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Hybrid stars from a three-flavor NJL model with two kinds of tensor condensates
Authors: M. Morimoto, Y. Tsue, J. da Providencia, C. Providencia, M. Yamamura
Ref.: Int.J.Mod.Phys.E 29 (2020)
Abstract: To obtain the equation of state of quark matter and construct hybrid stars, we calculate the thermodynamic potential in the three-flavor Nambu-Jona-Lasinio model including the tensor-type four-point interaction and the Kobayashi-Maskawa-t Hooft interaction. To construct the hybrid stars, it is necessary to impose the beta-equilibrium and charge neutrality conditions on the system. It is shown that tensor condensed phases appear at large chemical potential. Under the possibility of the existence of the tensor condensates, the relationship between the radius and mass of hybrid stars is estimated.
