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Oscillons during Dirac-Born-Infeld Preheating (2012.14697v2)

Published 29 Dec 2020 in hep-th, astro-ph.CO, gr-qc, and hep-ph

Abstract: Oscillons are long-lived, localized, oscillating nonlinear excitations of a real scalar field which can be abundantly produced during preheating after inflation. We give the first $(3+1)$-dimensional simulation for the oscillon formation during preheating with noncanonical kinetic terms, e.g. the Dirac-Born-Infeld form, and find that the formation of oscillons is significantly influenced by the noncanonical effect.

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