Resonant cyclotron scattering in pulsar
magnetosphere
仝号合作者:徐仁新,彭秋和,宋黎明arXiv: 0906.4223
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Outline
The observations Magnetars RRATs INSs
Scattering in pulsar magnetospere The results
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Radiation belt of a NS
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Scattering process
Resonant cyclotron scattering
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Scatterings
求解辐射转移方程 Monte Carlo 模拟 Kompaneets eq. ( 频率空间的扩散方程 )
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Domain of scatterings
非相对论电子 极端相对论电子
非共振散射 CS
(Kompaneets eq.)
ICS
共振散射 RCS RICS
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Kompaneets eq.
扩散近似
42 2
0
1(1 )e
e Tc
kTn nN c x n n
t m c x x x
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A little details
散射前后 散射跃迁概率
( , , ) ( ', ', ')p n p n
220 = (1 cos )2 sin
2
TdW cd
rc d
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Kompaneets eq. in the resonant case 散射跃迁概率
2 203 = (1 cos )(1 cos ') '
32 ( )
RCS
B
dW cd
r cc d
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The equation
空间积分
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The generalization: down scattering
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The results: up scattering
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The results: down scattering
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Next (II)
RICS 磁星硬 X- 射线谱 Gamma-ray 辐射(磁星 & GRB ) Magnetar giant flare & GRB X-ray flare
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Summary
Kompaneets eq. for RCS
Both up scattering and down scattering
Applications to INSs