Paper:	Gravitational and Magnetohydrodynamic Waves
Volume:	470, 370 Years of Astronomy in Utrecht
Page:	197
Authors:	Kuijpers, J.
Abstract:	Gravity is known to have important effects on electromagnetic fields in the environs of compact objects. After a brief introduction to electromagnetism in general relativity, we focus on the interaction between gravitational waves (GWs) and magnetohydrodynamic (MHD) waves. We use the ideal MHD approximation, and the familiar 1+3 split of the reference frame, which allows a direct interpretation of the results by the physical observer. We show how fast magneto-sonic waves and Alfvén waves can grow in a magneto-plasma by action of gravitational waves on the ambient magnetic field in the far-field approximation for various configurations of ambient field and wave directions.

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