Physics and Astronomy Publications

Title

Magnetic Field of a Compact Spherical Star under f(R, T) Gravity

Document Type

Article

Publication Date

9-1-2018

Journal

Chinese Physics Letters

Volume

35

Issue

9

URL with Digital Object Identifier

10.1088/0256-307X/35/9/099501

Abstract

We present the interior solutions of distributions of magnetized Quid inside a sphere in f (R,T) gravity. The magnetized sphere is embedded in an exterior Reissner-Nordstrom metric. We assume that all physical quantities are in static equilibrium. The perfect Quid matter is studied under a particular form of the Lagrangian density f (R, T). The magnetic field profile in modified gravity is calculated. Observational data of neutron stars are used to plot suitable models of magnetized compact objects. We reveal the effect of f (R,T) gravity on the magnetic field profile, with application to neutron stars, especially highly magnetized neutron stars found in x-ray pulsar systems. Finally, the effective potential Veff and innermost stable circular orbits, arising out of the motion of a test particle of negligible mass influenced by attraction or repulsion from the massive center, are discussed.

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