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Published October 12, 2020 | Version v1
Journal article

Model of compact star with ordinary and dark matter

  • 1. University of South Africa. Science, Engineering and Technology, School of Physics (South Africa)
  • 2. University of the Western Cape. Department of Physics and Astronomy (South Africa)
  • 3. University of KwaZulu-Natal. Astrophysics Research Centre, School of Mathematics, Statistics and Computer Science (South Africa)

Description

We study compact stars formed by dark and ordinary matter, with attributes of both neutron star matter and quark star matter. We assume an equation of state for dark matter which is consistent with the rotational curves of galaxies and for color-flavor-locked (CFL) distributions for ordinary matter. This is done in the curved Krori-Barua spacetime geometry in general relativity. We find new exact solutions of dark matter admixed compact objects, with maximum mass 2.67 M and radius around 11.16 km, with 52.40% of dark matter content. By varying the dark matter ratio, we obtain the masses of dark compact stars with masses less than 2.67 M.

Additional details

Identifiers

Publishing Information

Journal Title
Astrophysics and Space Science
Journal Volume
365
Journal Issue
10
Journal Page Range
vp.
ISSN
0004-640X
CODEN
APSSBE

Optional Information

Copyright
Copyright (c) 2020 © Springer Nature B.V. 2020