论文标题
在常规黑洞周围发射环的图像中的极化分布
Polarization distribution in the image of a synchrotron emitting ring around a regular black hole
论文作者
论文摘要
在常规的海沃德和Bardeen黑洞的空位中研究了同步器发出环的极化图像。这些常规黑洞的重力与非线性电动力学结合。结果表明，在这两个常规的黑洞空位中，发射环的极化图像的主要特征相似。随着磁电荷参数的增加，图像平面中的极化强度和电动矢量位置角增加了海沃德和Bardeen黑洞的空位。此外，海沃德黑洞时空中发射环的图像中的极化强度和电矢量位置角更接近Schwarzschild案例中的偏光矢量角度。在海沃德黑洞时空中，磁性电荷参数对$ q-u $环的效果也略小。这些信息存储在海沃德和巴丁黑洞周围的极化图像中，可以帮助理解常规的黑洞，并将重力耦合到非线性电动力学。
The polarized images of a synchrotron emitting ring are studied in the regular Hayward and Bardeen black hole spacetimes. These regular black holes carry a magnetic field in terms of gravity coupled to nonlinear electrodynamics. Results show that the main features of the polarization images of the emitting rings are similar in these two regular black hole spacetimes. As the magnetic charge parameter increase, the polarization intensity and the electric vector position angle in the image plane increase in Hayward and Bardeen black hole spacetimes. Moreover, the polarization intensity and electric vector position angle in the image of the emitting ring in the Hayward black hole spacetime are closer to those in the Schwarzschild case. The effects of the magnetic charge parameter on the Strokes $Q-U$ loops are also slightly smaller in the Hayward black hole spacetime. This information stored in the polarization images around Hayward and Bardeen black holes could help understand regular black holes and the gravity coupled to nonlinear electrodynamics.
