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Radiation reaction effects on electron nonlinear dynamics and ion acceleration in laser-solid interaction |
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| Authors: | M Tamburini F PegoraroA Di Piazza CH KeitelTV Liseykina A Macchi |
| Affiliation: | a Dipartimento di Fisica “E. Fermi”, Università di Pisa, Largo Bruno Pontecorvo 3, I-56127 Pisa, Italy b Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, D-69117 Heidelberg, Germany c Institute of Computer Technologies, SD-RAS, Novosibirsk, Russia d Institute of Physics, University of Rostock, Germany e Istituto Nazionale di Ottica, CNR, Research unit “A. Gozzini”, Pisa, Italy |
| Abstract: | Radiation Reaction (RR) effects in the interaction of an ultra-intense laser pulse with a thin plasma foil are investigated analytically and by two-dimensional (2D3P) Particle-In-Cell (PIC) simulations. It is found that the radiation reaction force leads to a significant electron cooling and to an increased spatial bunching of both electrons and ions. A fully relativistic kinetic equation including RR effects is discussed and it is shown that RR leads to a contraction of the available phase space volume. The results of our PIC simulations are in qualitative agreement with the predictions of the kinetic theory. |
| Keywords: | Radiation Reaction Ion acceleration Laser-plasma interaction Radiation pressure |
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