Formation and decay of oscillons after inflation in the presence of an external coupling. Part I. Lattice simulations
Mohammed Shafi,
Edmund J. Copeland,
Rafid Mahbub
et al.
Abstract:We investigate the formation and decay of oscillons during the post-inflationary reheating epoch from inflaton oscillations around asymptotically flat potentials V(φ) in the presence of an external coupling of the form 1/2 g
2
φ
2
χ
2. It is well-known that in the absence of such an external coupling, the attractive self-interaction term in the potential leads to the formation of copious amounts of long-lived oscillons b… Show more
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