no code implementations • 11 Dec 2020 • Shing Yan Li
We show that in large class of gravity models, localization of gravity is not possible for codimension-2 branes with at least one noncompact extra dimension.
High Energy Physics - Theory General Relativity and Quantum Cosmology
no code implementations • 20 Oct 2020 • Shing Yan Li, Yu-Cheng Qiu, S. -H. Henry Tye
Guided by the naturalness criterion for an exponentially small cosmological constant, we present a string theory motivated 4-dimensional $\mathcal{N}=1$ non-linear supergravity model (or its linear version with a nilpotent superfield) with spontaneous supersymmetry breaking.
High Energy Physics - Theory High Energy Physics - Phenomenology
