Nonlinear kinetic simulation study of the ion–ion streaming instability in single- and multi-ion species plasmas
| العنوان: | Nonlinear kinetic simulation study of the ion–ion streaming instability in single- and multi-ion species plasmas |
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| المؤلفون: | Jeffrey W. Banks, Ilon Joseph, Thomas Chapman, Richard Berger, Stephan Brunner, Debojyoti Ghosh, Andris Dimits, Benjamin Winjum |
| المصدر: | Physics of Plasmas. 28:022105 |
| بيانات النشر: | AIP Publishing, 2021. |
| سنة النشر: | 2021 |
| مصطلحات موضوعية: | Physics, Plasma, Condensed Matter Physics, Kinetic energy, 01 natural sciences, Instability, 010305 fluids & plasmas, Ion, Nonlinear system, Chemical physics, Electric field, 0103 physical sciences, Streaming instability, Particle, 010306 general physics |
| الوصف: | The nonlinear evolution of the ion-ion streaming instability (IISI) is studied using numerical techniques novel to this problem that afford direct insight into the evolution of the particle distributions of each species. During the linear phase of the instability, we demonstrate quantitative agreement with linear kinetic theory. Subsequently, the electrostatic field generated by the IISI causes ring-like velocity distributions of ions to form that are both heated and slowed to varying degrees relative to their initial flows. Due to variation in the trapping conditions for ion species of differing charge-to-mass ratio, when flows of multiple species interact, the nonlinear evolution of each species can be starkly different: we show a case where a lighter ion species is completely stopped by a heavier ion species via the IISI alone (i.e., without collisions) and, for the first time, demonstrate how the IISI can introduce a relative flow between ion species that initially have the same flow velocities, thereby separating them. |
| تدمد: | 1089-7674 1070-664X |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5a57717cef3f5a8db3187d5d68f0fd32 https://doi.org/10.1063/5.0015302 |
| حقوق: | OPEN |
| رقم الأكسشن: | edsair.doi.dedup.....5a57717cef3f5a8db3187d5d68f0fd32 |
| قاعدة البيانات: | OpenAIRE |
Find this article in full text from Scitation. | تدمد: | 10897674 1070664X |
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