Pulsar magnetospheres: Numerical simulations of large amplitude electron-positron oscillations

被引：15
作者：
da Costa, AA
Diver, DA [1 ]
Stewart, GA
机构：
[1] Univ Glasgow, Dept Phys & Astron, Glasgow G12 8QQ, Lanark, Scotland
[2] Inst Super Tecn, Ctr Electordinam, P-1049001 Lisbon, Portugal
来源：
ASTRONOMY & ASTROPHYSICS | 2001年 / 366卷 / 01期
关键词：
pulsars : general; plasmas;
D O I：
10.1051/0004-6361:20000031
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The numerical simulation of non-linear electron-positron oscillations is reported showing the evolution of the electric field and the plasma number density for large amplitude disturbances. Sharp density gradients and changes in the oscillation frequency are demonstrated, and a new analytical framework is presented to illustrate these phenomena, particularly in the context of pulsar plasmas.
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页码：129 / 137
页数：9
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