2011
DOI: 10.1103/physrevd.84.107301
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Abstract: We study the hydrostatic equilibrium configuration of an admixture of degenerate dark matter and normal nuclear matter by using a general relativistic two-fluid formalism. We consider non-selfannihilating dark matter particles of mass $1 GeV. The mass-radius relations and moments of inertia of these dark-matter admixed neutron stars are investigated and the stability of these stars is demonstrated by performing a radial perturbation analysis. We find a new class of compact stars which consists of a small norma… Show more

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Cited by 118 publications
(101 citation statements)
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“…The possibility of stars made of DM has been studied before in the context of annihilating DM forming dark stars in the early universe [50][51][52]. It has been also studied in the context of hybrid compact stars made of baryonic and DM [53,54]. In the latter case, neutron stars and white dwarfs include a significant amount of DM in their interior modifying thus the equation of state of the star.…”
Section: Introductionmentioning
confidence: 99%
“…The possibility of stars made of DM has been studied before in the context of annihilating DM forming dark stars in the early universe [50][51][52]. It has been also studied in the context of hybrid compact stars made of baryonic and DM [53,54]. In the latter case, neutron stars and white dwarfs include a significant amount of DM in their interior modifying thus the equation of state of the star.…”
Section: Introductionmentioning
confidence: 99%
“…The properties of compact stars made of ordinary matter admixed with condensed dark matter have been studied in [22][23][24][25], and similarly admixed with fermionic matter in [26][27][28][29].…”
Section: Introductionmentioning
confidence: 99%
“…Since dark matter interacts with normal baryonic matter through gravity, it is quite possible for white dwarfs and neutron stars to accrete dark matter and evolve to a dark matter admixed compact star [12,15,17,[21][22][23][24][25][26]. The large baryonic density in compact stars increases the probability of dark matter capture within the star and eventually results in gravitational trapping.…”
Section: Introductionmentioning
confidence: 99%
“…The effects of self-annihilating dark matter on first-generation stars and on the evolution path of main sequence stars have been studied extensively [11,12]. For non self-annihilating dark matter, its impact on main sequence stars [13] and neutron stars [14,15] has been studied in different dark matter models. Gravitational effects of non self-annihilating condensate dark matter on compact stellar objects has been studied [16] assuming dark matter as ideal Fermi gas and considering the accretion process through dark matter self-interaction from the surrounding halo.…”
Section: Introductionmentioning
confidence: 99%
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