55 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Lomonosov Moscow State UniversityRU11 papers
- Russian Quantum CenterRU8 papers
- Moscow Institute of Physics and TechnologyRU6 papers
- Russian Academy of SciencesRU5 papers
- Prokhorov General Physics InstituteRU4 papers
- Crimean Astrophysical ObservatoryUA3 papers
- Research Institute of Agriculture of CrimeaRU3 papers
- Astronomical Institute of the Slovak Academy of SciencesSK2 papers
- Austrian Academy of SciencesAT2 papers
- Bundesdeutsche Arbeitsgemeinschaft für Veränderliche SterneDE2 papers
- Hungarian Astronomical AssociationHU2 papers
- Institute for Information Transmission ProblemsRU2 papers
27 papers
Gas of thin tubes of massless scalar field as a possible model of unified dark fluid
Alexander Lelyakov, Stepan Lelyakov
In this work, we investigated the influence of constants that characterize the motion of thin tubes of a massless scalar field (TToMSF) in a gas on the global properties of such a…
Nanometer thick magneto-optical iron garnet films
Nika Gribova, Sebastyan Osmanov, Sergey Lyashko +8
Here we demonstrate nanometer thick iron garnet films suitable for the magneto-optical applica-tions. Bismuth-substituted iron garnet films of compositions Bi{_1}Y{_2}Fe{_5}O{_{12}…
Subgradient methods for non-smooth optimization problems with some relaxation of sharp minimum
S. S. Ablaev, D. V. Makarenko, F. S. Stonyakin +2
In this paper we propose a generalized condition for a sharp minimum, somewhat similar to the inexact oracle proposed recently by Devolder-Glineur-Nesterov. The proposed approach m…
On the nature of the anomalous event in 2021 in the dwarf nova SS Cygni and its multi-wavelength transition
Mariko Kimura, Shinya Yamada, Nozomi Nakaniwa +20
SS Cyg has long been recognized as the prototype of a group of dwarf novae that show only outbursts. However, this object has entered a quite anomalous event in 2021, which at firs…
Multiperiodic magnetoplasmonic gratings fabricated by the pulse force nanolithography
Savelii V. Lutsenko, Mikhail A. Kozhaev, Olga V. Borovkova +7
We propose a novel technique for the magnetoplasmonic nanostructures fabrication based on the pulse force nanolithography method. It allows one to create the high-quality magnetopl…
Adaptive Gradient-type Methods for Convex Optimization Problems with Relative Accuracy and Sharp Minimum
Fedor S. Stonyakin, Seydamet S. Ablaev, Inna V. Baran
In this paper, we consider gradient-type methods for convex positively homogeneous optimization problems with relative accuracy. An analogue of the accelerated universal gradient-t…
The inverse proximity effect in strong ferromagnet-superconductor structures
Vladimir Yagovtsev, Natalia Pugach, Matthias Eschrig
The magnetization in a superconductor induced due to the inverse proximity effect is investigated in hybrid bilayers containing a superconductor and a ferromagnetic insulator or a…
Surface lattice resonance based magneto-plasmonic switch in NiFe patterned nano-structure
H. Mbarak, S. M. Hamidi, V. I. Belotelov +3
In this work, a 2D magneto-plasmonic grating structure combining materials with ferromagnetic and plasmonic properties is demonstrated. NiFe composite ferromagnetic material, as an…
Orbital angular momentum and informational entropy in perturbed vortex beams
A. Volyar, M. Bretsko, Ya. Akimova +1
We theoretically and experimentally investigated transformations of vortex beams subjected to sector perturbations in the form of hard-edged aperture. The transformations of the vo…
Mirror Descent for Constrained Optimization Problems with Large Subgradient Values
Fedor Stonyakin, Alexey Stepanov, Alexander Gasnikov +1
Based on the ideas of arXiv:1710.06612, we consider the problem of minimization of the Holder-continuous non-smooth functional with non-positive convex (generally, non-smooth)…
New Version of Mirror Prox for Variational Inequalities with Adaptation to Inexactness
Fedor Stonyakin, Evgeniya Vorontsova, Mohammad Alkousa
Some adaptive analogue of the Mirror Prox method for variational inequalities is proposed. In this work we consider the adaptation not only to the value of the Lipschitz constant,…
