Electromagnetic waves from neutron stars and black holes driven by polar gravitational perturbations
General Relativity and Gravitation, ISSN: 1572-9532, Vol: 46, Issue: 3, Page: 1-16
2014
- 6Citations
- 11Captures
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Article Description
Neutron stars and black holes are the most compact astrophysical objects we can think of and as a consequence they are the main sources of gravitational waves. There are many astrophysically relevant scenarios in which these objects are immersed in or endowed with strong magnetic fields, in such a way that gravitational perturbations can couple to electromagnetic ones and can potentially trigger synergistic electromagnetic signatures. In a recent paper we derived the main equations for gravito-electromagnetic perturbations and studied in detail the case of polar electromagnetic perturbations driven by axial gravitational perturbations. In this paper we deal with the case of axial electromagnetic perturbations driven by polar black-hole or neutron stars oscillations, in which the energy emitted in case is considerably larger than in the previous case. In the case of neutron stars the phenomenon lasts considerably longer since the fluid acts as an energy reservoir that shakes the magnetic field for a timescale of the order of secs. © 2014 Springer Science+Business Media New York.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84893956758&origin=inward; http://dx.doi.org/10.1007/s10714-014-1675-5; http://link.springer.com/10.1007/s10714-014-1675-5; http://link.springer.com/content/pdf/10.1007/s10714-014-1675-5; http://link.springer.com/content/pdf/10.1007/s10714-014-1675-5.pdf; http://link.springer.com/article/10.1007/s10714-014-1675-5/fulltext.html; https://dx.doi.org/10.1007/s10714-014-1675-5; https://link.springer.com/article/10.1007/s10714-014-1675-5
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