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- Industrial University of SantanderCO4 papers
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4 papers · 1 filter
Constructing Regular Lovelock Black Holes with degenerate vacuum and , using the gravitational tension. Shadow analysis
Rodrigo Aros, Milko Estrada, Bastian Astudillo +1
In \cite{Estrada:2024uuu}, a link between gravitational tension (GT) and energy density via the Kretschmann scalar (KS) was proposed to construct regular black holes (RBHs) in Pure…
Constant-roll inflation in the generalized SU(2) Proca theory
Juan C. Garnica, L. Gabriel Gomez, Andres A. Navarro +1
The generalized SU(2) Proca theory (GSU2P) is a variant of the well known generalized Proca theory where the vector field belongs to the Lie algebra of the SU(2) group of global tr…
Non-Abelian -term dark energy and inflation
Yeinzon Rodriguez, Andres A. Navarro
We study the role that a cosmic triad in the generalized Proca theory, specifically in one of the pieces of the Lagrangian that involves the symmetric version of t…
Charged Annular Disks and Reissner-Nordström Type Black Holes from Extremal Dust
F. D. Lora-Clavijo, P. A. Ospina-Henao, J. F. Pedraza
We present the first analytical superposition of a charged black hole with an annular disk of extremal dust. In order to obtain the solutions, we first solve the Einstein-Maxwell f…