publication . Article . Preprint . 2018

Conversion of gravitons into dark photons in cosmological dark magnetic fields

Jiro Soda; Emi Masaki;
Open Access English
  • Published: 31 Jul 2018
  • Publisher: American Physical Society (APS)
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.
doi: 10.1103/physrevd.98.023540
Subjects
arXiv: Astrophysics::Cosmology and Extragalactic AstrophysicsComputer Science::DatabasesPhysics::General Physics
free text keywords: Astrophysics - Cosmology and Nongalactic Astrophysics, General Relativity and Quantum Cosmology, High Energy Physics - Phenomenology, High Energy Physics - Theory, Photon, Gravitational wave, Astrophysics, COSMIC cancer database, Graviton, Dark matter, Gravitation, Physics, Magnetic field, Microwave
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