Original title: Emergence of magnetic null points in electro-vacuum magnetospheres of compact objects: The case of a plunging neutron star
Authors: Kopáček, Ondřej ; Tahamtan, T. ; Karas, Vladimír
Document type: Papers
Conference/Event: RAGtime /20.-22./, Opava (CZ), 20181015
Year: 2020
Language: eng
Abstract: We study the possible emergence of magnetic null points which are astrophysically relevant for the processes of magnetic reconnection. While the magnetic reconnection occurs in the presence of plasma and may lead to violent mass ejection, we show here that strong gravitation of the supermassive black hole may actively support the process by suit-ably entangling the field lines even in the electro-vacuum description. In this contribution we further discuss the case of a dipole-type magnetic field of the neutron staron the plunging trajectory to the supermassive black hole. While we have previously shown that given model in principle admits the formation of magnetic null points, here we explore whether and where the null points appear for the astrophysically relevant values of the parameters.
Keywords: black hole; neutron star; plunging trajector
Project no.: GJ17-06962Y (CEP), GC19-01137J (CEP)
Funding provider: GA ČR, GA ČR
Host item entry: Proceedings of RAGtime 20/22: Workshops on black holes and neutron stars, ISBN 978-80-7510-433-5

Institution: Astronomical Institute AS ČR (web)
Document availability information: Fulltext is available at external website.
External URL: http://proceedings.physics.cz/images/proc21/kop.pdf
Original record: http://hdl.handle.net/11104/0317186

Permalink: http://www.nusl.cz/ntk/nusl-432418


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