Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/25067
Título: Enhancement of quasistationary shocks and heating via temporal staging in a magnetized laser-plasma jet
Autores/as: Higginson, D.P.
Khiar, B.
Revet, G.
Béard, J.
Blecher, M.
Borghesi, M.
Burdonov, K.
Chen, S.N.
Filippov, E.
Khaghani, D.
Naughton, K.
Pépin, H.
Pikuz, S.
Portugall, O.
Riconda, C.
Riquier, R.
Rodriguez, R. 
Ryazantsev, S.N.
Skobelev, I. Yu
Soloviev, A.
Starodubtsev, M.
Vinci, T.
Villi, O.
Ciardi, A.
Fuchs, J.
Clasificación UNESCO: 2207 Física atómica y nuclear
Palabras clave: Emission
Flows
Fecha de publicación: 2017
Publicación seriada: Physical Review Letters 
Resumen: We investigate the formation of a laser-produced magnetized jet under conditions of a varying mass ejection rate and a varying divergence of the ejected plasma flow. This is done by irradiating a solid target placed in a 20 T magnetic field with, first, a collinear precursor laser pulse (1012  W/cm2) and, then, a main pulse (1013  W/cm2) arriving 9–19 ns later. Varying the time delay between the two pulses is found to control the divergence of the expanding plasma, which is shown to increase the strength of and heating in the conical shock that is responsible for jet collimation. These results show that plasma collimation due to shocks against a strong magnetic field can lead to stable, astrophysically relevant jets that are sustained over time scales 100 times the laser pulse duration (i.e., >70  ns), even in the case of strong variability at the source.
URI: http://hdl.handle.net/10553/25067
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.119.255002
Fuente: Physical Review Letters [ISSN 0031-9007], v. 119 (25), (255002)
Derechos: by-nc-nd
Colección:Artículos
miniatura
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