QCD axion from broken scale symmetry
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arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
| Veröffentlicht: |
2026
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| _version_ | 1866911685613191168 |
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| author | Karananas, Georgios K. Shaposhnikov, Mikhail |
| author_facet | Karananas, Georgios K. Shaposhnikov, Mikhail |
| contents | A consistent non-compact axion cosmology requires a non-periodic field, an effective field theory valid sufficiently above the inflationary scale, and a small non-QCD contribution to the potential that tilts the axionic vacuum landscape in order to trigger a timely domain-wall collapse. All conditions can be met by the dilaton -- the pseudo-Nambu-Goldstone boson of spontaneously broken approximate scale invariance. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_14684 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | QCD axion from broken scale symmetry Karananas, Georgios K. Shaposhnikov, Mikhail High Energy Physics - Theory General Relativity and Quantum Cosmology High Energy Physics - Phenomenology A consistent non-compact axion cosmology requires a non-periodic field, an effective field theory valid sufficiently above the inflationary scale, and a small non-QCD contribution to the potential that tilts the axionic vacuum landscape in order to trigger a timely domain-wall collapse. All conditions can be met by the dilaton -- the pseudo-Nambu-Goldstone boson of spontaneously broken approximate scale invariance. |
| title | QCD axion from broken scale symmetry |
| topic | High Energy Physics - Theory General Relativity and Quantum Cosmology High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2605.14684 |