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Creators/Authors contains: "Finelli, Fabio"

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  1. ; ; ; (, Journal of Cosmology and Astroparticle Physics)
    Abstract We investigate the two-stage inflation regime in the theory of hybrid cosmological  α-attractors. The spectrum of inflationary perturbations is compatible with the latest Planck/BICEP/Keck Array results, thanks to the attractor properties of the model. However, at smaller scales, it may have a very high peak of controllable width and position, leading to a copious production of primordial black holes (PBH) and generation of a stochastic background of gravitational waves (SGWB). 
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  2. ; ; ; ; ; ; ; ; ; ; et al (, Journal of High Energy Astrophysics)
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