旋转驱动脉冲星的高能辐射：外隙与缝隙模型
High Energy Emission from Rotation-Powered Pulsars: Outer-gap vs. Slot-gap Models
摘要：
本文研究了快速旋转的中子星磁层中的粒子加速器电动力学。我们解决的重要性，自洽处理对生产，解决泊松方程描述的加速电场，玻尔兹曼方程产生的电子和正电子，和辐射转移方程同时。它表明，得到的加速器的解决方案，如果我们只指定NS的自旋周期，磁偶极矩，相对于旋转轴的磁倾角，和NS表面温度，该解决方案对应于以前的外隙模型的定量扩展。我们将该方案应用于蟹状星云脉冲星，并表明预测的脉冲轮廓和相位分辨光谱与观测结果大致一致。将相同的方案应用于缝隙模型，我们表明，这种替代模型预测太小的光子通量再现观测，因为间隙跨场厚度显着限制其对自由的条件。
英文摘要：
We explore particle accelerator electrodynamics in the magnetosphere of a rapidly rotating neutron star (NS). We address the importance of a self-consistent treatment of pair production, solving the Poisson equation describing the acceleration electric field, the Boltzmann equations for produced electrons and positrons, and the radiative transfer equation simultaneously. It is demonstrated that the accelerator solution is obtained if we only specify the NS spin period, magnetic dipole moment, magnetic inclination angle with respect to the rotation axis, and the NS surface temperature, and that the solution corresponds to a quantitative extension of previous outer-gap models. We apply the scheme to the Crab pulsar and show that the predicted pulse profiles and phase-resolved spectrum are roughly consistent with observations. Applying the same scheme to the slot-gap model, we show that this alternative model predicts too small photon flux to reproduce observations, because the gap trans-field thickness is significantly restricted by its pair-free condition.
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