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Ion acceleration and stability in the radiation pressure dominated regime

放射圧優勢領域でのイオン加速と安定性

Pegoraro, F.*; Bulanov, S. V.

Pegoraro, F.*; Bulanov, S. V.

We investigate the stability against the onset of Rayleigh-Taylor modes of a thin plasma foil accelerated by the radiation pressure. We are interested in the process of ion acceleration in the interaction between a plasma foil and an ultra-intense laser pulse in the so-called radiation pressure dominated regime. We show that in the relativistic regime the Rayleigh-Taylor instability develops more slowly than in the non-relativistic regime. We show that the onset of the Rayleigh-Taylor-like instability leads to the formation of high-density, high-energy plasma clumps and to a relatively higher rate of ion acceleration in the regions between the clumps.

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パーセンタイル:38.82

分野:Optics

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