Anisotropic Quark Stars with an Interacting Quark Equation of State within the Complexity Factor Formalism
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Título: | Anisotropic Quark Stars with an Interacting Quark Equation of State within the Complexity Factor Formalism |
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Autor/es: | Rincón, Ángel | Panotopoulos, Grigoris | Lopes, Ilídio |
Grupo/s de investigación o GITE: | Astrofísica Relativista |
Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Física Aplicada |
Palabras clave: | Relativistic stars | Complexity factor formalism | Anisotropy |
Fecha de publicación: | 30-ene-2023 |
Editor: | MDPI |
Cita bibliográfica: | Rincón Á, Panotopoulos G, Lopes I. Anisotropic Quark Stars with an Interacting Quark Equation of State within the Complexity Factor Formalism. Universe. 2023; 9(2):72. https://doi.org/10.3390/universe9020072 |
Resumen: | Within the framework of Einstein’s General Relativity we study strange quark stars assuming an interacting equation-of-state. Taking into account the presence of anisotropies in a sphere made of ultra dense matter, we employ the formalism based on the complexity factor. We integrate the structure equations numerically imposing the appropriate conditions both at the center and at the surface of the stars, thus obtaining interior solutions describing hydrostatic equilibrium. Making use of well-established criteria, we demonstrate that the solutions obtained here are well behaved and realistic. A comparison with another, more conventional approach, is made as well. Our numerical results are summarized in a number of figures. |
Patrocinador/es: | A.R. is funded by the María Zambrano contract ZAMBRANO 21-25 (Spain). I.L. thanks the Fundação para a Ciência e Tecnologia (FCT), Portugal, for the financial support to the Center for Astrophysics and Gravitation (CENTRA/IST/ULisboa) through the Grant Project No. UIDB/00099/2020 and Grant No. PTDC/FIS-AST/28920/2017. |
URI: | http://hdl.handle.net/10045/131699 |
ISSN: | 2218-1997 |
DOI: | 10.3390/universe9020072 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | © 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
Revisión científica: | si |
Versión del editor: | https://doi.org/10.3390/universe9020072 |
Aparece en las colecciones: | INV - Astrofísica Relativista - Artículos de Revistas |
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