Перегляд за автором "Markov, P.I."

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Amplification and excitation of microwaves by an electron beam in a disk-loaded coaxial hybrid waveguide

Antipov, V.S.; Berezhnaya, I.V.; Kornilov, E.A.; Markov, P.I.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2005)

We have presented the results of the extensive experimental investigations of the amplification and oscillation excitation by the electron beam in hybrid plasma waveguides (HPW). The structure used as HPW a coaxial line ...
Concept of plasma-dielectric wakefield accelerator. Theory and experiment

Berezina, G.P.; Galaydych, K.V.; Kniaziev, R.R.; Linnik, A.F.; Markov, P.I.; Omelayenko, O.L.; Onishchenko, I.N.; Pristupa, V.I.; Sotnikov, G.V.; Us, V.S. (Вопросы атомной науки и техники, 2015)

The wakefield excitation by a long sequence of relativistic electron bunches in a dielectric waveguide/resonator of round cross-section with transit channel filled with plasma of various densities was theoretically and ...
Elaboration of plasma-dielectric wakefield accelerator

Onishchenko, I.N.; Berezina, G.P.; Galaydych, K.V.; Kniazev, R.R.; Linnik, A.F.; Markov, P.I.; Omelaenko, O.L.; Pristupa, V.I.; Sotnikov, G.V.; Us, V.S. (Вопросы атомной науки и техники, 2016)

Theoretical and experimental investigations of the physical principles of wakefield accelerator based on the excitation of accelerating wakefield in the plasma-dielectric structure by a long sequence of relativistic ...
Elaboration of the plasma-dielectric wakefield accelerator with a profiled sequence of driver electron bunches

Onishchenko, I.N.; Galaydych, K.V.; Kniaziev, R.R.; Krivonosov, G.O.; Linnik, A.F.; Markov, P.I.; Omelayenko, O.L.; Pristupa, V.I.; Sotnikov, G.V.; Us, V.S.; Zaleskiy, D.Yu. (Problems of Atomic Science and Technology, 2023)

A theoretical and experimental study of wakefield excitation by a profiled sequence of relativistic electron bunches in the plasma-dielectric structure, the parameters of which provide the conditions for the excitation of ...
Focusing of electron and positron bunches in plasma-dielectric wakefield accelerators

Kniaziev, R.R.; Manuilenko, O.V.; Markov, P.I.; Marshal, T.C.; Onishchenko, I.N.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2013)

The results of analytical studies and numerical simulations of wakefield excitation in a plasma-dielectric structure are presented. In the linear theory approximation (overdense plasma) it is shown that at a certain plasma ...
Focusing of electron bunches in the plasma-dielectric rectangular slowing-down structure

Markov, P.I.; Kniaziev, R.R.; Onishchenko, I.N.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2016)

Results of analytical and numerical researches of excitation of wakefield and dynamics of the charged particles in the plasma-dielectric rectangular slowing-down structure are provided. Based on that the analytics in ...
Focusing of positron bunch when moving in electron bunch wakefield in the dielectric waveguide filled with plasma

Sotnikov, G.V.; Knyazev, R.R.; Markov, P.I.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2021)

The results of numerical PIC-simulation of focusing accelerated (test) positron and drive electron bunches in the dielectric waveguide filled with radially heterogeneous plasma with the vacuum channel are given in the ...
Increase of efficiency of acceleration of the test electron bunch by sequence of electron bunches in the dielectric resonator

Markov, P.I.; Onishchenko, I.N.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2018)

Results of numerical simulation of the test bunch acceleration by relativistic electron bunch sequence in the cylindrical dielectric resonator of terahertz frequency range are provided. If the bunch spacing equals to the ...
Increase of efficiency of acceleration of the test electron bunch by sequence of electron bunches in the rectangular dielectric resonator at plasma filling

Markov, P.I.; Onishchenko, I.N.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2019)

A result of numerical simulation of acceleration of the test electron bunch following a sequence of relativistic electron bunches in the rectangular dielectric resonator when filling the drift channel with plasma of different ...
Investigation of parameters of electron and positron bunches in a plasma-dielectric wakefield accelerator

Markov, P.I.; Kniaziev, R.R.; Sotnikov, G.V. (Problems of Atomic Science and Technology, 2023)

The results of numerical PIC-simulation of the dynamics of accelerated positron and drive electron bunches under wake acceleration in a dielectric waveguide filled with plasma with a vacuum channel are presented. The wake ...
Numerical simulation of processes in supercritical electron beam at the presence of plasma

Markov, P.I.; Onishchenko, I.N.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2003)

The first main results of creation of the numerical electromagnetic code "SOM" for research of a virtual cathode at the presence of plasma are presented. The obtained results are the part of the project № 1569 «Development ...
Numerical simulation of the supercritical electron beam dynamics in magnetic field of finite size in the presence of plasma

Markov, P.I.; Onishchenko, I.N.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2004)

The first results of development of a numerical electromagnetic 2.5-dimensional code «SOM 2.5» (3 dimensional by the velocities and 2 dimensional by the coordinates) for researching of a virtual cathode in the presence ...
Numerical simulation of wakefields excitation in the dielectric structure filled with

Markov, P.I.; Onishchenko, I.N.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2016)

Results of numerical simulation of wakefield excitation in the dielectric structure filled with plasma created in capillary discharge are given. Three different models of dependence of plasma density on radius were ...
PIC simulation of low-frequency modulation of supercritical electron beam at plasma assstancei

Markov, P.I.; Onishchenko, I.N.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2005)

The results of simulations of virtual cathode dynamics at the presence of plasma are presented. The theoretical analysis of dynamics of the electron-ion formation is based on particle-in-cell method (PIC). Numerical ...
PIC simulation of nonlinear regime wake field excitation in cylindrical resonator

Markov, P.I.; Onishchenko, I.N.; Korzh, A.F.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2006)

The nonlinear mechanism of saturation of wake field amplitude, exited in the cylindrical resonator partially filled with dielectric by relativistic train of electron bunches numerically simulated by means of a specially ...
PIC simulation of nonlinear wakefield excitation by a train of electron bunches in a waveguide with isotropic plasma

Markov, P.I.; Onishchenko, I.N.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2008)

The results of analytical investigations and numerical simulation (in 2.5–dimensional electromagnetic code) of nonlinear wake fields excitation by regular sequence of relativistic electron bunches in isotropic (no external ...
Rectangular dielectric structures for the wakefield acceleration experiments in KIPT

Galaydych, K.V.; Kiselev, V.A.; Markov, P.I.; Naboka, A.M.; Onishchenko, I.N.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2013)

At the Kharkov Institute of Physics and Technology is planned experimental test of the basic principles of the multi-bunch multi-mode dielectric wakefield accelerator. For this purpose we carried out a series of calculations ...
Spatio-temporal structure of Cherenkov radiation excited by a laser pulse in an ionic dielectric waveguide

Balakirev, V.A.; Markov, P.I.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2021)

The process of excitation of Cherenkov electromagnetic radiation by a laser pulse in an ionic dielectric waveguide, is investigated. The frequency spectrum and mode composition of the Cherenkov radiation are determined. ...
Study of wakefields in longitudinally and transversely inhomogeneous rectangular dielectric resonators

Markov, P.I.; Kiselev, V.A.; Kniaziev, R.R.; Onishchenko, I.N.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2014)

At Institute of Plasma Electronics and New Methods of the Acceleration of NSC KIPT the experimental inspection of the principles of creation of multi-bunch and the multimode wakefield dielectric accelerator is carried out. ...

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