Peculiarities of the Faraday effect in gold-nanodisk/iron-garnet heterostructures
A. N. Kuzmichev, D. A. Sylgacheva, M. A. Kozhaev +10
In this paper, matters considering the immersion of gold nanoparticles inside a magnetic medium are investigated experimentally and theoretically. Three samples with periodic array…
Resonances of the magneto-optical intensity effect mediated by interaction of different modes in a hybrid magnetoplasmonic heterostructure with gold nanoparticles
Anastasiya E. Khramova, Daria O. Ignatyeva, Mikhail A. Kozhaev +5
Here we demonstrate a novel smart magnetoplasmonic heterostructure for efficient control of light. It consists of gold nanoparticles embedded in a thin magnetic film covered with a…
The Quantum Relativity and Dynamical Spacetime
Peter Leifer
Quantum field theory (QFT) based on the principles of special relativity (SR) and it is in fact the \emph{kinematic theory of fields}. The root assumption is that there is "relativ…
Measurement of the vortex spectrum in a vortex-beam array without cuts and gluing of the wavefront
A. Volyar, M. Bretsko, Ya. Akimova +1
We presented a new method for measuring the squares of the amplitudes and phases of partial vortex-beams in a complex beam array in real time. The method is based on measuring the…
Asynchronous polar V1500 Cyg: orbital, spin and beat periods
E. P. Pavlenko, P. A. Mason, A. A. Sosnovskij +7
The bright Nova Cygni 1975 is a rare nova on a magnetic white dwarf (WD). Later it was found to be an asynchronous polar, now called V1500 Cyg. Our multisite photometric campaign o…
Generalized Mirror Prox for Monotone Variational Inequalities: Universality and Inexact Oracle
Fedor Stonyakin, Alexander Gasnikov, Pavel Dvurechensky +2
We introduce an inexact oracle model for variational inequalities (VI) with monotone operator, propose a numerical method which solves such VI's and analyze its convergence rate. A…
Giant peak of the Inverse Faraday effect in the band gap of magnetophotonic crystal
Mikhail A. Kozhaev, Alexander I. Chernov, Daria A. Sylgacheva +5
Optical impact on the spin system in a magnetically ordered medium provides a unique possibility for local manipulation of magnetization at subpicosecond time scales that is very p…
Spectroscopic time-series analysis of R Canis Majoris
H. Lehmann, V. Tsymbal, F. Pertermann +3
R Canis Majoris is the prototype of a small group of Algol-type stars showing short orbital periods and low mass ratios. A previous detection of short-term oscillations in its ligh…
One Mirror Descent Algorithm for Convex Constrained Optimization Problems with non-standard growth properties
Fedor S. Stonyakin, Alexander A. Titov
The paper is devoted to a special Mirror Descent algorithm for problems of convex minimization with functional constraints. The objective function may not satisfy the Lipschitz con…
Magnetoplasmonic Quasicrystals
Andrey N. Kalish, Roman S. Komarov, Mikhail A. Kozhaev +7
Nanostructured magneto-optical materials sustaining optical resonances open very efficient way for light control via magnetic field, which is of prime importance for telecommunicat…
A new method of measuring center-of-mass velocities of radially pulsating stars from high-resolution spectroscopy
N. E. Britavskiy, E. Pancino, V. Tsymbal +2
We present a radial velocity analysis of 20 solar neighborhood RR Lyrae and 3 Population II Cepheids variables. We obtained high-resolution, moderate-to-high signal-to-noise ratio…
The mutual transformations of fractional-order and integer-order optical vortices
C. N. Alexeyev, Yu. A. Egorov, A. V. Volyar
We consider the problem of singular beams in optics as a part of the general questions of interactions, shaping and transformations of vortex states with fractional topological cha…
Super pulses of orbital angular momentum in fractional-order spiroid vortex-beams
A. V. Volyar, Yu. A. Egorov
We consider optical properties of Hypergeometric-Gaussian beam compositions with spiral-like intensity and phase distributions that were called the spiroid beams. Their orbital ang…