Efficient generation of energetic ions in multi-ion plasmas by radio-frequency heating
We describe a new technique for the efficient generation of high-energy ions with electromagnetic ion cyclotron waves in multi-ion plasmas. The discussed 'three-ion' scenarios are especially suited for strong wave absorption by a very low number of resonant ions. To observe this effect, th...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Article |
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Springer Nature
2018
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| Online Access: | http://hdl.handle.net/1721.1/114949 https://orcid.org/0000-0002-0898-5217 https://orcid.org/0000-0002-9518-4097 |
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| author | Kazakov, Ye O. Ongena, J. Lerche, E. Mantsinen, M. J. Van Eester, D. Craciunescu, T. Kiptily, V. G. Nocente, M. Nabais, F. Nave, M. F. F. Baranov, Y. Bielecki, J. Bilato, R. Bobkov, V. Crombé, K. Czarnecka, A. Faustin, J. M. Felton, R. Fitzgerald, M. Gallart, D. Giacomelli, L. Jacquet, Ph. Johnson, T. Lennholm, M. Loarer, T. Sharapov, S. E. Valcarcel, D. Van Schoor, M. Weisen, H. Wright, John C Wukitch, Stephen James Lin, Yijun Golfinopoulos, Theodore Hubbard, Amanda E Porkolab, Miklos |
| author2 | Massachusetts Institute of Technology. Plasma Science and Fusion Center |
| author_facet | Massachusetts Institute of Technology. Plasma Science and Fusion Center Kazakov, Ye O. Ongena, J. Lerche, E. Mantsinen, M. J. Van Eester, D. Craciunescu, T. Kiptily, V. G. Nocente, M. Nabais, F. Nave, M. F. F. Baranov, Y. Bielecki, J. Bilato, R. Bobkov, V. Crombé, K. Czarnecka, A. Faustin, J. M. Felton, R. Fitzgerald, M. Gallart, D. Giacomelli, L. Jacquet, Ph. Johnson, T. Lennholm, M. Loarer, T. Sharapov, S. E. Valcarcel, D. Van Schoor, M. Weisen, H. Wright, John C Wukitch, Stephen James Lin, Yijun Golfinopoulos, Theodore Hubbard, Amanda E Porkolab, Miklos |
| author_sort | Kazakov, Ye O. |
| collection | MIT |
| description | We describe a new technique for the efficient generation of high-energy ions with electromagnetic ion cyclotron waves in multi-ion plasmas. The discussed 'three-ion' scenarios are especially suited for strong wave absorption by a very low number of resonant ions. To observe this effect, the plasma composition has to be properly adjusted, as prescribed by theory. We demonstrate the potential of the method on the world-largest plasma magnetic confinement device, JET (Joint European Torus, Culham, UK), and the high-magnetic-field tokamak Alcator C-Mod (Cambridge, USA). The obtained results demonstrate efficient acceleration of 3 He ions to high energies in dedicated hydrogen-deuterium mixtures. Simultaneously, effective plasma heating is observed, as a result of the slowing-down of the fast 3 He ions. The developed technique is not only limited to laboratory plasmas, but can also be applied to explain observations of energetic ions in space-plasma environments, in particular, 3 He-rich solar flares. |
| first_indexed | 2024-09-23T15:43:45Z |
| format | Article |
| id | mit-1721.1/114949 |
| institution | Massachusetts Institute of Technology |
| last_indexed | 2024-09-23T15:43:45Z |
| publishDate | 2018 |
| publisher | Springer Nature |
| record_format | dspace |
