Joint cosmology seminar at Tufts online:
Tuesday, April 27, 2021, 2:30 pm
Zoom link will be distributed to joint cosmology seminar mailing list. If not
subscribed see https://cosmos.phy.tufts.edu/mailman/listinfo/cosmology-seminar
On Vacuum Transitions and the String Landscape
Cambridge and ICTP
Motivated by the string theory landscape we revisit vacuum transitions in gravitational EFTs following the Hamiltonian formalism and compare with the standard Euclidean approach. Several aspects are emphasised such as up-tunneling transitions, including Minkowski to de Sitter, and the curvature of space after tunnelling.