Model of compact star with ordinary and dark matter
Creators
- 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 and radius around 11.16 , with of dark matter content. By varying the dark matter ratio, we obtain the masses of dark compact stars with masses less than 2.67 .
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
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 55059250
- Subject category
- S79: ASTROPHYSICS, COSMOLOGY AND ASTRONOMY;
- Descriptors DEI
- COLOR; DISTRIBUTION; EQUATIONS OF STATE; EXACT SOLUTIONS; FLAVOR MODEL; GALACTIC EVOLUTION; GALAXIES; GENERAL RELATIVITY THEORY; GEOMETRY; MASS; NEUTRON STARS; NONLUMINOUS MATTER; QUARK MATTER; QUARKS; SPACE-TIME; STAR MODELS
- Descriptors DEC
- COMPOSITE MODELS; EQUATIONS; EVOLUTION; FERMIONS; FIELD THEORIES; MATHEMATICAL MODELS; MATHEMATICAL SOLUTIONS; MATHEMATICS; MATTER; OPTICAL PROPERTIES; ORGANOLEPTIC PROPERTIES; PARTICLE MODELS; PHYSICAL PROPERTIES; QUARK MODEL; RELATIVITY THEORY; STARS
Optional Information
- Copyright
- Copyright (c) 2020 © Springer Nature B.V. 2020