Gravitational decoupling for axially symmetric systems and rotating black holes

E Contreras, J Ovalle, R Casadio - Physical Review D, 2021 - APS
We introduce a systematic and direct procedure to generate hairy rotating black holes by
deforming a spherically symmetric seed solution. We develop our analysis in the context of …

[HTML][HTML] Decoupling gravitational sources in general relativity: The extended case

J Ovalle - Physics Letters B, 2019 - Elsevier
We show how to decoupling two spherically symmetric and static gravitational sources
through the most general possible extension of the so-called Minimal Geometric …

Complexity-free solution generated by gravitational decoupling for anisotropic self-gravitating star in symmetric teleparallel f(Q)-gravity theory

SK Maurya, A Errehymy, MK Jasim, M Daoud… - The European Physical …, 2023 - Springer
In this work, we attempt to find an anisotropic solution for a compact star generated by
gravitational decoupling in f (Q)-gravity theory having a null complexity factor. To do this, we …

Gravity effects on Hawking radiation from charged black strings in Rastall theory

R Ali, R Babar, M Asgher, SAA Shah - Annals of Physics, 2021 - Elsevier
The Rastall theory of gravity is the generalized form of the Einstein theory which describes
the conservation law of energy and momentum tensor. In our work, we compute the charged …

Hairy black holes by gravitational decoupling

J Ovalle, R Casadio, E Contreras… - Physics of the Dark …, 2021 - Elsevier
Black holes with hair represented by generic fields surrounding the central source of the
vacuum Schwarzschild metric are examined under the minimal set of requirements …

Anisotropic Tolman VII solution by gravitational decoupling

S Hensh, Z Stuchlík - The European Physical Journal C, 2019 - Springer
Using the gravitational decoupling by the minimal geometric deformation approach, we build
an anisotropic version of the well-known Tolman VII solution, determining an exact and …

Isotropization and change of complexity by gravitational decoupling

R Casadio, E Contreras, J Ovalle, A Sotomayor… - The European Physical …, 2019 - Springer
We employ the gravitational decoupling approach for static and spherically symmetric
systems to develop a simple and powerful method in order to (a) continuously isotropize any …

A causal Schwarzschild-de Sitter interior solution by gravitational decoupling

L Gabbanelli, J Ovalle, A Sotomayor, Z Stuchlik… - The European Physical …, 2019 - Springer
We employ the minimal geometric deformation approach to gravitational decoupling (MGD-
decoupling) in order to build an exact anisotropic version of the Schwarzschild interior …

Energy exchange between relativistic fluids: the polytropic case

J Ovalle, E Contreras, Z Stuchlik - The European Physical Journal C, 2022 - Springer
We present a simple, analytic and straightforward method to elucidate the effects produced
by polytropic fluids on any other gravitational source, no matter its nature, for static and …

A general interior anisotropic solution for a BTZ vacuum in the context of the minimal geometric deformation decoupling approach

E Contreras, Á Rincón, P Bargueño - The European Physical Journal C, 2019 - Springer
In this work we implement the Minimal Geometric Deformation decoupling method to obtain
general static interior solutions for a BTZ vacuum from the most general isotropic solution in …