no code implementations • 4 Feb 2021 • Ki-Young Choi, Su-beom Kang, Rathul Nath Raveendran
In multi-filed inflation models, the curved trajectory of the scalar fields in the field space can generate a peak in the power spectrum on small scales due to the existence of the isocurvature perturbation.
Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology
