Two-surface wave decay: improved analytical theory and effects on electron acceleration

Year: 2004

Authors: Macchi A., Battaglini M., Cattani F., Cornolti F.

Autors Affiliation: Dipartimento di Fisica, Università di Pisa, Pisa, Italy

Abstract: Two-surface wave decay (TSWD), i.e., the parametric excitation of electron surface waves, was recently proposed as an absorption mechanism in the interaction of ultrashort, intense laser pulses with solid targets. We present an extension of the fluid theory of TSWD to a warm plasma that treats boundary effects consistently. We also present test-particle simulations showing localized enhancement of electron acceleration by TSWD fields; this effect leads to a modulation of the current density entering into the target and may seed current filamentation instabilities.


Volume: 78 (7-8)      Pages from: 915  to: 918

KeyWords: laser-plasma interactions; surface waves;
DOI: 10.1007/s00340-004-1444-3

Citations: 3
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