QED effects on Kerr-Newman black hole shadows

被引：0

作者：

Yuan, Shao-bing ^{[1
]}

Luo, Chang-kai ^{[1
]}

Hu, Ze-zhou ^{[1
]}

Zhang, Zhen-yu ^{[1
]}

Chen, Bin ^{[1
,2
,3
,4
]}

机构：

[1] Peking Univ, Sch Phys, Beijing 100871, Peoples R China

[2] Ningbo Univ, Inst Fundamental Phys & Quantum Technol, Ningbo 315211, Peoples R China

[3] Ningbo Univ, Sch Phys Sci & Technol, Ningbo 315211, Peoples R China

[4] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China

来源：

CHINESE PHYSICS C | 2025年 / 49卷 / 02期

关键词：

black hole shadow; quantum electrodynamics; Euler-Heisenberg model; effective metric; SILHOUETTE;

D O I：

10.1088/1674-1137/ad9148

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

By incorporating first-order QED effects, we explored the shadows of Kerr-Newman black holes with a magnetic charge through the numerical backward ray-tracing method. Our investigation encompassed both the direct influence of the electromagnetic field on light rays and the distortion of the background spacetime metric due to QED corrections. We found that the area of the shadow increases with the QED effect, mainly owing to the fact that the photons travel more slowly in the effective medium, making them more susceptible to being trapped by the black hole.

引用

页数：12

共 63 条

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