Plasma electron hole kinematics. I. Momentum conservation
We analyse the kinematic properties of a plasma electron hole: a non-linear self-sustained localized positive electric potential perturbation, trapping electrons, which behaves as a coherent entity. When a hole accelerates or grows in depth, ion and electron plasma momentum is changed both within th...
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| פורמט: | Article |
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American Institute of Physics (AIP)
2018
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| גישה מקוונת: | http://hdl.handle.net/1721.1/118310 https://orcid.org/0000-0003-3796-7357 |
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| author | Hutchinson, Ian Horner Zhou, Chuteng |
| author2 | Massachusetts Institute of Technology. Department of Nuclear Science and Engineering |
| author_facet | Massachusetts Institute of Technology. Department of Nuclear Science and Engineering Hutchinson, Ian Horner Zhou, Chuteng |
| author_sort | Hutchinson, Ian Horner |
| collection | MIT |
| description | We analyse the kinematic properties of a plasma electron hole: a non-linear self-sustained localized positive electric potential perturbation, trapping electrons, which behaves as a coherent entity. When a hole accelerates or grows in depth, ion and electron plasma momentum is changed both within the hole and outside, by an energization process we call jetting. We present a comprehensive analytic calculation of the momentum changes of an isolated general one-dimensional hole. The conservation of the total momentum gives the hole's kinematics, determining its velocity evolution. Our results explain many features of the behavior of hole speed observed in numerical simulations, including self-acceleration at formation, and hole pushing and trapping by ion streams. |
| first_indexed | 2024-09-23T09:49:21Z |
| format | Article |
| id | mit-1721.1/118310 |
| institution | Massachusetts Institute of Technology |
| last_indexed | 2024-09-23T09:49:21Z |
| publishDate | 2018 |
| publisher | American Institute of Physics (AIP) |
| record_format | dspace |
| spelling | mit-1721.1/1183102022-09-26T13:56:46Z Plasma electron hole kinematics. I. Momentum conservation Hutchinson, Ian Horner Zhou, Chuteng Massachusetts Institute of Technology. Department of Nuclear Science and Engineering Hutchinson, Ian Horner Zhou, Chuteng We analyse the kinematic properties of a plasma electron hole: a non-linear self-sustained localized positive electric potential perturbation, trapping electrons, which behaves as a coherent entity. When a hole accelerates or grows in depth, ion and electron plasma momentum is changed both within the hole and outside, by an energization process we call jetting. We present a comprehensive analytic calculation of the momentum changes of an isolated general one-dimensional hole. The conservation of the total momentum gives the hole's kinematics, determining its velocity evolution. Our results explain many features of the behavior of hole speed observed in numerical simulations, including self-acceleration at formation, and hole pushing and trapping by ion streams. National Science Foundation (U.S.) (Grant DE-SC0010491) United States. Department of Energy (Grant DE-SC0010491) 2018-10-01T16:12:47Z 2018-10-01T16:12:47Z 2016-08 2016-04 2018-09-24T12:46:09Z Article http://purl.org/eprint/type/JournalArticle 1070-664X 1089-7674 http://hdl.handle.net/1721.1/118310 Hutchinson, I. H. and C. Zhou. “Plasma Electron Hole Kinematics. I. Momentum Conservation.” Physics of Plasmas 23, 8 (August 2016): 082101 © 2016 Author(s) https://orcid.org/0000-0003-3796-7357 http://dx.doi.org/10.1063/1.4959870 Physics of Plasmas Creative Commons Attribution-Noncommercial-Share Alike http://creativecommons.org/licenses/by-nc-sa/4.0/ application/pdf American Institute of Physics (AIP) arXiv |
| spellingShingle | Hutchinson, Ian Horner Zhou, Chuteng Plasma electron hole kinematics. I. Momentum conservation |
| title | Plasma electron hole kinematics. I. Momentum conservation |
| title_full | Plasma electron hole kinematics. I. Momentum conservation |
| title_fullStr | Plasma electron hole kinematics. I. Momentum conservation |
| title_full_unstemmed | Plasma electron hole kinematics. I. Momentum conservation |
| title_short | Plasma electron hole kinematics. I. Momentum conservation |
| title_sort | plasma electron hole kinematics i momentum conservation |
| url | http://hdl.handle.net/1721.1/118310 https://orcid.org/0000-0003-3796-7357 |
| work_keys_str_mv | AT hutchinsonianhorner plasmaelectronholekinematicsimomentumconservation AT zhouchuteng plasmaelectronholekinematicsimomentumconservation |