Domain wall flow equations and SU(3)xSU(3) structure compactifications
arXiv:0905.1334 · doi:10.1016/j.nuclphysb.2009.11.006
Abstract
We study supersymmetric domain wall solutions in four dimensions arising from the compactification of type II supergravity on a SU(3)xSU(3) structure manifold. Using a pure spinor approach, we show that the supersymmetry variations can be reinterpreted as a generalisation of the Hitchin flow equations and describe the embedding of a SU(3)xSU(3) structure manifold into a G_2xG_2 structure manifold. We find a precise agreement between the four- and ten-dimensional supergravity results. The flow equations derived here should have applications in constructing the gravity duals of Chern-Simons-matter conformal field theories.
54 pages. v2: references added and acknowledgments updated. v3: published version
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