(A black hole with multiple vortices (schematic diagram). The color represents the direction of the vortices, and the black represents the magnetic field lines.) Scientists from the University of Munich and Max Planck Institute of Physics in Germany published a paper in the latest issue of Physical Review Letters, saying that their latest research shows that black holes should theoretically have vortex structures. This study opens up a new way to observe new types of matter, including micro charged dark matter, and helps explain the extremely strong magnetic field generated by active galactic nuclei in the universe. Black holes are celestial bodies with strong gravity, and even light cannot escape from them. In 2015, scientists made the first direct observation of black holes. Since then, physicists have conducted numerous theoretical and experimental studies aimed at better understanding these fascinating cosmic objects. "Recently, researchers have introduced a new black hole quantum framework in the form of Bose Einstein condensate of gravitons. Previously, scientists have not thoroughly studied rotating black holes within this framework, but in fact, they may not only exist, but also be rules rather than exceptions." In the latest research, Kuner and his colleagues conducted several calculations according to the existing physical theory, especially the recently introduced black hole quantum model based on Bose Einstein graviton condensate, and studied rotating black holes at the quantum level to determine whether they allow vortex structure. Kuner said: "Since scientists have studied the rotating Bose Einstein condensates in depth in the laboratory, we know that if they rotate fast enough, they will allow vortex structures to appear. Therefore, we look for these structures in the rotating black hole model, and indeed found them." It is shown that black holes with extreme spins can be described as graviton condensates with vortices. In addition, in the presence of moving charges, the overall eddy current of the black hole captures the magnetic flux of the gauge field, which will lead to the characteristic radiation that can be observed through experiments, opening up a new way to observe new types of matter, including micro charged dark matter. Kuner pointed out: "Previously, black holes had three representations of mass, spin and charge, but our latest research shows that we need to add the new feature of vortex. The vortex structure of black holes can explain the extremely strong magnetic field generated by active galactic nuclei in the universe. In addition, they may be the source of almost all known galactic magnetic fields." (Liu Xinshe)
Edit：Li Jialang Responsible editor：Mu Mu
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