Scalar-isovector δ-meson mean-field and mixed phase structure in compact stars

Grigor Bakhshi Alaverdyan

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DOI: 10.4236/ns.2010.25061                

Abstract

The deconfinement phase transition from ha-dronic 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 δ-meson effective field is taken into account. The MIT bag model for describing a quark phase is used. The changes of the pa-rameters of phase transition caused by the pre- sence of δ-meson field are investigated. Finally, alterations in the integral and structure para-meters of hybrid stars due to deconfinement phase transitions are discussed.

Keywords

Neutron Stars; Equation of State; Relativistic Mean-Field; Quarks; Deconfinement Phase Transition

Conflicts of Interest

The authors declare no conflicts of interest.

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