Mode transitions in nonlinear evolution of the electron drift instability in a 2D annular E × B system
Abstract
Nonlinear development of electron drift instability is studied using 2D3V azimuthal-radial Particle-in-Cell simulations of an annular Hall thruster channel of 10 cm diameter. The full 2π azimuthal domain of the annular cross section is simulated with reflecting boundary conditions at the radial boundaries. It is shown that the instability, which starts as a short length scale linear instability, undergoes a sequence of nonlinear transitions into longer wavelength modes. The transitions in the mode wavelengths are accompanied by related transitions of the magnitude of anomalous axial current. In the nonlinear stages, there is evidence of azimuthal trapping and dragging of ions by the propagating wave resulting in saturation of instability. It is demonstrated that the size of the azimuthal domain influences mode dynamics and, thereby, the anomalous cross field electron transport.
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When the feedback of the plasma on the field is important, it is necessary to solve for the full E and B fields from the complete set of Maxwell's equations without making any approximations.
“When the feedback of the plasma on the field is important, it is necessary to solve for the full E and B fi elds from the complete set of Maxwell's equations without making any approximations 121-127 .”
From Plasma propulsion modeling with particle-based algorithms (2023) · cites this paper as [124]
Cites
Lafleur, T., Baalrud, S. D., & Chabert, P. (2016) · Physics of Plasmas · doi:10.1063/1.4948495 · Cited by 164 · see citing works
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Plasma propulsion modeling with particle-based algorithms
Taccogna, F., Cichocki, F., Eremin, D., Fubiani, G., & Garrigues, L. (2023) · Journal of Applied Physics · doi:10.1063/5.0153862 · Cited by 29 · see citing works
- Authors
- Sengupta, M., & Smolyakov, A.
- Affiliations
- University of Saskatchewan (CA)
- Venue
- Physics of Plasmas
- Publisher
- AIP Publishing
- Published
- 2020-02-01
- Volume
- 27
- Issue
- 2
- ISSN
- 1070-664X (ISSN-L)
- 1089-7674
- OpenAlex
- W3006059671
- Cited by
- 23
- References
- 1
- Citations by year
- 2026: 4 · 2025: 3 · 2023: 8 · 2021: 7 · 2020: 1
- FWCI
- 1.37
- Type
- journal article
- Language
- en
- Update notices
- correction (2021-08-06)
- Open access
- closed
- Locations
- Physics of Plasmas (publishedVersion)
- Funders
- Air Force Office of Scientific Research (FA9550-15-1-0226)
- Natural Sciences and Engineering Research Council of Canada
- 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
- E×B drift, ion drag, instability saturation, particle-in-cell simulation
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