潮荷对自旋膜世界黑洞磁重联和能量提取的影响
Effects of tidal charge on magnetic reconnection and energy extraction from spinning braneworld black hole
摘要：
最近的研究表明，磁重联可以作为一种有效的机制，从快速旋转的黑洞中提取能量。本文研究了在自旋膜世界黑洞背景中，潮汐荷对磁重联能量提取的影响。随着潮汐荷的增加，我们发现对于位于无穷远处的观测者，加速等离子体和减速等离子体的能量都减小。为了达到从黑洞中提取净能量的目的，减速后的等离子体必须具有负能量。然后我们观察到通过磁重联提取能量的功率随着潮汐电荷的增加而增加。同时，效率也随着潮汐荷的增加而增加，表明具有正潮汐荷的自旋膜世界黑洞比Kerr黑洞更有效。与Blandford-Znajek机制相比，磁重联过程对正潮汐荷的作用能更高。这些结果表明，潮汐电荷对磁重联过程的能量提取有重要影响。
英文摘要：
Recent study shows that the magnetic reconnection can serve as an efficient mechanism to extract energy from rapidly spinning black holes. In this paper, we consider the effects of the tidal charge on the energy extraction via the magnetic reconnection in the backgrounds of a spinning braneworld black hole. With the increase of the tidal charge, we find that both the energies of the accelerated plasma and decelerated plasma decrease for the observer located at infinity. To achieve the purpose extracting the net energy from the black hole, the decelerated plasma should take negative energy. Then we observe that the power of the energy extraction via the magnetic reconnection grows with the tidal charge. Meanwhile, the efficiency also increases with the tidal charge indicating that the spinning braneworld black hole with positive tidal charge is more efficient than the Kerr black hole. Compared with the Blandford-Znajek mechanism, the magnetic reconnection process shall have a higher power for positive tidal charge. These results indicate that the tidal charge has a significant effect on the energy extraction via the magnetic reconnection process.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
