Analytic force-free jet from disk-fed rotating black holes
Luis Villarin, Ian Vega

TL;DR
This paper introduces an analytic model of a force-free electromagnetic jet from a rotating black hole, showing potential universality and aligning with the Blandford-Znajek mechanism.
Contribution
The authors develop a new analytic, force-free jet model from a rotating black hole that is largely independent of disk parameters and matches key theoretical expectations.
Findings
Jet exhibits asymptotically parabolic structure.
Jet properties are largely independent of disk parameters.
Model aligns with the Blandford-Znajek mechanism.
Abstract
We present a new analytic model of a force-free electromagnetic jet launched from a disk-fed rotating black hole. The jet solution is force-free to first order in the black hole spin and is obtained through a systematic construction based on previously developed analytical methods. The black hole jet modeled here exhibits an asymptotically parabolic structure and is parametrized by the location of the current concentration and sign reversal in the disk. We find that the jet properties show negligible dependence on the disk parameter, suggesting a possible universality of slowly rotating black hole jets with respect to disk structure. Our jet model reproduces the key features expected from the Blandford-Znajek mechanism.
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