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Teplofizika vysokikh temperatur, 2022, Volume 60, Issue 3, Pages 325–330
DOI: https://doi.org/10.31857/S0040364422020089
(Mi tvt11681)
 

This article is cited in 2 scientific papers (total in 2 papers)

Plasma Investigations

Formation and expansion of current filaments during the decay of a cylindrical plasma region with hot electrons heated at the interface of cold plasma and vacuum

A. N. Stepanova, M. A. Garaseva, V. V. Kocharovskyab, Vl. V. Kocharovskiia, A. A. Nechaeva

a Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod
b Department of Physics and Astronomy, Texas A&M University
Full-text PDF (909 kB) Citations (2)
References:
Abstract: Based on two- and three-dimensional numerical simulations, a new physical phenomenon is predicted during the decay of an elongated plasma region with hot electrons formed as a result of target ablation in vacuum by a femtosecond laser pulse focused on its surface by a cylindrical lens into a stripe with a width of several to hundreds of microns. It is established that both in the absence and in the presence of external magnetic field (up to $\sim 10^3$ T), oriented along the target surface in the direction of the axis of the semicylinder with electrons heated to keV energies, the multiple formation of thin filaments of the electron current and their further expansion together with the cold plasma cloud's expansion can occur. It is shown that an inhomogeneous system of such filaments with the transverse dimensions ranging from a few to tens of microns develops due to the Weibel-type instability resulting from the anisotropic cooling of an expanding electron cloud and exists at times ranging from picoseconds to nanoseconds, creating localized magnetic fields ranging in strength from a few to several hundreds of T.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation 075-15-2020-785
This study was supported by the Ministry of Science and Higher Education of the Russian Federation (agreement no. 075-15-2020-785 with the Joint Institute for High Temperatures, Russian Academy of Sciences, dated September 23, 2020). The numerical calculations were carried out using the resources of the Joint Supercomputer Center of the Russian Academy of Sciences (JSC RAS).
Received: 30.11.2021
Revised: 10.02.2022
Accepted: 15.02.2022
English version:
High Temperature, 2022, Volume 60, Issue 3, Pages 287–291
DOI: https://doi.org/10.1134/S0018151X22020080
Bibliographic databases:
Document Type: Article
UDC: 533.9… 16+533.951+537.86
Language: Russian
Citation: A. N. Stepanov, M. A. Garasev, V. V. Kocharovsky, Vl. V. Kocharovskii, A. A. Nechaev, “Formation and expansion of current filaments during the decay of a cylindrical plasma region with hot electrons heated at the interface of cold plasma and vacuum”, TVT, 60:3 (2022), 325–330; High Temperature, 60:3 (2022), 287–291
Citation in format AMSBIB
\Bibitem{SteGarKoc22}
\by A.~N.~Stepanov, M.~A.~Garasev, V.~V.~Kocharovsky, Vl.~V.~Kocharovskii, A.~A.~Nechaev
\paper Formation and expansion of current filaments during the decay of a~cylindrical plasma region with hot electrons heated at the interface of cold plasma and vacuum
\jour TVT
\yr 2022
\vol 60
\issue 3
\pages 325--330
\mathnet{http://mi.mathnet.ru/tvt11681}
\crossref{https://doi.org/10.31857/S0040364422020089}
\elib{https://elibrary.ru/item.asp?id=49455029}
\transl
\jour High Temperature
\yr 2022
\vol 60
\issue 3
\pages 287--291
\crossref{https://doi.org/10.1134/S0018151X22020080}
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  • https://www.mathnet.ru/eng/tvt/v60/i3/p325
  • This publication is cited in the following 2 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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