Astronomy and Astrophysics – Astrophysics
Scientific paper
2004-11-07
Mon.Not.Roy.Astron.Soc.363:521-528,2005
Astronomy and Astrophysics
Astrophysics
8 pages
Scientific paper
10.1111/j.1365-2966.2005.09442.x
We study the possibility of generating magnetic fields during the evolution of electron, proton, and photon plasma in the pre-recombination era. We show that a small magnetic field can be generated in the second order of perturbation theory for scalar modes with adiabatic initial conditions. The amplitude of the field is $\la 10^{-30} \rm G$ at the present epoch for scales from sub-kpc to $\ga 100 \rm Mpc$.
Gopal Rajesh
Sethi Shiv
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