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arXiv 1109.0690astro-ph.HE
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自转对脉冲星射电廓线的影响

Effects of Rotation on Pulsar Radio Profiles

Dinesh Kumar, R. T. Gangadhara

摘要:

我们已经开发了一个模型,脉冲星的偏振考虑到观看的几何形状,旋转和调制的发射区。通过求解等离子体动力学方程,推导了曲率辐射电场的时域和频域表达式。我们表明,“反对称”和“对称”类型的圆偏振是可能的,由于像差,观察几何和调制的综合影响。我们认为,与调制相结合的像差可以引入“扭结”模式到PPA遍历。

英文摘要:

We have developed a model for pulsar polarization by taking into account of viewing geometry, rotation and modulation of the emission region. By solving for the plasma dynamics, we deduced the expressions for curvature radiation electric field in time as well as frequency domains. We show that both the 'antisymmetric' and 'symmetric' types of circular polarization are possible due to the combined effect of aberration, viewing geometry and modulation. We argue that aberration combined with modulation can introduce 'kinky' pattern into the PPA traverses.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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