Electronpositron jets from a critically magnetized black hole
Abstract
The curved spacetime surrounding a rotating black hole dramatically alters the structure of nearby electromagnetic fields. The Wald field which is an asymptotically uniform magnetic field aligned with the angular momentum of the hole provides a convenient starting point to analyze the effects of radiative corrections on electrodynamics in curved spacetime. Since the curvature of the spacetime is small on the scale of the electron's Compton wavelength, the tools of quantum field theory in flat spacetime are reliable and show that a rotating black hole immersed in a magnetic field approaching the quantum critical value of B_{k}=m^{2}c^{3}/ (eħ)~4.4×10^{13} G~1.3×10^{ 11} cm^{1} is unstable. Specifically, a maximally rotating threesolarmass black hole immersed in a magnetic field of 2.3×10^{12} G would be a copious producer of electronpositron pairs with a luminosity of 3×10^{52} erg s^{1}.
 Publication:

Physical Review D
 Pub Date:
 March 2001
 DOI:
 10.1103/PhysRevD.63.064028
 arXiv:
 arXiv:grqc/0012007
 Bibcode:
 2001PhRvD..63f4028H
 Keywords:

 04.70.Dy;
 04.40.Nr;
 12.20.Ds;
 98.70.Rz;
 Quantum aspects of black holes evaporation thermodynamics;
 EinsteinMaxwell spacetimes spacetimes with fluids radiation or classical fields;
 Specific calculations;
 gammaray sources;
 gammaray bursts;
 General Relativity and Quantum Cosmology;
 Astrophysics;
 High Energy Physics  Phenomenology
 EPrint:
 10 pages, 6 figures, submitted to Phys. Rev. D