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Anisotropic stellar structures in the theory of gravity with quintessence via embedding approach
Chinese Physics C ( IF 3.6 ) Pub Date : 2021-03-25 , DOI: 10.1088/1674-1137/abdfbd
Allah Ditta 1 , Mushtaq Ahmad 2 , Ibrar Hussain 3 , G. Mustafa 4
Affiliation  

This work suggests a new model for anisotropic compact stars with quintessence in $f(T)$ gravity by using the off-diagonal tetrad and the power-law as $f(T)=\beta T^n$, where T is the scalar torsion and $\beta$ and n are real constants. The acquired field equations incorporating the anisotropic matter source along with the quintessence field, in $f(T)$ gravity, are investigated by making use of the specific character of the scalar torsion T for the observed stars ${\rm{PSRJ1614}}-2230$, $4U 1608-52$, ${\rm{Cen}} X-3$, ${\rm{EXO1785}}-248$, and $SMC X-1$. It is suggested that all the stellar structures under examination are advantageously independent of any central singularity and are stable. Comprehensive graphical analysis shows that various physical features which are crucially important for the emergence of the stellar structures are conferred.



中文翻译:

引力理论中的各向异性恒星结构嵌入法的精髓

$f(T)$这项工作通过使用非对角四分体和幂律作为,提出了一种具有引力精髓的各向异性致密恒星的新模型$f(T)=\beta T^n$,其中T是标量扭转$\beta$n是实常数。获得的场方程结合了各向异性物质源和典型场,在$f(T)$重力中,通过利用观测恒星的标量扭转T${\rm{PSRJ1614}}-2230$的特殊特性来研究, $4U 1608-52$, ${\rm{岑}} X-​​3$, ${\rm{EXO1785}}-248$, 和$SMC X-1$. 建议所有被检查的恒星结构都有利地独立于任何中心奇点并且是稳定的。综合图形分析表明,赋予了对恒星结构出现至关重要的各种物理特征。

更新日期:2021-03-25
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