Direct Observation of strong coupling in a laser-shock compressed plasma

A. Ravasio, G. Gregori, A. Benuzzi-Mounaix, J. Daligault, A. Delserieys, Faenov A. Ya, B. Loupias, N. Ozaki, M. Rabec Le Gloahec, T.A. Pikuz, David Riley, M. Koenig

Research output: Contribution to journalArticlepeer-review

38 Citations (Scopus)

Abstract

In this Letter we report on a near collective x-ray scattering experiment on shock-compressed targets. A highly coupled Al plasma was generated and probed by spectrally resolving an x-ray source forward scattered by the sample. A significant reduction in the intensity of the elastic scatter was observed, which we attribute to the formation of an incipient long-range order. This speculation is confirmed by x-ray scattering calculations accounting for both electron degeneracy and strong coupling effects. Measurements from rear side visible diagnostics are consistent with the plasma parameters inferred from x-ray scattering data. These results give the experimental evidence of the strongly coupled ionic dynamics in dense plasmas.
Original languageEnglish
Article number135006
Pages (from-to)135006-1-135006-4
Number of pages4
JournalPhysical Review Letters
Volume99
Issue number13
DOIs
Publication statusPublished - 28 Sep 2007

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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