Research output: Contribution to journal › Article › peer-review
Simulations of electromagnetic emissions produced in a thin plasma by a continuously injected electron beam. / Annenkov, V. V.; Timofeev, I. V.; Volchok, E. P.
In: Physics of Plasmas, Vol. 23, No. 5, 053101, 01.05.2016.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Simulations of electromagnetic emissions produced in a thin plasma by a continuously injected electron beam
AU - Annenkov, V. V.
AU - Timofeev, I. V.
AU - Volchok, E. P.
N1 - Funding Information: This work was supported by RFBR (Grant No. 15-32- 20432). Simulations were performed using resources of Novosibirsk State University and Sibirian Super-Computer Center. Publisher Copyright: © 2016 Author(s). Copyright: Copyright 2017 Elsevier B.V., All rights reserved.
PY - 2016/5/1
Y1 - 2016/5/1
N2 - In this paper, electromagnetic emissions produced in a thin beam-plasma system are studied using two-dimensional particle-in-cell simulations. For the first time, the problem of emission generation in such a system is considered in a realistic formulation allowing for the continuous injection of a relativistic electron beam through a plasma boundary. Specific attention is given to the thin plasma case in which the transverse plasma size is comparable to the typical wavelength of beam-driven oscillations. Such a case is often implemented in laboratory beam-plasma experiments and has a number of peculiarities. Emission from a thin plasma does not require intermediate generation of the electromagnetic plasma eigenmodes, as in an infinite case, and is more similar to the regular antenna radiation. In this work, we determine how efficiently the fundamental and the second harmonic emissions can be generated in previously modulated and initially homogeneous plasmas.
AB - In this paper, electromagnetic emissions produced in a thin beam-plasma system are studied using two-dimensional particle-in-cell simulations. For the first time, the problem of emission generation in such a system is considered in a realistic formulation allowing for the continuous injection of a relativistic electron beam through a plasma boundary. Specific attention is given to the thin plasma case in which the transverse plasma size is comparable to the typical wavelength of beam-driven oscillations. Such a case is often implemented in laboratory beam-plasma experiments and has a number of peculiarities. Emission from a thin plasma does not require intermediate generation of the electromagnetic plasma eigenmodes, as in an infinite case, and is more similar to the regular antenna radiation. In this work, we determine how efficiently the fundamental and the second harmonic emissions can be generated in previously modulated and initially homogeneous plasmas.
UR - http://www.scopus.com/inward/record.url?scp=84968820935&partnerID=8YFLogxK
UR - https://www.elibrary.ru/item.asp?id=27160201
U2 - 10.1063/1.4948425
DO - 10.1063/1.4948425
M3 - Article
AN - SCOPUS:84968820935
VL - 23
JO - Physics of Plasmas
JF - Physics of Plasmas
SN - 1070-664X
IS - 5
M1 - 053101
ER -
ID: 27344523