Higgs-Palatini Inflation and Unitarity
| dc.contributor.author | Bauer, Florian | |
| dc.contributor.author | Demir, Durmuş Ali | |
| dc.coverage.doi | 10.1016/j.physletb.2011.03.042 | |
| dc.date.accessioned | 2017-03-17T10:44:41Z | |
| dc.date.available | 2017-03-17T10:44:41Z | |
| dc.date.issued | 2011 | |
| dc.description.abstract | In the Higgs inflation scenario the Higgs field is strongly coupled to the Ricci scalar in order to drive primordial inflation. However, in its original form in pure metric formulation of gravity, the ultraviolet (UV) cutoff of the Higgs interactions and the Hubble rate are of the same magnitude, and this makes the whole inflationary evolution dependent of the unknown UV completion of the Higgs sector. This problem, the unitarity violation, plagues the Higgs inflation scenario. In this Letter we show that, in the Palatini formulation of gravitation, Higgs inflation does not suffer from unitarity violation since the UV cutoff lies parametrically much higher than the Hubble rate so that unknown UV physics does not disrupt the inflationary dynamics. Higgs-Palatini inflation, as we call it, is, therefore, UV-safe, minimal and endowed with predictive power. | en_US |
| dc.description.sponsorship | DIUE/CUR Generalitat de Catalunya (2009SGR502); MEC (FPA2007-66665); Consolider-Ingenio (CSD2007-00042); TUBITAK (109T718) | en_US |
| dc.identifier.citation | Bauer, F., and Demir, D. A. (2011). Higgs-Palatini inflation and unitarity. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 698(5), 425-429. doi:10.1016/j.physletb.2011.03.042 | en_US |
| dc.identifier.doi | 10.1016/j.physletb.2011.03.042 | en_US |
| dc.identifier.doi | 10.1016/j.physletb.2011.03.042 | |
| dc.identifier.issn | 0370-2693 | |
| dc.identifier.scopus | 2-s2.0-79960157729 | |
| dc.identifier.uri | https://doi.org/10.1016/j.physletb.2011.03.042 | |
| dc.identifier.uri | https://hdl.handle.net/11147/5081 | |
| dc.language.iso | en | en_US |
| dc.publisher | Elsevier Ltd. | en_US |
| dc.relation.ispartof | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics | en_US |
| dc.rights | info:eu-repo/semantics/openAccess | en_US |
| dc.subject | Higgs inflation | en_US |
| dc.subject | Palatini formalism | en_US |
| dc.subject | Unitarity | en_US |
| dc.title | Higgs-Palatini Inflation and Unitarity | en_US |
| dc.type | Article | en_US |
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| gdc.author.institutional | Demir, Durmuş Ali | |
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| gdc.description.department | İzmir Institute of Technology. Physics | en_US |
| gdc.description.endpage | 429 | en_US |
| gdc.description.issue | 5 | en_US |
| gdc.description.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |
| gdc.description.scopusquality | Q1 | |
| gdc.description.startpage | 425 | en_US |
| gdc.description.volume | 698 | en_US |
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| gdc.oaire.keywords | High Energy Physics - Theory | |
| gdc.oaire.keywords | High Energy Physics - Phenomenology | |
| gdc.oaire.keywords | High Energy Physics - Phenomenology (hep-ph) | |
| gdc.oaire.keywords | Cosmology and Nongalactic Astrophysics (astro-ph.CO) | |
| gdc.oaire.keywords | Higgs inflation | |
| gdc.oaire.keywords | High Energy Physics - Theory (hep-th) | |
| gdc.oaire.keywords | FOS: Physical sciences | |
| gdc.oaire.keywords | Unitarity | |
| gdc.oaire.keywords | Palatini formalism | |
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