Zobrazeno 1 - 10
of 338
pro vyhledávání: '"Potashov, P. A."'
Publikováno v:
Astron. Lett., vol. 47, no. 4, pp. 204-213, Apr. 2021
The plasma opacity in stars depends mainly on the local state of matter (the density, temperature, and chemical composition at the point of interest), but in supernova ejecta it also depends on the expansion velocity gradient, because the Doppler eff
Externí odkaz:
http://arxiv.org/abs/2410.17176
Publikováno v:
Вестник хирургии имени И.И. Грекова, Vol 179, Iss 4, Pp 7-8 (2020)
Professor Lev Vasilievich Potashov was born on May 21, 1930, and graduated from the 1st LMI in 1954. In 1964, he was the first in the country to perform a coronarography. He studied problems of gastrointestinal bleedings, lymphology, ultraviolet bloo
Externí odkaz:
https://doaj.org/article/64b861b00aec46e080c991c3d2244ff9
Akademický článek
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Autor:
Sato, Masato, Tominaga, Nozomu, Blinnikov, Sergei I., Potashov, Marat Sh., Moriya, Takashi J., Hiramatsu, Daichi
Core-collapse supernovae (CCSNe) are the terminal explosions of massive stars. While most massive stars explode as iron-core-collapse supernovae (FeCCSNe), slightly less massive stars explode as electron-capture supernovae (ECSNe), shaping the low-ma
Externí odkaz:
http://arxiv.org/abs/2402.04611
Akademický článek
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Publikováno v:
Universe 2020, 6(10), 183
We study geodesic motion near the throats of asymptotically flat, static, spherically~symmetric traversable wormholes supported by a self-gravitating minimally coupled phantom scalar field with an arbitrary self-interaction potential. We assume that
Externí odkaz:
http://arxiv.org/abs/2010.08979
Publikováno v:
IOP Conf. Series: Journal of Physics: Conf. Series 1390 (2019) 012097
We consider spherically symmetric black holes with minimally coupled scalar fields and concentrate our attention on asymptotically flat self-gravitating configurations having the event horizons located at radii much smaller than $2m$. We think of suc
Externí odkaz:
http://arxiv.org/abs/1912.03654
Publikováno v:
Eur. Phys. J. C (2019) 79: 709
We study bound orbits near the centres of static, spherically symmetric, asymptotically flat configurations of a self-gravitating scalar field minimally coupled to gravity. In our approach, a nonlinear scalar field is considered as an idealized model
Externí odkaz:
http://arxiv.org/abs/1908.03700
Autor:
Potashov, M. Sh., Blinnikov, S. I.
Publikováno v:
Astron. Lett., vol. 45, no. 5, pp. 276-281, May 2019
We investigate a simplified kinetic system of the hydrogen atom (two levels plus continuum) under conditions of a type IIP supernova at the plateau phase that realistically describes the basic properties of the complete system. We have found the Lyap
Externí odkaz:
http://arxiv.org/abs/1906.11680
Autor:
Potashov, M. Sh., Yudin, A. V.
Publikováno v:
Monthly Notices of the Royal Astronomical Society, Volume 491, Issue 2, January 2020, Pages 2674-2687
We propose a model kinetic system of the hydrogen atom (two levels plus continuum) under the conditions typical for atmospheres of Type IIP supernovae in the plateau stage. Despite the simplicity of this system, it describes realistically the basic p
Externí odkaz:
http://arxiv.org/abs/1906.11206