Time evolution of collisionless shock in counterstreaming laser-produced plasmas

Y. Kuramitsu, Y. Sakawa, Taichi Morita, C. D. Gregory, J. N. Waugh, S. Dono, H. Aoki, H. Tanji, M. Koenig, N. Woolsey, H. Takabe

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Abstract

We investigated the time evolution of a strong collisionless shock in counterstreaming plasmas produced using a high-power laser pulse. The counterstreaming plasmas were generated by irradiating a CH double-plane target with the laser. In self-emission streaked optical pyrometry data, steepening of the self-emission profile as the two-plasma interaction evolved indicated shock formation. The shock thickness was less than the mean free path of the counterstreaming ions. Two-dimensional snapshots of the self-emission and shadowgrams also showed very thin shock structures. The Mach numbers estimated from the flow velocity and the brightness temperatures are very high.

Original languageEnglish
Article number175002
JournalPhysical Review Letters
Volume106
Issue number17
DOIs
Publication statusPublished - Apr 26 2011
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Kuramitsu, Y., Sakawa, Y., Morita, T., Gregory, C. D., Waugh, J. N., Dono, S., ... Takabe, H. (2011). Time evolution of collisionless shock in counterstreaming laser-produced plasmas. Physical Review Letters, 106(17), [175002]. https://doi.org/10.1103/PhysRevLett.106.175002