Long-range perturbations produced by a localized packet of ion-acoustic waves in a collisionless plasma

被引：0
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作者：
M. Lontano
D. Ryutov
机构：
[1] Istituto di Fisica del Plasma “Piero Caldirola",
[2] C.N.R.,undefined
[3] Euratom-ENEA-CNR Ass.,undefined
[4] Milan,undefined
[5] Italy,undefined
[6] Lawrence Livermore National Laboratory,undefined
[7] Livermore,undefined
[8] CA 94551,undefined
[9] USA,undefined
来源：
The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics | 2002年 / 18卷
关键词：
PACS. 52.35.-g Waves, oscillations, and instabilities in plasmas and intense beams – 52.38.-r Laser-plasma interactions – 94.20.Bb Wave propagation;
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摘要：
A well localized packet of ion-acoustic waves propagating in a collisionless unmagnetized plasma produces long-range second-order perturbations of the moments of the electron distribution function due to those electrons which cross the region where the electric field is present, take a “kick", and carry this information at large distances from the packet itself. An extended “halo" is thus formed around the wave-packet, with an intensity decreasing in space typically according to a power-law. This “halo" contains electrostatic as well as magnetic perturbations.
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页码：347 / 351
页数：4
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