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http://hdl.handle.net/20.500.12386/23849
Title: | General relativistic neutron stars with twisted magnetosphere | Authors: | Pili, A. G. BUCCIANTINI, NICCOLO' Del Zanna, L. |
Issue Date: | 2015 | Journal: | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | Number: | 447 | Issue: | 3 | First Page: | 2821 | Abstract: | Soft gamma-ray repeaters and anomalous X-ray pulsars are extreme manifestations of the most magnetized neutron stars: magnetars. The phenomenology of their emission and spectral properties strongly support the idea that the magnetospheres of these astrophysical objects are tightly twisted in the vicinity of the star. Previous studies on equilibrium configurations have so far focused on either the internal or the external magnetic field configuration, without considering a real coupling between the two fields. Here, we investigate numerical equilibrium models of magnetized neutron stars endowed with a confined twisted magnetosphere, solving the general relativistic Grad-Shafranov equation both in the interior and in the exterior of the compact object. A comprehensive study of the parameters space is provided, to investigate the effects of different current distributions on the overall magnetic field structure. | URI: | http://hdl.handle.net/20.500.12386/23849 | URL: | http://arxiv.org/abs/1412.4036v1 https://academic.oup.com/mnras/article/447/3/2821/2892871 |
ISSN: | 0035-8711 | DOI: | 10.1093/mnras/stu2628 | Bibcode ADS: | 2015MNRAS.447.2821P | Fulltext: | open |
Appears in Collections: | 1.01 Articoli in rivista |
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File | Description | Size | Format | |
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Pili-Bucciantini 2015 "General relativistic neutron stars with twisted magnetosphere" AA.pdf | PDF editoriale | 3.68 MB | Adobe PDF | View/Open |
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