Leptogenesis from spontaneous symmetry breaking during inflation

DOI10.1007/JHEP12(2019)088zbMATH Open1479.85012arXiv1905.10537WikidataQ126563887 ScholiaQ126563887MaRDI QIDQ2303167

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Publication date: 2 March 2020

Published in: (Search for Journal in Brave)

Abstract: Symmetry breaking in the Higgs field via a non-minimal coupling to gravity or higher-dimensional interactions with the inflaton can lead to condensation at a large vacuum expectation value (VEV) during inflation. After inflation is over, the Higgs field must relax to the minimum of its effective potential, creating an era in which the CPT is effectively broken by the time-depended VEV. We show that the matter-antimatter asymmetry can be generated during this relaxation epoch.

Full work available at URL: https://arxiv.org/abs/1905.10537

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