English

Relativistic strange quark stars in Lovelock gravity

General Relativity and Quantum Cosmology 2019-07-09 v1 High Energy Astrophysical Phenomena Solar and Stellar Astrophysics

Abstract

We study relativistic non-rotating stars in the framework of Lovelock gravity. In particular, we consider the Gauss-Bonnet term in a five-dimensional spacetime, and we investigate the impact of the Gauss-Bonnet parameter on properties of the stars, both isotropic and anisotropic. For matter inside the star, we assume a relativistic gas of de-confined massless quarks. We integrate the modified Tolman-Oppenheimer-Volkoff equations numerically, and we obtain the mass-to-radius profile, the compactness of the star as well as the gravitational red-shift for several values of the Gauss-Bonnet parameter. The maximum star mass and radius are also reported.

Keywords

Cite

@article{arxiv.1907.03545,
  title  = {Relativistic strange quark stars in Lovelock gravity},
  author = {Grigoris Panotopoulos and Ángel Rincón},
  journal= {arXiv preprint arXiv:1907.03545},
  year   = {2019}
}

Comments

10 pages, 1 table, 3 figures, accepted for publication in EPJ Plus