no code implementations • 28 Jan 2021 • Eduardo Casali, Donald Marolf, Henry Maxfield, Mukund Rangamani
The quantum gravity path integral involves a sum over topologies that invites comparisons to worldsheet string theory and to Feynman diagrams of quantum field theory.
High Energy Physics - Theory General Relativity and Quantum Cosmology
no code implementations • 21 Jan 2021 • Donald Marolf, Jorge E. Santos
We are also able to construct two-boundary Euclidean wormholes in a variety of string compactifications that dominate over the disconnected solutions we find and that are stable with respect to field-theoretic perturbations.
High Energy Physics - Theory
no code implementations • 14 Dec 2020 • Roberto Emparan, Brianna Grado-White, Donald Marolf, Marija Tomasevic
Our wormholes may be traversed between any pair of mouths.
High Energy Physics - Theory General Relativity and Quantum Cosmology
no code implementations • 8 Dec 2020 • Abdulrahim Al Balushi, Zhencheng Wang, Donald Marolf
We discuss the non-trivial angular dependence of traversability in our construction, as well as the effect of the causal shadow region.
High Energy Physics - Theory
