Higgs-inflaton coupling from reheating and the metastable Universe
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Gross , C , Lebedev , O & Zatta , M 2016 , ' Higgs-inflaton coupling from reheating and the metastable Universe ' , Physics Letters B , vol. 753 , pp. 178-181 . https://doi.org/10.1016/j.physletb.2015.12.014
| Title: | Higgs-inflaton coupling from reheating and the metastable Universe |
| Author: | Gross, Christian; Lebedev, Oleg; Zatta, Marco |
| Contributor organization: | Department of Physics Helsinki Institute of Physics |
| Date: | 2016-02-10 |
| Language: | eng |
| Number of pages: | 4 |
| Belongs to series: | Physics Letters B |
| ISSN: | 0370-2693 |
| DOI: | https://doi.org/10.1016/j.physletb.2015.12.014 |
| URI: | http://hdl.handle.net/10138/160981 |
| Abstract: | Current Higgs boson and top quark data favor metastability of our vacuum which raises questions as to why the Universe has chosen an energetically disfavored state and remained there during inflation. In this Letter, we point out that these problems can be solved by a Higgs-inflaton coupling which appears in realistic models of inflation. Since an inflaton must couple to the Standard Model particles either directly or indirectly, such a coupling is generated radiatively, even if absent at tree level. As a result, the dynamics of the Higgs field can change dramatically. (C) 2015 The Authors. Published by Elsevier B.V. |
| Subject: |
ELECTROWEAK VACUUM
STABILITY 114 Physical sciences |
| Peer reviewed: | Yes |
| Rights: | cc_by |
| Usage restriction: | openAccess |
| Self-archived version: | publishedVersion |
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