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Compact stars with specific mass function
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DOI：10.1016/j.aop.2017.08.005.png)
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摘要
En 中文
Aims: In the present work we search for a new model of compact star within embedding class one spacetime i.e., four dimensional spacetime embedded in five dimensional Pseudo Euclidean space. Methods: In particular we propose a new mass function to obtain an exact analytic solutions of the Einstein field equations. For this specific mass function, obtained solutions are well-behaved at the centre of the star, satisfy all energy conditions and the mass-radius relation fall within the limit proposed by Buchdahl (1959). Results: The static equilibrium condition has been maintained under different forces. We have discussed the solutions in detail and compare with a set of astrophysical objects like 4U1608-52, PSR J1903+327, PSR J1614-2230 and X-ray pulsar Vela X-1 is also explored. (C) 2017 Elsevier Inc. All rights reserved.
Keyword:
Embedding class one condition
Specific mass function
Anisotropic compact star
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3
论文数:
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被引数:
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