Maurice H. P. M. van Putten
Published 2000-11-02, updated 2001-10-22Version 2
Cosmological gamma-ray bursts are probably powered by systems harboring a rotating black hole. We show that frame-dragging creates baryon-poor outflows in a differentially rotating gap along an open magnetic flux-tube with dissipation $P=\Omega_T(\Omega_H-2\Omega_T)A_\phi^2$, where $2\pi A_\phi$ denotes the flux in the open tube, for angular velocities $\Omega_H$ and $\Omega_T$ of the black hole and the torus, respectively. The output in photon-pair outflow will be reprocessed in an intervening hypernova progenitor wind or the ISM.
Comments: Subm PRL (revised and updated according to Phys. Rep. 345, 1 (2001))
Nodal and Periastron Precession of Inclined Orbits in the Field of a Rotating Black Hole
Aspects of Accretion Processes On a Rotating Black Hole
Variable line profiles due to non-axisymmetric patterns in an accretion disc around a rotating black hole
