Anisotropic pressure in the quark core of a strongly magnetized hybrid star

Abstract

The impact of a strong magnetic field, varying with the total baryon number density, on thermodynamic properties of strange quark matter (SQM) in the core of a magnetized hybrid star is considered at zero temperature within the framework of the Massachusetts Institute of Technology (MIT) bag model. It is clarified that the central magnetic field strength is bound from above by the value at which the derivative of the longitudinal pressure with respect to the baryon number density vanishes first somewhere in the quark core under varying the central field. Above this upper bound, the instability along the magnetic field is developed in magnetized SQM. The total energy density, longitudinal and transverse pressures are found as functions of the total baryon number density.

5 pages, 3 figures

References in corpus (3)

• Spin ordered phase transitions in isospin asymmetric nuclear matter
• Unusual temperature behavior of entropy of antiferromagnetic spin state in nuclear matter with effective finite range interaction
• Finite temperature effects on spin polarization of neutron matter in a strong magnetic field

Cited by in corpus (5)

• General relativistic polytropes in anisotropic stars
• Many-body forces in magnetic neutron stars
• Formation of a magnetized hybrid star with a purely toroidal field from phase-transition-induced collapse
• The population of highly magnetized neutron stars
• Highly magnetized neutron stars in a many-body forces formalism