Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 78, Issue 7, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-018-6017-4
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Funding
- University of KwaZulu-Natal (ACRU)
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In this work, we explore a class of compact charged objects that have been tested against experimental and observational constraints with some known compact stars candidates. This study is performed by considering the self-gravitating, charged, isotropic fluids which are more pliability in solving the Einstein-Maxwell equations. In order to determine the interior geometry, we utilize the Vaidya-Tikekar (J Astrophys Astron 3:325, 1982) geometry for the metric potential with Riessner-Nordstrom metric as an exterior solution. These model parameters are determined after selecting some particular values of M and R, for the compact objects SAX J1808.4-3658, Her X-1 and 4U 1538-52. The most striking consequence is that hydrostatic equilibrium is maintained for different forces, and the situation is clarified by using the generalized Tolman-Oppenheimer-Volk-off equation. In addition to this, we also present the energy conditions, speeds of sound and compactness of stars that are very much compatible to that for a physically acceptable stellar model. Arising solutions are also compared with graphical representations that provide strong evidences for more realistic and viable models, both at theoretical and astrophysical scale.
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