Radiation friction modeling in superintense laser-plasma interactions

Year: 2011

Authors: Macchi A., Tamburini M., Pegoraro F., Lyseikina T.V.

Autors Affiliation: Istituto Nazionale di Ottica, CNR, research unit “Adriano Gozzini”, Pisa, Italy;
Dipartimento di Fisica “Enrico Fermi”, Università di Pisa, Largo Bruno Pontecorvo 3, I-56127 Pisa, Italy;
Institut fuer Physik, Universitaet Rostock, D-18051 Rostock, Germany

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.


Volume: 8075      Pages from: 807509  to: 807509

KeyWords: Laser-Plasma Interactions; Radiation Pressure; Radiation Reaction; Ion Acceleration;
DOI: 10.1117/12.889127

Citations: 1
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