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arxiv: 1905.10162 · v1 · pith:7VVY6QPPnew · submitted 2019-05-24 · 🌀 gr-qc

A causal Schwarzschild-de Sitter interior solution by gravitational decoupling

L. Gabbanelli , J. Ovalle , A. Sotomayor , Z. Stuchlik , R. Casadio This is my paper
classification 🌀 gr-qc
keywords decouplinginteriorsolutiongravitationalschwarzschildanisotropicapproachastrophysical
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We employ the minimal geometric deformation approach to gravitational decoupling (MGD- decoupling) in order to build an exact anisotropic version of the Schwarzschild interior solution in a space-time with cosmological constant. Contrary to the well-known Schwarzschild interior, the matter density in the new solution is not uniform and possesses subluminal sound speed. It therefore satisfies all standard physical requirements for a candidate astrophysical object.

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