Energy-extraction processes from a Kerr black hole immersed in a magnetic field. I. Negative-energy states

SV Dhurandhar, N Dadhich - Physical Review D, 1984 - APS
extraction of energy from a rotating black hole immersed in a specified superposed magnetic
field… and the trajectories of charged particles in relation to energy extraction we will not …

Energy-extraction processes from a Kerr black hole immersed in a magnetic field. II. The formalism

SV Dhurandhar, N Dadhich - Physical Review D, 1984 - APS
… papers on energy-extraction processes near a Kerr blackhole immersed in a magnetic field.
A convenient formalism for discussing energy extraction by the Penrose process is presented…

Fifty years of energy extraction from rotating black hole: revisiting magnetic Penrose process

A Tursunov, N Dadhich - Universe, 2019 - mdpi.com
… It is easy to see by comparing magnetic field energy in a given volume with that of black
hole… of magnetic field. As in the neutral case, Equation (5), we define the energy extraction

Extraction of black hole rotational energy by a magnetic field and the formation of relativistic jets

S Koide, K Shibata, T Kudoh, DL Meier - Science, 2002 - science.org
energy is being extracted into the disk by a magnetic field with a … energy extraction from a
black hole with a finite magnetic … Att = 7 τ S , this process has amplified the magnetic field to a …

Electromagnetic extraction of energy from Kerr black holes

RD Blandford, RL Znajek - Monthly Notices of the Royal …, 1977 - academic.oup.com
… generally has a non-zero component parallel to the magnetic field. In Section 2 we show that
if the magnetic field and … We can define the efficiency of the energy extraction process to be …

Energy extraction from a Kerr black hole via magnetic reconnection within the plunging region

B Chen, Y Hou, J Li, Y Shen - Physical Review D, 2024 - APS
energy extraction via magnetic reconnection process in the plunging region. In contrast to the
toroidal plasma, where the magnetic field … We derive the global magnetic field structure in a …

Energy extraction from Janis-Newman-Winicour naked singularity

V Patel, K Acharya, P Bambhaniya, PS Joshi - Physical Review D, 2023 - APS
… in a negative energy orbit concerning the magnetic field (B), … the total energy extraction
efficiency within this process can … Here, we consider an external magnetic field with intensity B

Magnetic reconnection and energy extraction from a spinning black hole with broken Lorentz symmetry

M Khodadi - Physical Review D, 2022 - APS
magnetic field lines inside the ergosphere has been proposed by Comisso and Asenjo. In
this paper, we investigate energy extraction … of energy extraction induced by the MR process

Magnetic field feature extraction and selection for indoor location estimation

CE Galván-Tejada, JP García-Vázquez, RF Brena - Sensors, 2014 - mdpi.com
magnetic field signal [26]; to achieve it, we apply Equation (4), where ES i is the i th energy
signature of the normalized magnetic field … the extension of our original method to develop an …

Energy extraction via magnetic reconnection in the ergosphere of a rotating non-kerr black hole

W Liu - The Astrophysical Journal, 2022 - iopscience.iop.org
processes of extracting energy from rotating black holes have been developed. Mechanisms
accounting for energy extraction … configuration of antiparallel magnetic field lines near the …