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

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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

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