Magnetized neutron stars with superconducting cores: Effect of entrainment

Palapanidis, K., Stergioulas, N. and Lander, S. K. (2015) Magnetized neutron stars with superconducting cores: Effect of entrainment. Monthly Notices of the Royal Astronomical Society, 452 (3). pp. 3246-3255. ISSN 0035-8711

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Abstract

We construct equilibrium configurations of magnetized, two-fluid neutron stars using an iterative numerical method.Working in Newtonian framework we assume that the neutron star has two regions: the core, which is modelled as a two-component fluid consisting of type-II superconducting protons and superfluid neutrons, and the crust, a region composed of normal matter. Taking a new step towards more complete equilibrium models, we include the effect of entrainment, which implies that a magnetic force acts on neutrons, too.We consider purely poloidal field cases and present improvements to an earlier numerical scheme for solving equilibrium equations, by introducing new convergence criteria. We find that entrainment results in qualitative differences in the structure of field lines along the magnetic axis.

Item Type: Article
Uncontrolled Keywords: methods: numerical,stars: neutron,astronomy and astrophysics,space and planetary science ,/dk/atira/pure/subjectarea/asjc/3100/3103
Faculty \ School: Faculty of Science > School of Mathematics
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Depositing User: LivePure Connector
Date Deposited: 28 Jan 2020 03:52
Last Modified: 22 Apr 2020 08:34
URI: https://ueaeprints.uea.ac.uk/id/eprint/73803
DOI: 10.1093/mnras/stv1536

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