Zobrazeno 1 - 10
of 158
pro vyhledávání: '"V. Koshevaya"'
Publikováno v:
2021 IEEE 32nd International Conference on Microelectronics (MIEL).
It is investigated theoretically a possibility of propagation of terahertz envelope solitons and collapsing pulses in narrow-gap semiconductors along a bias magnetic field. The quasi-relativistic electron nonlinearity is considered. The equivalence o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4ba95a2e25bad498bfdc5816236e866
https://doi.org/10.1109/miel52794.2021.9569078
https://doi.org/10.1109/miel52794.2021.9569078
Publikováno v:
2021 IEEE 32nd International Conference on Microelectronics (MIEL).
Nonlinear propagation of short terahertz pulses in the layered structures dielectric -graphene -dielectric … is investigated theoretically on the base of direct simulations of the Maxwell equations and the hydrodynamic equations for electrons in gr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9edc59dfc03e2f7ea808295ebc6ab10d
https://doi.org/10.1109/miel52794.2021.9569191
https://doi.org/10.1109/miel52794.2021.9569191
Autor:
Margarita Tecpoyotl-Torres, S. V. Koshevaya, V. V. Grimalsky, Yu.G. Rapoport, Jesus Escobedo-Alatorre
Publikováno v:
Optical and Quantum Electronics. 53
The nonlinear baseband electromagnetic pulses of a wide spectrum that covers the lower part of terahertz (THz) range are investigated theoretically in the paraelectric crystals like SrTiO3 at the moderately low temperatures 50–200 K. The frequency
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29602ef730a86851356f4fb7c55bf7dd
https://doi.org/10.1007/s11082-021-03104-6
https://doi.org/10.1007/s11082-021-03104-6
Publikováno v:
Radioelectronics and Communications Systems. 62:262-270
The excitation of short electric monopulses of space charge waves with wide frequency spectrum of terahertz range in nitride films has been theoretically investigated. The excitation of these pulses with duration ≤ 5 ps and high peak values of elec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f68fc0b758d371995f0c1e82b01f5be0
https://doi.org/10.3103/s0735272719060025
https://doi.org/10.3103/s0735272719060025
Autor:
Gennadiy N. Burlak, Svetlana V. Koshevaya, Masashi Hayakawa, J. Sánchez-Mondragón, Vladimir V. Grimalsky
Publikováno v:
Geofísica Internacional, Vol 38, Iss 4, Pp 261-268 (1999)
El fondo del mar puede propagar ondas acopladas de gravedad, acústicas y de Rayleigh. Se presentan expresiones para la dispersión y el flujo de energía, y se demustra que las ondas se dividen en dos ramas. La rama de lata velocidad tiene estructur
Externí odkaz:
https://doaj.org/article/614ab69a39354c4cb70e7cf1c9a9768a
Autor:
Vladimir V. Grimalsky, J. Sánchez-Mondragón, Masashi Hayakawa, Svetlana V. Koshevaya, Gennadiy N. Burlak
Publikováno v:
Geofísica Internacional, Vol 38, Iss 4, Pp 261-268 (1999)
It is shown that the Ocean-Earth crust interface can propagate gravity-sound Rayleigh waves. Dispersion properties of waves and flux of energy are derived. It is shown that the waves split into low and fast velocity branches. The fast branch has a mu
Externí odkaz:
https://doaj.org/article/56abd90cc96a46f9866d8cd89c9d0897
Publikováno v:
Geofísica Internacional, Vol 37, Iss 2, Pp 71-86 (1998)
Intensos estudios de la física de plasmas realizados desde hace alrededor de 10 años han visto el surgimiento de una nueva línea de investigación: la física de plasmas polvosos, que consisten de electrones, iones y partículas de polvo cargadas.
Externí odkaz:
https://doaj.org/article/6c139629c2db4aeb9fee67668548c292
Publikováno v:
Geofísica Internacional, Vol 36, Iss 1, Pp 55-60 (1997)
The purpose of this article is to present a new direction in the investigation of earthquakes through the research of electromagnetic processes in the ionosphere caused by seismic activity. To accomplish this objective, the main perturbations of the
Externí odkaz:
https://doaj.org/article/7222be552f6f44678dfd7715cc03bac2
Autor:
S. V. Koshevaya, Oksana Bilous, Denis Soshilov, V. V. Grimalsky, Felix Yanovsky, Y. G. Rapoport
Publikováno v:
2020 IEEE Ukrainian Microwave Week (UkrMW).
We present here a farther development of the ideas of 2D solid-state graphene metamaterial electron optics (GMEO) and a general method to graphene-based metamaterials that includes three levels of a consideration. This method includes a metamaterial
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::258f74b57a5ac3f730edb025502123df
https://doi.org/10.1109/ukrmw49653.2020.9252747
https://doi.org/10.1109/ukrmw49653.2020.9252747
Publikováno v:
2020 IEEE Ukrainian Microwave Week (UkrMW).
The nonlinear propagation of two-dimensional and three-dimensional terahertz electromagnetic beams in paralelectrics like SrTiO 3 is theoretically investigated in the temperature range T= 50 – 200 K. These beams are subject to the modulation instab
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b67746c24ffdd1a39f72715f61f7af40
https://doi.org/10.1109/ukrmw49653.2020.9252663
https://doi.org/10.1109/ukrmw49653.2020.9252663