Binary black holes' effects on electromagnetic fields

Details Binary black holes' effects on electromagnetic fields Binary black holes' effects on electromagnetic fields

2009-05-08

arxiv.org/abs/0905.1121v2

Phys.Rev.Lett.103:081101,2009

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

4 pages, 4 figures. Updated to coincide with PRL version

Scientific paper

10.1103/PhysRevLett.103.081101

In addition to producing gravitational waves (GW), the dynamics of a binary black hole system could induce emission of electromagnetic (EM) radiation by affecting the behavior of plasmas and electromagnetic fields in their vicinity. We here study how the electromagnetic fields are affected by a pair of orbiting black holes through the merger. In particular, we show how the binary's dynamics induce a variability in possible electromagnetically induced emissions as well as a possible enhancement of electromagnetic fields during the late-merge and merger epochs. These time dependent features will likely leave their imprint in processes generating detectable emissions and can be exploited in the detection of electromagnetic counterparts of gravitational waves.

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