Charged anisotropic models with complexity-free condition

被引:22
|
作者
Sharif, M. [1 ]
Naseer, Tayyab [1 ,2 ]
机构
[1] Univ Lahore, Dept Math & Stat, 1-KM Def Rd, Lahor, Pakistan
[2] Univ Punjab, Dept Math, Quaid i Azam Campus, Lahore 54590, Pakistan
关键词
Interior solution; Vanishing complexity; Relativistic fluid; STABILITY; SPHERES; POLYTROPES; CRACKING;
D O I
10.1016/j.aop.2023.169311
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
This paper uses the definition of complexity for a static spheri-cally symmetric spacetime and extends it to the case of charged distribution. We formulate the Einstein-Maxwell field equations corresponding to the anisotropic interior and calculate two dif-ferent mass functions. We then take Reissner-Nordstrom metric as an exterior spacetime to find the matching conditions at the spherical boundary. Some scalars are developed from the orthogonal splitting of the curvature tensor, and we call one of them, i.e., YTF as the complexity factor for the considered setup. Further, the three independent field equations are not enough to close the system, therefore, we adopt the complexity -free condition. Along with this condition, we consider three constraints that lead to different models. We also present the graphical interpretation of the resulting solutions by choosing some particular values of parameters. We conclude that the models corresponding to pr = 0 and a polytropic equation of state show viable and stable behavior everywhere.& COPY; 2023 Published by Elsevier Inc.
引用
收藏
页数:17
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