Time evolution of collisionless shock in counterstreaming laser-produced plasmas

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

doi:10.1103/PhysRevLett.106.175002

Time evolution of collisionless shock in counterstreaming laser-produced plasmas

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

Research output: Contribution to journal › Article › peer-review

120 Citations (Scopus)

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 language	English
Article number	175002
Journal	Physical review letters
Volume	106
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevLett.106.175002
Publication status	Published - Apr 26 2011
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1103/PhysRevLett.106.175002

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title = "Time evolution of collisionless shock in counterstreaming laser-produced plasmas",

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.",

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AU - Kuramitsu, Y.

AU - Sakawa, Y.

AU - Morita, T.

AU - Gregory, C. D.

AU - Waugh, J. N.

AU - Dono, S.

AU - Aoki, H.

AU - Tanji, H.

AU - Koenig, M.

AU - Woolsey, N.

AU - Takabe, H.

PY - 2011/4/26

Y1 - 2011/4/26

N2 - 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.

AB - 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.

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Time evolution of collisionless shock in counterstreaming laser-produced plasmas

Abstract

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