantum dot light-emitting diode (QD-LED) featuring a double nanorod…
Quantum Dot Behaviour under the Influence of Non-Resonant Structured Laser Beams
T. A. Sargsian, P. A. Mantashyan, D. B. Hayrapetyan
The study investigates and compares the impact of intense, non-diffractive, non-resonant structured laser beams with various intensity profiles on the properties of InAs/GaAs cylin…
The Role of Geometry in Tailoring the Linear and Nonlinear Optical Properties of Semiconductor Quantum Dots
Grigor A. Mantashian
The paper aims to reveal the relationship between the geometrical features and linear and nonlinear optical properties of InAs quantum dots (QDs). This problem is justified by the…
Impurity effects on binding energy, diamagnetic susceptibility and photoionization cross-section of chalcopyrite AgInSe2 Nanotadpole
Grigor A. Mantashian, David B. Hayrapetyan
Recently the interest in chalcopyrite semiconductor nanostructures has increased because of their non-toxicity and their wide direct bandgap. Likewise, structures with non-trivial…
Theory of nonlinear excitonic response of hybrid organic perovskites in the regime of strong light-matter coupling
A. D. Belogur, D. A. Baghdasaryan, I. V. Iorsh +2
We present a quantitative study of the nonlinear optical response of layered perovskites placed inside planar photonic microcavities in the regime of strong light matter coupling,…
Tunable strongly interacting dipolar excitons in hybrid perovskites
D. A. Baghdasaryan, E. S. Hakobyan, D. B. Hayrapetyan +3
We study theoretically the excitonic nonlinearity in hybrid organic-inorganic Ruddlesden-Popper perovskite thin films. The composite layered structure of these materials allows for…
Comparing two different descriptions of the I-V characteristic of graphene: theory and experiment
A. Panferov, S. Smolyansky, D. Blaschke +1
The formalism of the nonperturbative description of transport phenomena in graphene on the framework of the quantum kinetic equation for the Schwinger-like process is compared with…
Exciton-exciton interaction in transition-metal dichalcogenide monolayers
V. Shahnazaryan, I. Iorsh, I. A. Shelykh +1
We study theoretically the Coulomb interaction between excitons in transition metal dichalcogenide (TMD) monolayers. We calculate direct and exchange interaction for both ground an…
Spaser quenching by off-resonant plasmon modes
L. S. Petrosyan, T. V. Shahbazyan
We study the effect of off-resonant plasmon modes on spaser threshold in nanoparticle-based spasers. We develop an analytical semiclassical model and derive spaser threshold condit…
Resonance fluorescence from an asymmetric quantum dot dressed by a bichromatic electromagnetic field
G. Yu. Kryuchkyan, V. Shahnazaryan, O. V. Kibis +1
We present the theory of resonance fluorescence from an asymmetric quantum dot driven by a two-component electromagnetic field with two different frequencies, polarizations and amp…
Attractive Coulomb interaction of 2D Rydberg excitons
V. Shahnazaryan, I. A. Shelykh, O. Kyriienko
We analyze theoretically the Coulomb scattering processes of highly excited excitons in the direct bandgap semiconductor quantum wells. We find that contrary to the interaction of…
Strong coupling regime in coherent electron transport in periodic quantum nanostructures
L. S. Petrosyan, T. V. Shahbazyan
We study coherent transport in a system of a periodic linear chain of quantum dots placed between two parallel quantum wires. We show that resonant-tunneling conductance between th…
Spin currents of exciton polaritons in a microcavity with (110)-oriented quantum well
V. Shahnazaryan, S. Morina, S. A. Tarasenko +1
We study the polarization optical properties of microcavities with embedded (110)-oriented quantum wells. The spin dynamics of exciton polaritons in such structures is governed by…
Spin-dependent coherent transport in a double quantum dot system
L. S. Petrosyan, T. V. Shahbazyan
We study spin-resolved resonant tunneling in a system of two quantum dots sandwiched between doped quantum wells. In the coherent (Dicke) regime, i.e., when quantum dot separation…
Direct Interband Light Absorption in Strongly Prolated Ellipsoidal Quantum Dots' Ensemble
K. G. Dvoyan, D. B. Hayrapetyan, E. M. Kazaryan
Within the framework of adiabatic approximation, the energy levels and direct interband light absorption in a strongly prolated ellipsoidal quantum dot are studied. Analytical expr…
Electronic States and Light Absorption in a Cylindrical Quantum Dot Having Thin Falciform Cross Section
Karen G. Dvoyan, David B. Hayrapetyan, Eduard M. Kazaryan +1
Energy level structure and direct light absorption in a cylindrical quantum dot, having thin falciform cross section, are studied within the framework of the adiabatic approximatio…
Adiabatic preparation of a cold exciton condensate
V Shahnazaryan, O Kyriienko, I Shelykh
We propose a scheme for the controllable preparation of a cold indirect exciton condensate using dipolaritonic setup with an optical pumping. Dipolaritons are bosonic quasiparticle…
Tracking electron pathways with magnetic field: Aperiodic Aharonov-Bohm oscillations in coherent transport through a periodic array of quantum dots
L. S. Petrosyan, T. V. Shahbazyan
We study resonant tunneling through a periodic square array of quantum dots sandwiched between modulation-doped quantum wells. If a magnetic field is applied parallel to the quantu…
Quasi-conical quantum dot: electron states and quantum transitions
Eduard Kazaryan, Lyudvig Petrosyan, Vanik Shahnazaryan +1
The exactly solvable model of quasi-conical quantum dot, having a form of spherical sector is proposed. Due to the specific symmetry of the problem the separation of variables in s…
Spin Magnetic Moment and Persistent Orbital Currents in Cylindrical Nanolayer
N. G. Aghekyan, S. M. Amirkhanyan, E. M. Kazaryan +1
Densities of persistent orbital and spin magnetic moment currents of an electron in a cylindrical nanolayer in the presence of external axial magnetic field are considered. For the…
Analytical and numerical calculations of spectral and optical characteristics of spheroidal quantum dots
A. A. Gusev, L. L. Hai, S. I. Vinitsky +5
In the effective mass approximation for electronic (hole) states of a spheroidal quantum dot with and without external fields the perturbation theory schemes are constructed in the…
Adiabatic description of nonspherical quantum dot models
A. A. Gusev, O. Chuluunbaatar, S. I. Vinitsky +6
Within the effective mass approximation an adiabatic description of spheroidal and dumbbell quantum dot models in the regime of strong dimensional quantization is presented using t…
Confined States of a Positronium in a Spherical Quantum Dot
Karen G. Dvoyan
Confined states of an electron-positron pair in the spherical quantum dot (QD) are theoretically investigated in three size-quantization (SQ) regimes: strong, weak and intermediate…
Dipole transitions and Stark effect in the charge-dyon system
Levon Mardoyan, Armen Nersessian, Hayk Sarkisyan +1
We consider the dipole transitions and the linear and quadratic Stark effect in the MICZ-Kepler system interpreting as a charge-dyon system. We show, that while the linear Stark ef…