Sobolev近似II中的塞曼效应：分裂单极场和“心跳”Stokes V剖面
The Zeeman Effect in the Sobolev Approximation II: Split Monopole Fields and the "Heartbeat" Stokes V Profile
摘要：
我们计算的圆偏振斯托克斯V轮廓的发射线，形成在热星风线程与弱径向磁场。为了简单起见，我们假设风场被风沿径向梳理，旋转不起中心作用，将其视为分裂的风场。在弱场近似下，我们发现V轮廓具有特征性的“心跳”形状，表现出多个符号反转，在没有理论指导的情况下，这可能被误认为是噪声。我们还得出结论，有一个趋势的V型线的每一侧分别积分为零。
英文摘要：
We calculate the circularly polarized Stokes V profile for emission lines, formed in hot-star winds threaded with a weak radial magnetic field. For simplicity, the field is treated as a split monopole under the assumptions that it has been radially combed by the wind, and rotation is not playing a central role. Invoking the weak-field approximation, we find that the V profile has a characteristic ``heartbeat'' shape exhibiting multiple sign inversions, which might be mistaken for noise in the absence of theoretical guidance. We also conclude that there is a tendency for the V profile to integrate to zero on each side of the line separately.
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