Five dimensional 2-branes and the universal hypermultiplet
arXiv:hep-th/0701060 · doi:10.1016/j.nuclphysb.2009.02.012
Abstract
We present a discussion of black 2-branes coupled to the fields of the universal hypermultiplet of ungauged N=2 supergravity theory in five dimensions. Using a general ansatz dependent on a spherically symmetric harmonic function, we show that there are exactly two such solutions, both of which can be thought of as arising from the dimensional reduction of either M2- or M5-branes over special Lagrangian cycles of a Calabi-Yau 3-fold, confirming previous results. By relaxing some of the constraints on the ansatz, we proceed to find a more general solution carrying both M-brane charges and discuss its properties, as well as its relationship to Euclidean instantons.
In v2 the paper was completely rewritten, errors fixed and notation improved. To appear in Nuclear Physics B