Abstract
We report on the first production of “tailored” blast waves in cluster media using a 1 ps laser pulse focused to 2 × 1016 W/cm2. This new technique allows cylindrical blast waves to be produced with a strong axial modulation of variable spatial frequency, as a seed for instability growth. Energy deposition is modified by changing the cluster density whilst kee** the atomic density of the target constant. Electron density maps show the production of strongly modulated blast waves and the development of a thin shell structure in H at late times, and the trajectories show blast waves forming in H, and Ar. In Xe, a blast wave does not form on the timescales studied. Analysis of astrophysical similarity parameters suggests that a hydrodynamically similar situation is created in H, and that further evolution would create a regime where radiative effects may be influential in Ar and Xe.
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Moore, A., Symes, D., Smith, R. (2005). Tailored Blast Wave Production Pertaining to Supernova Remnants. In: Kyrala, G. (eds) High Energy Density Laboratory Astrophysics. Springer, Dordrecht. https://doi.org/10.1007/1-4020-4162-4_41
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DOI: https://doi.org/10.1007/1-4020-4162-4_41
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Online ISBN: 978-1-4020-4162-4
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