Zobrazeno 1 - 10
of 5 496
pro vyhledávání: '"A Onishchenko"'
Autor:
Batrakov, A. B., Fedotov, S. I., Lebedenko, O. M., Onishchenko, I. N., Rak, O. L., Volovenko, M. V., Volkov, Yu. N.
The powerful EHF radiation generated in a relativistic high-voltage pulsed magnetron of the 8 mm range is experimentally investigated. The factors that negatively affect the generation of EHF radiation are experimentally investigated and analyzed. It
Externí odkaz:
http://arxiv.org/abs/2412.09174
Autor:
Batrakov, A. B., Karelin, S. Yu., Lebedenko, O. M., Mukhin, V. S., Onishchenko, I. N., Rak, O. L., Sinitsin, V. G., Volovenko, M. V.
Experimental data and results of numerical simulations are presented, concerning excitation of narrowband gigahertz-range wave trains in coaxial guiding structures that are partially filled with ferromagnetic material and may involve periodically arr
Externí odkaz:
http://arxiv.org/abs/2412.01415
Autor:
Batrakov, A. B., Onishchenko, I. N., Fedotov, S. I., Glushko, E. G., Rak, O. L., Zinchenko, A. O.
Enhancement of the bremsstrahlung X-ray radiation (BSXR) power generated by the high-current relativistic electron beam (REB) of a pulsed direct-action accelerator TEMP-B is being curried out to use in particular for studying the radiation resistance
Externí odkaz:
http://arxiv.org/abs/2412.01403
Autor:
Batrakov, A. B., Fedotov, S. I., Korenev, V. G., Lebedenko, O. M., Mukhin, V. S., Onishchenko, I. N., Rak, O. L., Shtanko, A. O., Sinitsin, V. G., Volovenko, M. V.
Results of research are presented concerning operative modes of a high-voltage (relativistic) pulsed magnetron for the 8 mm wavelength range. Technical solutions are proposed for improving the output system of the device, such as to increase the effi
Externí odkaz:
http://arxiv.org/abs/2412.01395
Autor:
Sotnikov, Gennadiy V., Galaydych, Kostyantyn V., Hirshfield, Jay L., Markov, Peter I., Onishchenko, Ivan M.
To mitigate the BBU instability and improve characteristics of accelerated bunches in Dielectric Wakefield Accelerator one can be used the isotropic plasma filling of the transport channel. Here we present the results of analytical and numerical stud
Externí odkaz:
http://arxiv.org/abs/2410.24038
Wakefield acceleration methods are known due to some their advantages. The main of them is the high accelerating gradient up to several teravolts per meter. In the paper another important advantage is concluded to the possibility of using a wakefield
Externí odkaz:
http://arxiv.org/abs/2409.13309
Publikováno v:
Geomagnetism and Aeronomy. 2023. Vol. 63. No. 4. pp. 464-472
This paper presents a new model for the generation of axisymmetric concentrated vortices. The solution of a nonlinear equation for internal gravity waves in an unstable stratified atmosphere is obtained and analyzed within the framework of ideal hydr
Externí odkaz:
http://arxiv.org/abs/2409.02539
Publikováno v:
Indian Journal of Physics 2024, Vol. 98, pp. 2549-2558
In the magnetohydrodynamic approximation, system of equations is proposed which analytically describes the initial stage of origination of axially symmetric directed flows in nonequilibrium stratified plasma. The mechanism of generation is based on t
Externí odkaz:
http://arxiv.org/abs/2408.14210
Autor:
Bezuglov, M. A., Onishchenko, A. I.
Publikováno v:
Theor.Math.Phys. 219 (2024) 3, 871-896
Hypergeometric functions of one and many variables play an important role in various branches of modern physics and mathematics. Often we have hypergeometric functions with indices linear dependent on a small parameter with respect to which one needs
Externí odkaz:
http://arxiv.org/abs/2312.06242
The paper considers the excitation of a wakefield in a metal-density plasma using a chain of x-ray laser pulses. The profiling parameters and the necessary parameters of laser pulses for obtaining stable high-quality bunches are found. An essential p
Externí odkaz:
http://arxiv.org/abs/2310.06617