Abstract
A method is proposed for generating collimated beams of fast ions in laser-plasma interactions. Two-dimensional and three-dimensional particle-in-cell simulations show that the ponderomotive force expels electrons from the plasma region irradiated by a laser pulse. The ions with unneutralized electric charge that remain in this region are accelerated by Coulomb repulsive forces. The ions are focused by tailoring the target and also as a result of pinching in the magnetic field produced by the electric current of fast ions.
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Translated from Pis'ma v Zhurnal Éksperimental'no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 71, No. 10, 2000, pp. 593–599.
Original Russian Text Copyright © 2000 by Bulanov, Esirkepov, Califano, Kato, Lise\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \)kina, Mima, Naumova, Nishihara, Pegoraro, Ruhl, Sentoku, Ueshima.
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Bulanov, S.V., Esirkepov, T.Z., Califano, F. et al. Generation of collimated beams of relativistic ions in laser-plasma interactions. Jetp Lett. 71, 407–411 (2000). https://doi.org/10.1134/1.568365
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DOI: https://doi.org/10.1134/1.568365