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25 papers · 1 filter
Electric-current-assisted nucleation of zero-field hopfion rings
Xiaowen Chen, Dongsheng Song, Filipp N. Rybakov +9
Magnetic hopfions are three-dimensional topological solitons -- knotted, vortex-like spin configurations. In chiral magnets, hopfions can appear as isolated structures or they can…
Formation of droplets of the order parameter and superconductivity in inhomogeneous Fermi-Bose mixtures (Brief review)
M. Yu. Kagan, S. V. Aksenov, A. V. Turlapov +6
The studies of a number of systems treated in terms of an inhomogeneous (spatially separated) Fermi-Bose mixture with superconducting clusters or droplets of the order parameter in…
Nanoclusters and nanoscale voids as possible sources of increasing dark current in high-gradient vacuum breakdown
I. I. Musiienko, S. O. Lebedynskyi, R. I. Kholodov
The potential barrier model considering an additional current that can lead to the high-gradient breakdowns in accelerating structures is proposed. An oscillatory resonance feature…
Optical properties of graphane in infrared range
E. I. Preobrazhensky, I. V. Oladyshkin, M. D. Tokman
The theory of optical effects in hydrogenated graphene (graphane) in terahertz and infrared range is developed, including the analysis of complex conductivity, reflection coefficie…
Polarized light emission from graphene induced by terahertz pulses
I. V. Oladyshkin, S. B. Bodrov, A. V. Korzhimanov +5
Spontaneous optical emission of graphene irradiated by intense single-cycle terahertz pulses was investigated experimentally and explained theoretically. We found that emitted phot…
Collective excitations and universal broadening of cyclotron absorption in Dirac semimetals in a quantizing magnetic field
D. I. Yasnov, A. P. Protogenov, P. M. Echenique +1
The spectrum of electromagnetic collective excitations in Dirac semimetals placed in a quantizing magnetic field is considered. We have found the Landau damping regions using the e…