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Strange quark mass effect on the structure of hybrid stars
https://doi.org/10.1142/S0218301318500064Cited by:1 (Source: Crossref)
Abstract
We study the strange quark mass effect on the phase diagram of strong interaction and the structure of compact stars with a thermodynamically enhanced perturbative QCD model by matching quark matter onto nuclear matter using the Gibbs conditions. It is found that the mass effect of strange quark matter can obviously stiffen the equation of state of mixed phases and result in more massive hybrid stars (HSs), while that usually lowers the maximum mass of pure quark stars. Given reasonable model parameters, the maximum mass of HSs can reach two times the solar mass and the stars always have mixed-phase core in a considerably wide range of model parameters.
PACS: 12.38.Bx, 97.60.Jd, 26.60.Dd, 26.60.Kp
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