Astronomy and Astrophysics – Astrophysics
Scientific paper
2008-04-30
Phys. Lett. B 705, 292 (2011)
Astronomy and Astrophysics
Astrophysics
7 pages, accepted for publication in Phys. Lett. B
Scientific paper
10.1016/j.physletb.2011.10.045
The origin of magnetic fields in astrophysical objects is a challenging problem in astrophysics. Throughout the years, many scientists have suggested that non-minimal gravitational-electromagnetic coupling (NMGEC) could be the origin of the ubiquitous astrophysical magnetic fields. We investigate the possible origin of intense magnetic fields $\sim 10^{15}-10^{16}$ by NMGEC near rotating neutron stars and black holes, connected with magnetars, quasars, and gamma-ray bursts. Whereas these intense magnetic fields are difficult to explain astrophysically, we find that they are easily explained by NMGEC.
de Souza Rafael S.
Opher Reuven
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