Comparative analysis of standard mathematical modeling approaches to solve Einstein’s field equations in spherically symmetric static background for compact stars

Abstract This study examines Einstein’s field equations in the context of general relativity, comparing five distinct methodologies: (a) vanishing complexity, (b) embedding class one or the Karmarkar condition, (c) conformally flat spacetime, (d) conformal killing symmetry, and (e) the Karmarkar sca...

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Main Authors: Satyanarayana Gedela, Ravindra K. Bisht
Format: Article
Language:English
Published: SpringerOpen 2024-01-01
Series:European Physical Journal C: Particles and Fields
Online Access:https://doi.org/10.1140/epjc/s10052-024-12394-5
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author Satyanarayana Gedela
Ravindra K. Bisht
author_facet Satyanarayana Gedela
Ravindra K. Bisht
author_sort Satyanarayana Gedela
collection DOAJ
description Abstract This study examines Einstein’s field equations in the context of general relativity, comparing five distinct methodologies: (a) vanishing complexity, (b) embedding class one or the Karmarkar condition, (c) conformally flat spacetime, (d) conformal killing symmetry, and (e) the Karmarkar scalar condition. The first four methods reveal a significant connection between two metric potentials, while the fifth method provides a coordinate-independent condition expressed in terms of structural scalars. The paper provides a comprehensive comparative analysis of a new exact solution derived by assuming a common metric function and solving the remaining metric functions through corresponding bridge equations to evaluate their effectiveness and validity. Critical parameters such as thermodynamic factors, causality conditions, stability, and mass function analysis are investigated.
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spelling doaj.art-ad2ddd8d5f1b461588edc532b3a3388e2024-03-31T11:32:57ZengSpringerOpenEuropean Physical Journal C: Particles and Fields1434-60522024-01-0184111610.1140/epjc/s10052-024-12394-5Comparative analysis of standard mathematical modeling approaches to solve Einstein’s field equations in spherically symmetric static background for compact starsSatyanarayana Gedela0Ravindra K. Bisht1Department of Mathematics, National Defence AcademyDepartment of Mathematics, National Defence AcademyAbstract This study examines Einstein’s field equations in the context of general relativity, comparing five distinct methodologies: (a) vanishing complexity, (b) embedding class one or the Karmarkar condition, (c) conformally flat spacetime, (d) conformal killing symmetry, and (e) the Karmarkar scalar condition. The first four methods reveal a significant connection between two metric potentials, while the fifth method provides a coordinate-independent condition expressed in terms of structural scalars. The paper provides a comprehensive comparative analysis of a new exact solution derived by assuming a common metric function and solving the remaining metric functions through corresponding bridge equations to evaluate their effectiveness and validity. Critical parameters such as thermodynamic factors, causality conditions, stability, and mass function analysis are investigated.https://doi.org/10.1140/epjc/s10052-024-12394-5
spellingShingle Satyanarayana Gedela
Ravindra K. Bisht
Comparative analysis of standard mathematical modeling approaches to solve Einstein’s field equations in spherically symmetric static background for compact stars
European Physical Journal C: Particles and Fields
title Comparative analysis of standard mathematical modeling approaches to solve Einstein’s field equations in spherically symmetric static background for compact stars
title_full Comparative analysis of standard mathematical modeling approaches to solve Einstein’s field equations in spherically symmetric static background for compact stars
title_fullStr Comparative analysis of standard mathematical modeling approaches to solve Einstein’s field equations in spherically symmetric static background for compact stars
title_full_unstemmed Comparative analysis of standard mathematical modeling approaches to solve Einstein’s field equations in spherically symmetric static background for compact stars
title_short Comparative analysis of standard mathematical modeling approaches to solve Einstein’s field equations in spherically symmetric static background for compact stars
title_sort comparative analysis of standard mathematical modeling approaches to solve einstein s field equations in spherically symmetric static background for compact stars
url https://doi.org/10.1140/epjc/s10052-024-12394-5
work_keys_str_mv AT satyanarayanagedela comparativeanalysisofstandardmathematicalmodelingapproachestosolveeinsteinsfieldequationsinsphericallysymmetricstaticbackgroundforcompactstars
AT ravindrakbisht comparativeanalysisofstandardmathematicalmodelingapproachestosolveeinsteinsfieldequationsinsphericallysymmetricstaticbackgroundforcompactstars