Warped G2 throats from deformed conifolds in IIA supergravity

Abstract

We analyze the IIA supergravity solutions corresponding to a warped product of a 3D external Minkowski space and a 7D internal non-compact space, with the latter being the direct product of a deformed conifold and a circle. The specific construction allows for the presence of either a finite 4-cycle or a 3-cycle at the tip supported by the $F_4$ or the $H_3$ flux respectively. Once we mod-out by a $Z_2$ involution we can also get a G2 space, and for completeness we also report on some basic features that we expect from the embedding in a compact setup.

13 pages, 1 figure