Gravitational waves and cosmic magnetism; a cosmological approach

Details Gravitational waves and cosmic magnetism; a cosmological approach Gravitational waves and cosmic magnetism; a cosmological approach

2002-02-27

arxiv.org/abs/gr-qc/0202095v2

Class.Quant.Grav. 19 (2002) 3709-3722

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Minor changes. References added. To appear in Class. Quantum Grav

Scientific paper

10.1088/0264-9381/19/14/311

We present the formalism for the covariant treatment of gravitational radiation in a magnetized environment and discuss the implications of the field for gravity waves in the cosmological context. Our geometrical approach brings to the fore the tension properties of the magnetic force lines and reveals their intricate interconnection to the spatial geometry of a magnetised spacetime. We show how the generic anisotropy of the field can act as a source of gravitational wave perturbations and how, depending on the spatial curvature distortion, the magnetic tension can boost or suppress waves passing through a magnetized region.

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