Smoking guns of a bounce in modified theories of gravity through the spectrum of the gravitational waves

Mariam Bouhmadi-Lopez, Joao Morais, Alfredo B. Henriques

We present an inflationary model preceded by a bounce in a metric theory a lá $f(R)$ where $R$ is the scalar curvature of the space-time. The model is asymptotically de Sitter such…