Effect of vector interaction on magnetized strange quark matter and strange quark star

This study investigates the thermodynamical properties of magnetized strange quark matter (MSQM) and magnetized strange quark stars (MSQSs), the longitudinal and transverse equation of state (EoS), the maximum mass, the love number, tidal deformability, and gravitational redshift for MSQSs in chiral SU(3) quark mean-field (CQMF) model. The effects of vector interactions and density-dependent magnetic field are considered in the calculations. The EoS having longitudinal pressure gets soften with an increase in magnetic field and becomes stiffer for transverse pressure. The derived results show that the maximum mass of SQSs depends not only on the strength of the magnetic field but also on the orientation of the magnetic field inside the stars. The maximum mass and tidal deformability of MSQSs show good agreement with both the constraints of PSR J0030+0451 measured by NICER and the tidal deformability of gravitational wave event (GW170817) observed by LIGO and Virgo collaboration. In addition, the structure of MSQS is investigated using an axially symmetric metric with spherical coordinates in which gamma - parameter observes the deformation of the star due to magnetic field.(c) 2022 Elsevier B.V. All rights reserved.