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astro-ph2008★ 38 cited
Preheating after N-flation
Diana Battefeld, Shinsuke Kawai
We study preheating in N-flation, assuming the Marčenko-Pastur mass distribution, equal energy initial conditions at the beginning of inflation and equal axion-matter couplings, wh…
astro-ph2007★ 21 cited
Magnetogenesis from Cosmic String Loops
Diana Battefeld, Thorsten Battefeld, Daniel H. Wesley +1
Large-scale coherent magnetic fields are observed in galaxies and clusters, but their ultimate origin remains a mystery. We reconsider the prospects for primordial magnetogenesis b…