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An axially propagating two-stream instability in the Hall thruster plasma
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SYSNO ASEP 0436284 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title An axially propagating two-stream instability in the Hall thruster plasma Author(s) Tsikata, S. (FR)
Cavalier, Jordan (UFP-V) RID, ORCID
Héron, A. (FR)
Honore, C. (FR)
Lemoine, N. (FR)
Gresillon, D. (FR)
Coulette, D. (FR)Source Title Physics of Plasmas - ISSN 1070-664X
Roč. 21, č. 7 (2014), 072116-072116Number of pages 12 s. Publication form Print - P Language eng - English Country US - United States Keywords Collective Thomson scattering ; Hall thruster ; kinetic theory ; electrostatic modes Subject RIV BL - Plasma and Gas Discharge Physics Institutional support UFP-V - RVO:61389021 UT WOS 000341154100018 EID SCOPUS 84904603119 DOI 10.1063/1.4890025 Annotation Collective Thomson scattering experiments reveal the presence of high-frequency, axial electron density fluctuations at millimetric wavelengths in the Hall thruster plasma. The properties of these fluctuations are investigated experimentally and via linear kinetic theory. The relative drift of electrons and ions in the axial direction is found to be insufficient to cause excitation of the observed mode. Instead, the mode is determined to be a two-stream instability arising due to the velocity difference between singly and doubly charged ion populations in the plume. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2015
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