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Anisotropic compact stellar solution in general relativity
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DOI：10.1140/epjc/s10052-023-11351-y.png)
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摘要
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We present herein a new class of singularity-free interior solutions to describe realistic anisotropic compact stellar objects with spherically symmetric matter distribution. A specific form of anisotropy is assumed to obtain the exact solution for the field equation. Smooth matching of interior solutions thus obtained with the Schwarzschild exterior metric over the bounding surface of a compact star, together with the condition that the radial pressure vanishes at the boundary, is used to obtain the mathematical form for themodel parameters. The pulsar 4U1608-52 with its current estimated data (mass= 1.57 M circle dot and radius= 9.8 +/- 0.8 km; Ozel et al. in ApJ 820:28, 2016) is used to study the model graphically.
Keyword:
EQUATION-OF-STATE
STRONGLY MAGNETIZED NEUTRON
ONE-PARAMETER GROUP
DYNAMICAL INSTABILITY
EQUILIBRIUM-MODELS
FLUID SPHERES
DENSE MATTER
QUARK STARS
MASS
FIELDS
期刊
IF:
4.8
论文数:
1.8W
被引数:
4.7W
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