Laboratory evidence of the nonresonant streaming instability in the formation of quasiparallel collisionless shocks at high Alfvénic Mach number

S. Bolaños; M. J.-E. Manuel; M. Bailly-Grandvaux; A. S. Bogale; D. Caprioli; S. R. Klein; D. Michta; P. Tzeferacos; F. N. Beg

doi:10.1103/PhysRevE.110.L033201

Letter

Laboratory evidence of the nonresonant streaming instability in the formation of quasiparallel collisionless shocks at high Alfvénic Mach number

S. Bolaños ¹, M. J.-E. Manuel ^2,*, M. Bailly-Grandvaux¹, A. S. Bogale ¹, D. Caprioli ^3,4, S. R. Klein ⁵, D. Michta⁶, P. Tzeferacos ⁶, and F. N. Beg¹

¹Center for Energy Research, University of California San Diego, La Jolla, California 92093, USA
²General Atomics, San Diego, California 92103, USA
³Department of Astronomy and Astrophysics, The University of Chicago, 5640 S Ellis Ave, Chicago, Illinois 60637, USA
⁴Enrico Fermi Institute, The University of Chicago, 5640 S Ellis Ave, Chicago, Illinois 60637, USA
⁵Department of Nuclear Engineering and Radiological Sciences, University of Michigan, Ann Arbor, Michigan 48109, USA
⁶University of Rochester, Rochester, New York 14627, USA

^*Contact author: manuelm@fusion.gat.com

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Phys. Rev. E 110, L033201 – Published 5 September, 2024

DOI: https://doi.org/10.1103/PhysRevE.110.L033201

Abstract

We present an experimental investigation of the formation stage of a collisionless shock when the flow velocity is aligned with an ambient magnetic field utilizing laser-driven, super-Alfvénic plasma flows. As the flows interact, electromagnetic streaming instabilities develop. Proton deflectometry is used to visualize these electromagnetic fluctuations indicating the development of the ion-Weibel instability and the nonresonant instability. Hybrid simulations also show growth of the nonresonant instability and suggest that it provides an efficient source of dissipation for a shock.

Physical Review E

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Laboratory evidence of the nonresonant streaming instability in the formation of quasiparallel collisionless shocks at high Alfvénic Mach number

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Laboratory evidence of the nonresonant streaming instability in the formation of quasiparallel collisionless shocks at high Alfvénic Mach number

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