23–25 Oct 2024
University of Pisa, Polo Fibonacci Ed. C, Dipartimento di Informatica, Aula Gerace
Europe/Rome timezone

Scalar-tensor perturbation mixing in Cosmology

24 Oct 2024, 11:30
30m
Aula Gerace (University of Pisa, Polo Fibonacci Ed. C, Dipartimento di Informatica, Aula Gerace)

Aula Gerace

University of Pisa, Polo Fibonacci Ed. C, Dipartimento di Informatica, Aula Gerace

Largo Bruno Pontecorvo 3, I-56127, Pisa, Italy
Invited speaker talk Cosmology

Speaker

Prof. Sabino Matarrese (Istituto Nazionale di Fisica Nucleare)

Description

I will review the several new effects emerging from the combined non-linear action of scalar and tensor modes. Among these: scalar-induced gravitational waves, scalar fluctuation modulation of gravitational waves, anisotropies of the gravitational-wave background induced by large-scale scalar and tensor cosmological inhomogeneities, tensor-induced scalar perturbations. I'll also discuss the wave-optics limit of gravitational waves.

Primary author

Prof. Sabino Matarrese (Istituto Nazionale di Fisica Nucleare)

Presentation materials