Energy extraction via Comisso-Asenjo mechanism from rotating hairy black hole
arXiv:2304.12553 · doi:10.1103/PhysRevD.108.024039
Abstract
It was demonstrated by Comisso and Asenjo that the magnetic reconnection in the ergosphere is a promising mechanism to extract energy from the rotating Kerr black hole. In this work, we investigate the role of Comisso-Asenjo mechanism in energy extraction from the newly suggested rotating hairy black holes which have an extra hair due to the additional surrounding sources, such as dark matter or dark energy. We examine how the hairy parameters characterized the hair affect the magnetic reconnection process in addition to other important variables of the Comisso-Asenjo process, including the parameter spaces that permit energy extraction, the power, efficiency and power ratios with respect to the Blandford-Znajek mechanism.
8 pages, 8 figures. arXiv admin note: text overlap with arXiv:2304.08831
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- Harvesting energy driven by Comisso-Asenjo process from Kerr-MOG black holes
- Energy Extraction via Magnetic Reconnection in Konoplya-Rezzolla-Zhidenko Parametrized Black Holes
- Energy extraction via magnetic reconnection in magnetized black holes
- Energy extraction through magnetic reconnection from a Kerr-Newman black hole in perfect fluid dark matter
- Thin Accretion Disk Around Rotating Hairy Black Hole: Radiative Property and Optical Appearance
- Gravitational wave pulse and memory effects for hairy Kiselev black hole and its analogy with Bondi-Sachs formalism