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Ponderomotive ion acceleration in dense plasmas at super-high laser intensities |
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| Authors: | N. Naumova T. Schlegel V. T. Tikhonchuk C. Labaune I. V. Sokolov G. Mourou |
| Affiliation: | 1.Laboratoire d’Optique Appliquée, ENSTA, école Polytechnique,CNRS,Palaiseau Cedex,France;2.GSI Helmholtzzentrum für Schwerionenforschung GmbH,Darmstadt,Germany;3.Centre Lasers Intenses et Applications, Université Bordeaux 1, CEA, CNRS,Talence Cedex,France;4.Laboratoire pour l’Utilisation des Lasers Intenses,CNRS, CEA, école Polytechnique,Université Pierre et Marie Curie,Palaiseau Cedex,France;5.Space Physics Research Laboratory, University of Michigan,Ann Arbor,USA;6.Institut de la Lumière Extrême, ENSTA,école Polytechnique, CNRS,Palaiseau Cedex,France |
| Abstract: | Short laser pulses at super-high intensities such as those proposed in the Extreme Light Infrastructure (ELI) project open new prospects for efficient acceleration of ions in overdense plasmas. A simple analytical model and numerical simulations demonstrate that pulses with intensities exceeding 1022 W/cm2 may efficiently accelerate ions to high energies up to a few GeV. Maximum ion energy and the energy spectrum of the accelerated ions can be tuned by an appropriate choice of laser pulse intensity and duration at a given plasma density distribution. |
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