Pulse duration constraint of whistler waves in magnetized dense plasma

Masayasu Hata, Takayoshi Sano, Yasuhiko Sentoku, Hideo Nagatomo, and Hitoshi Sakagami
Phys. Rev. E 104, 035205 – Published 17 September 2021

Abstract

Interactions between large-amplitude laser light and strongly magnetized dense plasma have been investigated by one- and two-dimensional electromagnetic particle-in-cell simulations. Since whistler waves have no critical density, they can propagate through plasmas beyond the critical density in principle. However, we have found the propagation of whistler waves is restricted significantly by the stimulated Brillouin scattering. It is confirmed that the period during which the whistler wave can propagate in overcritical plasmas is proportional to the growth time of the ion-acoustic wave via the Brillouin instability. The allowable pulse duration of the whistler wave has a power-law dependence on the amplitude of the whistler wave and the external magnetic field.

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  • Received 3 March 2021
  • Revised 16 June 2021
  • Accepted 31 August 2021

DOI:https://doi.org/10.1103/PhysRevE.104.035205

©2021 American Physical Society

Physics Subject Headings (PhySH)

Plasma Physics

Authors & Affiliations

Masayasu Hata1,2,*, Takayoshi Sano1, Yasuhiko Sentoku1, and Hideo Nagatomo1

  • 1Institute of Laser Engineering, Osaka University, Suita, Osaka 565-0871, Japan
  • 2Kansai Photon Science Institute (KPSI), National Institutes for Quantum and Radiological Science and Technology (QST), Kizugawa, Kyoto 619-0215, Japan

Hitoshi Sakagami

  • National Institute for Fusion Science, National Institutes of Natural Sciences, Toki, Gifu 509-5292, Japan

  • *hata.masayasu@qst.go.jp

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Issue

Vol. 104, Iss. 3 — September 2021

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