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  Magnetosphere of an orbiting neutron star

Carrasco, F., & Shibata, M. (2020). Magnetosphere of an orbiting neutron star. Physical Review D, 101: 063017. doi:10.1103/PhysRevD.101.063017.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-0B5F-5 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-0B63-F
Genre: Journal Article

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 Creators:
Carrasco, Federico, Author
Shibata, Masaru1, Author              
Affiliations:
1Computational Relativistic Astrophysics, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_2541714              

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Free keywords: Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE,General Relativity and Quantum Cosmology, gr-qc
 Abstract: We conduct force-free simulations of a single neutron star undergoing orbital motion in flat spacetime, mimicking the trajectory of the star about the center of mass on a compact binary system. Our attention is focused on the kinetic energy being extracted from the orbit by the acceleration of the magnetic dipole moment of the neutron star, and particularly, on how this energy gets distributed within its surrounding magnetosphere. A detailed study of the resulting magnetospheric configurations in our setting is presented, incorporating as well the effects due to neutron star spin and the misalignment of the magnetic and orbital axes. We find many features resembling those of pulsar magnetospheres for the orbiting neutron star --even in the absence of spin--, being of particular interest the development of a spiral current sheet that extends beyond the light cylinder. Then, we use recent advances in pulsar theory to estimate electromagnetic emissions produced at the reconnection regions of such current sheets.

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 Dates: 2020-01-132020-02-192020
 Publication Status: Published in print
 Pages: 16 pages, 13 figures
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 2001.04210
DOI: 10.1103/PhysRevD.101.063017
URI: http://arxiv.org/abs/2001.04210
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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : American Physical Society
Pages: - Volume / Issue: 101 Sequence Number: 063017 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: https://pure.mpg.de/cone/journals/resource/111088197762258