Scientific Results

Radiation-pressure-dominant acceleration: Polarization and radiation reaction effects and energy increase in three-dimensional simulations

Year: 2012

Authors: Tamburini A., Liseykina T.V., Pegoraro F., Macchi A.

Autors Affiliation: 1) Istituto Nazionale di Ottica, CNR, research unit “A. Gozzini,” Pisa, Italy
2) Dipartimento di Fisica “E. Fermi,” Università di Pisa, Largo Bruno Pontecorvo 3, I-56127 Pisa, Italy
3) Institut für Physik, Universität Rostock, D-18051 Rostock, Germany

Abstract: Polarization and radiation reaction (RR) effects in the interaction of a superintense laser pulse (I>10(23) Wcm(−2)) with a thin plasma foil are investigated with three dimensional particle-in-cell (PIC) simulations. For a linearly polarized laser pulse, strong anisotropies such as the formation of two high-energy clumps in the plane perpendicular to the propagation direction and significant radiation reactions effects are observed. On the contrary, neither anisotropies nor significant radiation reaction effects are observed using circularly polarized laser pulses, for which the maximum ion energy exceeds the value obtained in simulations of lower dimensionality. The dynamical bending of the initially flat plasma foil leads to the self-formation of a quasiparabolic shell that focuses the impinging laser pulse strongly increasing its energy and momentum densities.

Journal/Review: PHYSICAL REVIEW E

Volume: 85 (1.2)      Pages from: 016407  to: 016407

More Information: Work sponsored by the Italian Ministry of University and Research via the FIRB project \”SULDIS.\” We acknowledge the CINECA Grant No. HP10A25JKT-2010 for the availability of high-performance computing resources.
DOI: 10.1103/PhysRevE.85.016407

Citations: 46
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