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Observation of post-soliton expansion following laser propagation through an underdense plasma

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arxiv 1007.0183 v1 pith:O72PXESU submitted 2010-07-01 physics.plasm-ph

Observation of post-soliton expansion following laser propagation through an underdense plasma

classification physics.plasm-ph
keywords expansionplasmapost-solitonsbeenlaserobservedpost-solitonpropagation
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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abstract

The expansion of electromagnetic post-solitons emerging from the interaction of a 30 ps, $3\times 10^{18}$ W cm$^{-2}$ laser pulse with an underdense deuterium plasma has been observed up to 100 ps after the pulse propagation, when large numbers of post-solitons were seen to remain in the plasma. The temporal evolution of the post-solitons has been accurately characterized with a high spatial and temporal resolution. The observed expansion is compared to analytical models and three dimensional particle-in-cell results providing indication of the polarisation dependence of the post-soliton dynamics.

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