Quintessential $\alpha$-attractor inflation: forecasts for Stage IV galaxy surveys

Yashar Akrami (1, 2) , Santiago Casas (3) , Senwen Deng (4) , Valeri Vardanyan (5)

1 Astrophysique
2 LERMA - Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique et Atmosphères = Laboratory for Studies of Radiation and Matter in Astrophysics and Atmospheres
3 AIM (UMR_7158 / UMR_E_9005 / UM_112) - Astrophysique Interprétation Modélisation
4 LPENS - Laboratoire de physique de l'ENS - ENS Paris
5 Kavli IPMU - Kavli Institute for the Physics and Mathematics of the Universe [Tokyo]

Mots clés: inflation; dark energy; quintessence; α-attractors; large-scale structure; cosmo- logical surveys; cosmic background radiation: polarization; dark energy: equation of state; power spectrum: primordial; curvature: perturbation; curvature: primordial; expansion: acceleration; cosmological model; galaxy; attractor; gravitation: lens; polarization; B-mode; space-time: Robertson-Walker; field theory: scalar; statistical analysis

Domaines: Astrophysique [astro-ph]; Relativité Générale et Cosmologie Quantique [gr-qc]; Physique des Hautes Energies - Phénoménologie [hep-ph]; Physique des Hautes Energies - Théorie [hep-th]

Yashar Akrami, Santiago Casas, Senwen Deng, Valeri Vardanyan. Quintessential $\alpha$-attractor inflation: forecasts for Stage IV galaxy surveys. Journal of Cosmology and Astroparticle Physics, 2021, 04, pp.006. ⟨10.1088/1475-7516/2021/04/006⟩. ⟨hal-03010987⟩