2023/12/12 by L. Q. Huang, Huang, Long-Xing, Shi-Xian Sun +3 · 2 citations
Physics and Astronomy · #Advanced Differential Geometry Research #Cosmology and Gravitation Theories #Black Holes and Theoretical Physics
paper · pdf · doi:10.48550/arxiv.2312.07400
In this paper, we study solutions of a static spherically symmetric system, which is composed of the coupling with the Bardeen action and two Dirac fields. For the case where only the Bardeen action is present, the magnetic charge q can be infinite, then when the magnetic charge is greater than a certain value qb, there exists a black hole solution, which is called the Bardeen black hole (BBH). However, if the Dirac field is introduced, we find that the magnetic charge can only be smaller than the critical value qb, in which there is no black hole solution. Moreover, in the region q