2021
DOI: 10.48550/arxiv.2112.09121
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Q-balls in Non-Minimally Coupled Palatini Inflation and their Implications for Cosmology

A. K. Lloyd-Stubbs,
J. McDonald

Abstract: We demonstrate the existence of Q-balls in non-minimally coupled inflation models with a complex inflaton in the Palatini formulation of gravity. We show that there exist Q-ball solutions which are compatible with inflation and we derive a window in the inflaton mass squared for which this is the case. In particular, we confirm the existence of Q-ball solutions with φ ∼ 10 17 − 10 18 GeV, consistent with the range of field values following the end of slow-roll Palatini inflation. We study the Q-balls and their… Show more

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