Weyl-invariant Einstein-Cartan gravity with a heavy ALP: Higgs Inflation and $α$-attractors
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| Format: | Preprint |
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2025
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| _version_ | 1866909698390753280 |
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| author | Karananas, Georgios K. Shaposhnikov, Mikhail Zell, Sebastian |
| author_facet | Karananas, Georgios K. Shaposhnikov, Mikhail Zell, Sebastian |
| contents | We initiate the analysis of the inflationary dynamics in Weyl-invariant Einstein-Cartan gravity nonminimally coupled to the Standard Model of particle physics. We take the axion-like particle of gravitational origin to be heavy and show that inflation with the Higgs field can be accommodated in this framework. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_15927 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Weyl-invariant Einstein-Cartan gravity with a heavy ALP: Higgs Inflation and $α$-attractors Karananas, Georgios K. Shaposhnikov, Mikhail Zell, Sebastian High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology High Energy Physics - Theory We initiate the analysis of the inflationary dynamics in Weyl-invariant Einstein-Cartan gravity nonminimally coupled to the Standard Model of particle physics. We take the axion-like particle of gravitational origin to be heavy and show that inflation with the Higgs field can be accommodated in this framework. |
| title | Weyl-invariant Einstein-Cartan gravity with a heavy ALP: Higgs Inflation and $α$-attractors |
| topic | High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2507.15927 |