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Generation and Observation of Coherent, Long--Lived Structures in a Laser--Plasma Channel

Liseykina, T. V. and Ceccherini, F. and Cornolti, F. and Echkina, E. Yu. and Macchi, A. and Pegoraro, F. and Borghesi, M. and Kar, S. and Romagnani, L. and Bulanov, S. V. and Willi, O. and Galimberti, M. (2007) Generation and Observation of Coherent, Long--Lived Structures in a Laser--Plasma Channel. arXiv .

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Abstract

SUMMARY In recent experiments of laser pulse interaction at relativistic intensities with a low density plasma, the proton radiography technique showed evidence of long--lived field structures generated after the self-channeling of the laser pulse. We present 2D particle-in-cell simulations of this interaction regime, where the dynamics of similar structures has been resolved with high temporal and spatial resolution. An axially symmetrical field pattern, resembling both soliton-like and vortex structures, has been observed. A study of the physics of such structures and a comparison with experimental data is in progress.

Item Type: Article
Additional Information: Imported from arXiv
Subjects: Area02 - Scienze fisiche > FIS/01 - Fisica sperimentale
Divisions: Dipartimenti (from 2013) > DIPARTIMENTO DI FISICA
Depositing User: dott.ssa Sandra Faita
Date Deposited: 06 Aug 2013 10:18
Last Modified: 06 Aug 2013 10:18
URI: http://eprints.adm.unipi.it/id/eprint/1323

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