Noncommutative geometry inspired charged black holes
Stefano Ansoldi, Piero Nicolini, Anais Smailagic, Euro Spallucci
TL;DR
This paper introduces a new noncommutative geometry-inspired charged black hole solution that eliminates the singularity at the origin, smoothly connecting deSitter and Reissner-Nordstroem geometries, and explores its Hawking radiation and pair creation.
Contribution
The paper presents a novel black hole solution inspired by noncommutative geometry that removes the singularity and differs from classical solutions.
Findings
No curvature singularity at the origin
Smooth interpolation between deSitter and Reissner-Nordstroem geometries
Analysis of Hawking radiation and pair creation processes
Abstract
We find a new, non-commutative geometry inspired, solution of the coupled Einstein-Maxwell field equations describing a variety of charged, self-gravitating objects, including extremal and non-extremal black holes. The metric smoothly interpolates between deSitter geometry, at short distance, and Reissner-Nordstroem geometry far away from the origin. Contrary to the ordinary Reissner-Nordstroem spacetime there is no curvature singularity in the origin neither "naked" nor shielded by horizons. We investigate both the Hawking process and pair creation in this new scenario.
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