On the propagation of gravitational waves in strong magnetic fields

Abstract

The propagation of gravitational waves is explored in the cosmological context. It is explicitly demonstrated that the propagation of gravitational waves could be influenced by the medium. It is shown that in the thermal radiation, the propagation of gravitational waves in general relativity is different from that in the scalar-tensor theory. The propagation of gravitational waves is investigated in the uniform magnetic field. As a result, it is found that cosmic magnetic fields could influence on the propagation of gravitational waves to non-negligible extent. The corresponding estimation for the spiral galaxy NGC 6946 effect is made.

LaTeX 17 pages, version to appear in PRD

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• Polarization modes of gravitational waves in general modified gravity: General metric theory and general scalar-tensor theory
• Gravitational wave modes in matter
• Gravitational waves in Modified Gauss-Bonnet Gravity
• Gauge invariants of linearized gravity with a general background metric
• Scalar and Fermion field interactions with a gravitational wave
• Graviton-photon oscillation in alternative theories of gravity
• Black holes shielded by magnetic fields
• Parametric amplification of electromagnetic plasma waves in resonance with a dispersive background gravitational wave
• Self-consistent interaction of linear gravitational and electromagnetic waves in non-magnetized plasma
• Gravitational waves in minimal Maxwell $f(R)$ gravity
• Nonlinear electrodynamics, singularities and accelerated expansion
• Induced electromagnetic radiation from a charged cloud in a plane gravitational wave
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• Rings of light caused by gravitational waves