Hybrid simulations of a parallel collisionless shock in the large plasma device
- Univ. of California, Los Angeles, CA (United States)
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
We present two-dimensional hybrid kinetic/magnetohydrodynamic simulations of planned laser-ablation experiments in the Large Plasma Device (LAPD). Our results, based on parameters which have been validated in previous experiments, show that a parallel collisionless shock can begin forming within the available space. Carbon-debris ions that stream along the magnetic- eld direction with a blow-o speed of four times the Alfv en velocity excite strong magnetic uctuations, eventually transfering part of their kinetic energy to the surrounding hydrogen ions. This acceleration and compression of the background plasma creates a shock front, which satis es the Rankine{Hugoniot conditions and can therefore propagate on its own. Furthermore, we analyze the upstream turbulence and show that it is dominated by the right-hand resonant instability.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- Defense Threat Reduction Agency (DTRA); USDOE
- Grant/Contract Number:
- AC52-06NA25396; NA0001995; SC0006583:0003
- OSTI ID:
- 1417164
- Alternate ID(s):
- OSTI ID: 1334352
- Report Number(s):
- LA-UR-17-28008; PHPAEN; TRN: US1800996
- Journal Information:
- Physics of Plasmas, Vol. 23, Issue 12; ISSN 1070-664X
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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Laboratory space physics: Investigating the physics of space plasmas in the laboratory
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Three Regimes and Four Modes for the Resonant Saturation of Parallel Ion-beam Instabilities
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Laboratory Observations of Ultra-low-frequency Analog Waves Driven by the Right-hand Resonant Ion Beam Instability
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Observations of a Field-Aligned Ion/Ion-Beam Instability in a Magnetized Laboratory Plasma | text | January 2017 |
Laboratory Space Physics: Investigating the Physics of Space Plasmas in the Laboratory | text | January 2018 |
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