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P: Plasmaphysik

P 6: Discharges

P 6.7: Talk

Thursday, April 5, 2001, 18:10–18:25, 2053

Numerical simulation of electromagnetic soliton generation and their observation by means of laser-generated proton beams — •Hartmut Ruhl¹, Marco Borghesi², Natalia Naumova¹, Oswald Willi³, Peter Mulser⁴, Francesco Pegoraro⁵, and Sergei Bulanov⁶ — ¹Max-Born-Institut, Max-Born-Straße 2a, 12489 Berlin — ²Department of Pure and Applied Physics, Queen’s University Belfast, University Road, Belfast BT7 1NN — ³Plasma Physics Group, Blackett Laboratory, Imperial College of Science, Technology and Medicine, Prince Consort Road, London, SW7 2BZ — ⁴Theoretische Quanteneleketronik, TU Darmstadt, Hochschulstraße 4a, 64289 Darmstadt — ⁵Istituto Nazionale Fisica della Materia, Sez.2, Piazza Torricelli 1, I-56125 Pisa, Italy — ⁶General Physics Institute RAS, Vavilov Street 38,117942 Moscow, Russia

Short intense laser radiation is capable of generating electromagnetic solitary structures close to the pulse depletion length. Their number and localization in the plasma depends on the particular choice of the plasma pulse parameters. Numerical results on soliton generation in two and three spatial dimensions for a number of different parameters are presented. Proton images of the post-soliton structures are calculated and compared with recent experiments.