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Exploring Physical Properties of Gravitationally Decoupled Anisotropic Solution in 5D Einstein-Gauss-Bonnet Gravity
Indexado
WoS WOS:000696338500001
Scopus SCOPUS_ID:85114937812
DOI 10.1002/PROP.202100099
Año 2021
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



In this paper we present two new classes of solutions describing compact objects within the framework of five-dimensional Einstein-Gauss-Bonnet (EGB) gravity. We employ the Complete Geometric Deformation (CGD) formalism which extends the Minimal Geometric Deformation (MGD) technique adopted in earlier investigations to generate anisotropic models from known isotropic solutions. The two solutions presented arise from mimicking the constraint for the pressure and density respectively which generate independent deformation functions. Rigorous physical tests show that contributions from CDG suppress the effective pressure but enhances the effective density and mass of the compact object, with the suppression/enhancement being modified by the EGB coupling constant. One of the highlights in our findings is that the deformation function along the radial component in CDG is nonzero at the boundary when we mimic both the pressure and density while in MGD we observe a vanishing of this deformation function at the boundary of the fluid configuration only for the pressure constraint. The difference in behavior of the deformation function at the surface predicts different stellar characteristics such as mass-to-radius and surface redshifts.

Métricas Externas



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Disciplinas de Investigación



WOS
Physics, Multidisciplinary
Scopus
Sin Disciplinas
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Maurya, S. K. - University of Nizwa - Omán
Univ Nizwa - Omán
2 TELLO-ORTIZ, FRANCISCO ANTONIO Hombre Universidad de Antofagasta - Chile
3 Govender, M. - Durban University of Technology - República de Sudáfrica
Durban Univ Technol - República de Sudáfrica

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Financiamiento



Fuente
Universidad de Antofagasta
Universidad de Antofagasta, Chile
University of Nizwa
TRC project of the Sultanate of Oman
administration of University of Nizwa
PhD program Doctorado en Fisica mencion en Fisica Matematica de la Universidad de Antofagasta, Chile

Muestra la fuente de financiamiento declarada en la publicación.

Agradecimientos



Agradecimiento
S. K. Maurya and F. Tello‐Ortiz acknowledge that this work is carried out under TRC project‐BFP/RGP/CBS/19/099 of the Sultanate of Oman. The authors also acknowledge for continuing support and encouragement from the administration of University of Nizwa. F. Tello‐Ortiz thanks the financial support by projects ANT‐1956 and SEM 18‐02 at the Universidad de Antofagasta, Chile. F. Tello‐Ortiz is thankful for continuous support and encouragement from the PhD program Doctorado en Física mención en Física Matemática de la Universidad de Antofagasta, Chile.
S. K. Maurya and F. Tello‐Ortiz acknowledge that this work is carried out under TRC project‐BFP/RGP/CBS/19/099 of the Sultanate of Oman. The authors also acknowledge for continuing support and encouragement from the administration of University of Nizwa. F. Tello‐Ortiz thanks the financial support by projects ANT‐1956 and SEM 18‐02 at the Universidad de Antofagasta, Chile. F. Tello‐Ortiz is thankful for continuous support and encouragement from the PhD program Doctorado en Física mención en Física Matemática de la Universidad de Antofagasta, Chile.
S. K. Maurya and F. Tello-Ortiz acknowledge that this work is carried out under TRC project-BFP/RGP/CBS/19/099 of the Sultanate of Oman. The authors also acknowledge for continuing support and encouragement from the administration of University of Nizwa. F. Tello-Ortiz thanks the financial support by projects ANT-1956 and SEM 18-02 at the Universidad de Antofagasta, Chile. F. Tello-Ortiz is thankful for continuous support and encouragement from the PhD program Doctorado en Fisica mencion en Fisica Matematica de la Universidad de Antofagasta, Chile.

Muestra la fuente de financiamiento declarada en la publicación.