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Title: Leptogenesis from spontaneous symmetry breaking during inflation

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.

Authors:
 [1];  [2];  [2]
  1. Univ. of Tokyo (Japan)
  2. Univ. of Tokyo (Japan). Kavli Inst. for the Physics and Mathematics of the Universe (Kavli IPMU)
Publication Date:
Research Org.:
Univ. of California, Los Angeles, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF)
OSTI Identifier:
1608307
Grant/Contract Number:  
SC0009937; PHY-1607611
Resource Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2019; Journal Issue: 12; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Cosmology of Theories beyond the SM; Spontaneous Symmetry Breaking; CP violation; Higgs Physics

Citation Formats

Wu, Yi-Peng, Yang, Louis, and Kusenko, Alexander. Leptogenesis from spontaneous symmetry breaking during inflation. United States: N. p., 2019. Web. https://doi.org/10.1007/JHEP12(2019)088.
Wu, Yi-Peng, Yang, Louis, & Kusenko, Alexander. Leptogenesis from spontaneous symmetry breaking during inflation. United States. https://doi.org/10.1007/JHEP12(2019)088
Wu, Yi-Peng, Yang, Louis, and Kusenko, Alexander. Wed . "Leptogenesis from spontaneous symmetry breaking during inflation". United States. https://doi.org/10.1007/JHEP12(2019)088. https://www.osti.gov/servlets/purl/1608307.
@article{osti_1608307,
title = {Leptogenesis from spontaneous symmetry breaking during inflation},
author = {Wu, Yi-Peng and Yang, Louis and Kusenko, Alexander},
abstractNote = {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.},
doi = {10.1007/JHEP12(2019)088},
journal = {Journal of High Energy Physics (Online)},
number = 12,
volume = 2019,
place = {United States},
year = {2019},
month = {12}
}

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