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, Albertazzi and M. Nakatsutsumi for their previous work in laying the groundwork for the experimental platform, and P. Loiseau for the discussions. Funding: This work was supported by ANR Blanc grant no, Acknowledgments: We thank the LULI teams for technical support, the Dresden High Magnetic Field Laboratory at Helmholtz-Zentrum Dresden-Rossendorf for the

, The JIHT RAS (Joint Institute for High Temperatures Russian Academy of Sciences) and National Research Nuclear University (NRNU) Moscow Engineering Physics Institute (MEPhI) members acknowledge the support of the Russian Foundation for Basic Research (RFBR) foundation under the framework of projects #14-29-06099 and #15-32-21121 and the Competitiveness Program of NRNU MEPhI, This work was partly done within the Plas@Par LABEX project and

M. Borghesi, K. N. , S. O. , R. B. , and C. A. , acknowledge funding from the Engineering and Physical Sciences Research Council (grants EP/J500094/1 and EP/P010059/1), 2013.

A. S. , acknowledges funding from the RFBR foundation under the framework of projects #16-32-60183. Part of this work was supported by the region Ile-de-France through the program Domaine d'Intérêt Majeur Astrophysique et Conditions d

R. B. , S. P. , E. F. , D. P. , S. N. et al., are authors on a patent related to this work issued by the INPI, acknowledges the support of the Istituto Nazionale di Astrofisica (INAF) under the PRIN2013 Programme "Disks, jets and the dawn of planets, 2013.

, , 2017.

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