Gravitational effects of condensed dark matter on strange stars

Gravitational effects of condensed dark matter on strange stars In the present work we study the gravitational effects of condensed dark matter on strange stars. We consider self-interacting dark matter particles with properties consistent with current observational constraints, and dark matter inside the star is modeled as a Bose-Einstein condensate. We integrate numerically the Tolman-Oppenheimer-Volkoff equations in the two-fluid formalism assuming that strange stars are made of up to 4 percent dark matter. It is shown that for a mass of the dark matter particles in the range 50–160 MeV strange stars are characterized by a maximum mass and radius similar to the ones found for neutron stars. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review D American Physical Society (APS)

Gravitational effects of condensed dark matter on strange stars

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Gravitational effects of condensed dark matter on strange stars

Abstract

In the present work we study the gravitational effects of condensed dark matter on strange stars. We consider self-interacting dark matter particles with properties consistent with current observational constraints, and dark matter inside the star is modeled as a Bose-Einstein condensate. We integrate numerically the Tolman-Oppenheimer-Volkoff equations in the two-fluid formalism assuming that strange stars are made of up to 4 percent dark matter. It is shown that for a mass of the dark matter particles in the range 50–160 MeV strange stars are characterized by a maximum mass and radius similar to the ones found for neutron stars.
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Publisher
The American Physical Society
Copyright
Copyright © © 2017 American Physical Society
ISSN
1550-7998
eISSN
1550-2368
D.O.I.
10.1103/PhysRevD.96.023002
Publisher site
See Article on Publisher Site

Abstract

In the present work we study the gravitational effects of condensed dark matter on strange stars. We consider self-interacting dark matter particles with properties consistent with current observational constraints, and dark matter inside the star is modeled as a Bose-Einstein condensate. We integrate numerically the Tolman-Oppenheimer-Volkoff equations in the two-fluid formalism assuming that strange stars are made of up to 4 percent dark matter. It is shown that for a mass of the dark matter particles in the range 50–160 MeV strange stars are characterized by a maximum mass and radius similar to the ones found for neutron stars.

Journal

Physical Review DAmerican Physical Society (APS)

Published: Jul 15, 2017

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