Influence of scalar-isovector delta-meson field on quark phase structure in neutron stars

Details Influence of scalar-isovector delta-meson field on quark phase structure in neutron stars Influence of scalar-isovector delta-meson field on quark phase structure in neutron stars

2010-07-26

arxiv.org/abs/1007.4505v1

Res.Astron.Astrophys.10:1255-1264,2010

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

10 pages, 8 figures, accepted by Research in Astronomy and Astrophysics

Scientific paper

10.1088/1674-4527/10/12/006

The deconfinement phase transition from hadronic matter to quark matter in the interior of compact stars is investigated. The hadronic phase is described in the framework of relativistic mean-field (RMF) theory, when also the scalar-isovector delta-meson effective field is taken into account. The MIT bag model for describing a quark phase is used. The changes of the parameters of phase transition caused by the presence of delta-meson field are explored. Finally, alterations in the integral and structural parameters of hybrid stars due to both deconfinement phase transition and inclusion of delta-meson field are discussed.

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