Anisotropic 2+1 dimensional black holes by gravitational decoupling
Angel Rincon, Ernesto Contreras, Francisco Tello-Ortiz, Pedro, Bargue\~no, Gabriel Abell\'an

TL;DR
This paper explores new anisotropic 2+1 dimensional black hole solutions using gravitational decoupling, specifically applying the minimal geometric deformation approach to the BTZ geometry, and analyzes their curvature and energy conditions.
Contribution
It introduces a novel application of gravitational decoupling to generate anisotropic black holes from the BTZ solution in 2+1 dimensions.
Findings
New anisotropic black hole solutions derived from BTZ geometry.
Curvature scalars and energy conditions analyzed for the new solutions.
Demonstrates the effectiveness of gravitational decoupling in lower-dimensional gravity.
Abstract
In the present paper, we analyze the well-known 2+1 dimensional black holes (assuming a non-vanishing cosmological constant) in light of the gravitational decoupling by the minimal geometric deformation approach. To illustrate our results, we consider the BTZ geometry as the seed solution to generate new anisotropic ones. To complement the study, the curvature scalars and the energy conditions are analyzed.
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