Conversion of Gravitons into Dark Photons in Cosmological Dark Magnetic Fields
arXiv:1804.00458 · doi:10.1103/PhysRevD.98.023540
Abstract
It is well known that gravitons can convert into photons, and vice versa, in the presence of cosmological magnetic fields. We study this conversion process in the context of atomic dark matter scenario. In this scenario, we can expect cosmological dark magnetic fields, which are free from the stringent constraint from the cosmic microwave observations. We find that gravitons can effectively convert into dark photons in the presence of cosmological dark magnetic fields. The graviton-dark photon conversion effect may open up a new window for ultra high frequency gravitational waves.
arXiv comment36 pages, 20 figures, published version
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