Current Filamentation Instability in Laser Wakefield Accelerators

Huntington, C. M. and Thomas, A. G. R. and McGuffey, C. and Matsuoka, T. and Chvykov, V. and Kalintchenko, G. and Kneip, S. and Najmudin, Z. and Palmer, C. and Yanovsky, V. and Maksimchuk, A. and Drake, R. P. and Katsouleas, T. and Krushelnick, K. (2011) Current Filamentation Instability in Laser Wakefield Accelerators. Physical review letters, 106 (10). ISSN 0031-9007

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Abstract

Experiments using an electron beam produced by laser-wakefield acceleration have shown that varying the overall beam-plasma interaction length results in current filamentation at lengths that exceed the laser depletion length in the plasma. Three-dimensional simulations show this to be a combination of hosing, beam erosion, and filamentation of the decelerated beam. This work suggests the ability to perform scaled experiments of astrophysical instabilities. Additionally, understanding the processes involved with electron beam propagation is essential to the development of wakefield accelerator applications.

Item Type: Journal Article
Journal or Publication Title: Physical review letters
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/3100
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 82711
Deposited By: ep_importer_pure
Deposited On: 08 Nov 2016 10:18
Refereed?: Yes
Published?: Published
Last Modified: 11 Feb 2020 09:07
URI: https://eprints.lancs.ac.uk/id/eprint/82711

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