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Propagation of a nonlinear wave packet driven in a relaxed magnetohydrodynamic plasma
| Content Provider | Scilit |
|---|---|
| Author | Kaur, M. Brown, M. R. |
| Copyright Year | 2018 |
| Description | We report the observation of a nonlinear wave packet propagating through a relaxed Taylor state in the Swarthmore Spheromak eXperiment (SSX) device. The wave packet is launched by a fast, pulsed, high current ( ${\approx}21~\text{kA}$ ) single-turn theta-pinch coil mounted outside the plasma vessel. The theta-pinch coil is energized by discharging a 40 kV, 2 kJ capacitor circuit. The wave packet velocity is super-thermal and super-Alfvénic; its group velocity is more consistent with a whistler pulse than other characteristic velocities. We also observe a fast density pulse which indicates that it is not Alfvénic in nature. |
| Related Links | https://www.cambridge.org/core/services/aop-cambridge-core/content/view/F7702AD17AB5FD151C0A347F4DB43C71/S0022377818001265a.pdf/div-class-title-propagation-of-a-nonlinear-wave-packet-driven-in-a-relaxed-magnetohydrodynamic-plasma-div.pdf |
| ISSN | 00223778 |
| e-ISSN | 14697807 |
| DOI | 10.1017/s0022377818001265 |
| Journal | Journal of Plasma Physics |
| Issue Number | 6 |
| Volume Number | 84 |
| Language | English |
| Publisher | Cambridge University Press (CUP) |
| Publisher Date | 2018-12-01 |
| Access Restriction | Open |
| Subject Keyword | Journal of Plasma Physics Applied Physics Fluids and Plasmas Physics Astrophysical Plasmas Plasma Waves |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics |
