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Dark energy, non-minimal couplings and the origin of cosmic magnetic fields
Dark energy non-minimal couplings the origin of cosmic magnetic fields
2011/1/10
In this work we consider the most general electromagnetic theory in curved space-time leading to linear second order differential equations, including non-minimal couplings to the space-time curvature...
Geometrical Generation of Cosmic Magnetic Fields within Standard Electromagnetism
Geometrical Generation Cosmic Magnetic Fields Standard Electromagnetism
2010/10/18
We study the evolution of cosmological magnetic fields in FRW models with curved spatial sections and outline a geometrical mechanism for their superadiabatic amplification on large scales. The mechan...