Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Schaeffer, Derek"'
Autor:
Rovige, Lucas, Cruz, Filipe D., Dorst, Robert S., Pilgram, Jessica J., Constantin, Carmen G., Vincena, Stephen, Cruz, Fábio, Silva, Luis O., Niemann, Christoph, Schaeffer, Derek B.
Mini-magnetospheres are small ion-scale structures that are well-suited to studying kinetic-scale physics of collisionless space plasmas. Such ion-scale magnetospheres can be found on local regions of the Moon, associated with the lunar crustal magne
Externí odkaz:
http://arxiv.org/abs/2402.05043
Collective optical Thomson scattering (TS) is a diagnostic commonly used to characterize plasma parameters. These parameters are typically extracted by a fitting algorithm that minimizes the difference between a measured scattered spectrum and an ana
Externí odkaz:
http://arxiv.org/abs/2308.02488
Fast-exploding plasmas traveling though magnetized, collisionless plasmas can occur in a variety of physical systems, such as supernova remnants, coronal mass ejections, and laser-driven laboratory experiments. To study these systems, it is important
Externí odkaz:
http://arxiv.org/abs/2302.00149
Autor:
Schaeffer, Derek B., Bott, Archie F. A., Borghesi, Marco, Flippo, Kirk A., Fox, William, Fuchs, Julien, Li, Chikang, Park, Hye-Sook, Seguin, Fredrick H., Tzeferacos, Petros, Willingale, Louise
Proton imaging has become a key diagnostic for measuring electromagnetic fields in high-energy-density (HED) laboratory plasmas. Compared to other techniques for diagnosing fields, proton imaging is a non-perturbative measurement that can simultaneou
Externí odkaz:
http://arxiv.org/abs/2212.08252
Ion-scale magnetospheres have been observed around comets, weakly-magnetized asteroids, and localized regions on the Moon, and provide a unique environment to study kinetic-scale plasma physics, in particular in the collisionless regime. In this work
Externí odkaz:
http://arxiv.org/abs/2201.02416
Autor:
Matteucci, Jackson, Fox, Will, Bhattacharjee, Amitava, Schaeffer, Derek B., Lezhnin, Kirill, Germaschewski, Kai, Fiksel, Gennady, Peery, Jill, Hu, Suxing X.
First-principles kinetic simulations are used to investigate magnetic field generation processes in expanding ablated plasmas relevant to laser-driven foils and hohlraums. In addition to Biermann-battery-generated magnetic fields, strong filamentary
Externí odkaz:
http://arxiv.org/abs/1912.11120
Akademický článek
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Akademický článek
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Autor:
Matteucci, Jackson, Fox, Will, Bhattacharjee, Amitava, Schaeffer, Derek, Moissard, Clement, Germaschewski, Kai, Fiksel, Gennady, Hu, Suxing
Publikováno v:
Phys. Rev. Lett. 121, 095001 (2018)
Recent experiments have demonstrated magnetic reconnection between colliding plasma plumes, where the reconnecting magnetic fields were self-generated in the plasma by the Biermann battery effect. Using fully kinetic 3-D simulations, we show the full
Externí odkaz:
http://arxiv.org/abs/1710.08556
Autor:
Schaeffer, Derek, Fox, Will, Haberberger, Dan, Fiksel, Gennady, Bhattacharjee, Amitava, Barnak, Daniel, Hu, Suxing, Germaschewski, Kai
Publikováno v:
Phys. Rev. Lett. 119, 025001 (2017)
Shocks act to convert incoming supersonic flows to heat, and in collisionless plasmas the shock layer forms on kinetic plasma scales through collective electromagnetic effects. These collisionless shocks have been observed in many space and astrophys
Externí odkaz:
http://arxiv.org/abs/1610.06533