| spelling | mit-1721.1/1149492022-09-29T15:47:19Z Efficient generation of energetic ions in multi-ion plasmas by radio-frequency heating Efficient generation of energetic ions in multi-ion plasmas by radio-frequency heating Kazakov, Ye O. Ongena, J. Lerche, E. Mantsinen, M. J. Van Eester, D. Craciunescu, T. Kiptily, V. G. Nocente, M. Nabais, F. Nave, M. F. F. Baranov, Y. Bielecki, J. Bilato, R. Bobkov, V. Crombé, K. Czarnecka, A. Faustin, J. M. Felton, R. Fitzgerald, M. Gallart, D. Giacomelli, L. Jacquet, Ph. Johnson, T. Lennholm, M. Loarer, T. Sharapov, S. E. Valcarcel, D. Van Schoor, M. Weisen, H. Wright, John C Wukitch, Stephen James Lin, Yijun Golfinopoulos, Theodore Hubbard, Amanda E Porkolab, Miklos Massachusetts Institute of Technology. Plasma Science and Fusion Center Wright, John C Wukitch, Stephen James Lin, Yijun Golfinopoulos, Theodore Hubbard, Amanda E Porkolab, Miklos We describe a new technique for the efficient generation of high-energy ions with electromagnetic ion cyclotron waves in multi-ion plasmas. The discussed 'three-ion' scenarios are especially suited for strong wave absorption by a very low number of resonant ions. To observe this effect, the plasma composition has to be properly adjusted, as prescribed by theory. We demonstrate the potential of the method on the world-largest plasma magnetic confinement device, JET (Joint European Torus, Culham, UK), and the high-magnetic-field tokamak Alcator C-Mod (Cambridge, USA). The obtained results demonstrate efficient acceleration of 3 He ions to high energies in dedicated hydrogen-deuterium mixtures. Simultaneously, effective plasma heating is observed, as a result of the slowing-down of the fast 3 He ions. The developed technique is not only limited to laboratory plasmas, but can also be applied to explain observations of energetic ions in space-plasma environments, in particular, 3 He-rich solar flares. 2018-04-24T19:50:53Z 2018-04-24T19:50:53Z 2017-06 2016-12 2017-11-14T19:57:27Z Article http://purl.org/eprint/type/JournalArticle 1745-2473 1745-2481 http://hdl.handle.net/1721.1/114949 Kazakov, Ye. O. et al. “Efficient Generation of Energetic Ions in Multi-Ion Plasmas by Radio-Frequency Heating.” Nature Physics 13, 10 (June 2017): 973–978 © 2017 Macmillan Publishers Limited, part of Springer Nature https://orcid.org/0000-0002-0898-5217 https://orcid.org/0000-0002-9518-4097 http://dx.doi.org/10.1038/nphys4167 Nature Physics Creative Commons Attribution-Noncommercial-Share Alike http://creativecommons.org/licenses/by-nc-sa/4.0/ application/pdf Springer Nature Wukitch |
| spellingShingle | Kazakov, Ye O. Ongena, J. Lerche, E. Mantsinen, M. J. Van Eester, D. Craciunescu, T. Kiptily, V. G. Nocente, M. Nabais, F. Nave, M. F. F. Baranov, Y. Bielecki, J. Bilato, R. Bobkov, V. Crombé, K. Czarnecka, A. Faustin, J. M. Felton, R. Fitzgerald, M. Gallart, D. Giacomelli, L. Jacquet, Ph. Johnson, T. Lennholm, M. Loarer, T. Sharapov, S. E. Valcarcel, D. Van Schoor, M. Weisen, H. Wright, John C Wukitch, Stephen James Lin, Yijun Golfinopoulos, Theodore Hubbard, Amanda E Porkolab, Miklos Efficient generation of energetic ions in multi-ion plasmas by radio-frequency heating |
| title | Efficient generation of energetic ions in multi-ion plasmas by radio-frequency heating |
| title_full | Efficient generation of energetic ions in multi-ion plasmas by radio-frequency heating |
| title_fullStr | Efficient generation of energetic ions in multi-ion plasmas by radio-frequency heating |
| title_full_unstemmed | Efficient generation of energetic ions in multi-ion plasmas by radio-frequency heating |
| title_short | Efficient generation of energetic ions in multi-ion plasmas by radio-frequency heating |
| title_sort | efficient generation of energetic ions in multi ion plasmas by radio frequency heating |
| url | http://hdl.handle.net/1721.1/114949 https://orcid.org/0000-0002-0898-5217 https://orcid.org/0000-0002-9518-4097 |
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