Radiation friction modeling in superintense laser-plasma interactions

A. Macchi; M. Tamburini; F. Pegoraro; T. V. Liseykina

doi:10.1117/12.889127

11 May 2011 Radiation friction modeling in superintense laser-plasma interactions

A. Macchi, M. Tamburini, F. Pegoraro, T. V. Liseykina

Proceedings Volume 8075, Harnessing Relativistic Plasma Waves as Novel Radiation Sources from Terahertz to X-Rays and Beyond II; 807509 (2011) https://doi.org/10.1117/12.889127
Event: SPIE Optics + Optoelectronics, 2011, Prague, Czech Republic

Abstract

Radiation Friction or Reaction (RR) effects are important for highly relativistic electrons in superintense electromagnetic fields and are thus expected to play a crucial role in next-term experiments. It is therefore important to include RR in particle-in-cell (PIC) simulations of laser-plasma by an appropriate modeling, keeping the essential RR effects into account while retaining at the same time the capability to perform large-scale simulations. We describe a suitable approach, based on the Landau-Lifshitz equation, which allows the insertion of RR in PIC codes in a modular way and with a very reduced computational cost. Properties of the kinetic equation with RR which is effectively solved by the PIC method are also discussed. We then present the results of multi-dimensional PIC simulations, mainly on radiation pressure acceleration of thin foil targets, addressing the importance of RR effects and showing the strong role played by the laser pulse polarization.

Citation Download Citation

A. Macchi, M. Tamburini, F. Pegoraro, and T. V. Liseykina "Radiation friction modeling in superintense laser-plasma interactions", Proc. SPIE 8075, Harnessing Relativistic Plasma Waves as Novel Radiation Sources from Terahertz to X-Rays and Beyond II, 807509 (11 May 2011); https://doi.org/10.1117/12.889127

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