Cited by 64Plasma Diagnostics and ApplicationsMagnetic confinement fusion researchDust and Plasma Wave Phenomena

Three-dimensional structure of electron density fluctuations in the Hall thruster plasma: E × B mode

Tsikata, S., Honoré, C., Lemoine, N., Grésillon, D. M.·2010·Physics of Plasmas

Abstract

Collective scattering measurements have been conducted on the plasma of a Hall thruster, in which the electron density fluctuations are fully characterized by the dynamic form factor. The dynamic form factor amplitude distribution has been measured depending on the k-vector spatial and frequency components at different locations. Fluctuations are seen as propagating waves. The largest amplitude mode propagates nearly along the cross-field direction but at a phase velocity that is much smaller than the E¯×B¯ drift velocity. Refined directional analysis of this largest amplitude mode shows a thin angular emission diagram with a mean direction that is not strictly along the E¯×B¯ direction but at small angles near it. The deviation is oriented toward the anode in the (E¯,E¯×B¯) plane and toward the exterior of the thruster channel in the (B¯,E¯×B¯) plane. The density fluctuation rate is on the order of 1%. These experimentally determined directional fluctuation characteristics are discussed with regard to the linear kinetic theory model and particle-in-cell simulation results.

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Crossref · 10.1063/1.3499350

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  • Non-linear effects such as the generation of higher harmonics, parametric decay instabilities, non-linear wave-particle interaction including particle trapping effects, and non-linear skin-effect can be important but require evolving the EM fields in the time domain.

    “Non-linear effects, such as the generation of higher harmonics, parametric decay instabilities, non-linear wave-particle interaction including particle trapping effects, non-linear skin-effect (see, e.g., Refs.131-136) can be important but require evolving the EM fields in the time domain.”

    From Plasma propulsion modeling with particle-based algorithms (2023) · cites this paper as [132]

  • Such a nonlinear coupling process can be significant at lower RF frequencies and can generate ever higher harmonics of the magnetic field.

    “Such a nonlinear coupling process can be significant at lower RF frequencies and can generate ever higher harmonics of the magnetic field 132 .”

    From Plasma propulsion modeling with particle-based algorithms (2023) · cites this paper as [132]

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Authors
Tsikata, S., Honoré, C., Lemoine, N., & Grésillon, D. M.
Affiliations
Centre National de la Recherche Scientifique (FR)
Venue
Physics of Plasmas
Published
2010-11-01
Volume
17
Issue
11
Pages
112110
ISSN
  • 1070-664X (ISSN-L)
  • 1089-7674
OpenAlex
W2069411009
Cited by
64
References
11
Citations by year
2026: 5 · 2025: 4 · 2024: 4 · 2023: 10 · 2022: 4 · 2021: 5 · 2020: 4 · 2019: 8 · 2018: 3 · 2017: 4 · 2016: 1 · 2015: 1 · 2014: 3 · 2013: 4 · 2012: 2
FWCI
2.02
Type
journal article
Language
en
Open access
closed
Locations
  • Physics of Plasmas (publishedVersion)
  • HAL (submittedVersion)
Funders
Agence Nationale de la Recherche (ANR-06-BLAN-0171)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Plasma Diagnostics and Applications
  • Physical Sciences › Physics and Astronomy › Nuclear and High Energy Physics › Magnetic confinement fusion research
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Dust and Plasma Wave Phenomena
Keywords
Hall thruster, electron density fluctuations, E×B drift, dynamic form factor, collective scattering, propagating waves, linear kinetic theory, particle-in-cell simulation

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