Quantum-corrected $$\phi ^{4}$$ ϕ 4 inflation in light of ACT observations
Abstract Recent measurements from the Atacama Cosmology Telescope (ACT), combined with Planck and DESI data, suggest a scalar spectral index $$n_s$$ n s higher than the Planck 2018 baseline, thereby placing conventional attractor-type inflationary models such as Starobinsky $$R^2$$ R 2 and Higgs inf...
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| Autori principali: | , , , |
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| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
SpringerOpen
2025-11-01
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| Serie: | European Physical Journal C: Particles and Fields |
| Accesso online: | https://doi.org/10.1140/epjc/s10052-025-15060-6 |
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