Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2004-03-22
Nucl.Phys.B695:243-266,2004
Physics
High Energy Physics
High Energy Physics - Theory
Latex, 28 pages. Minor changes, reference added
Scientific paper
10.1016/j.nuclphysb.2004.06.037
We propose a general spinor Ansatz to find supersymmetric configurations preserving 4-dimensional Poincare' invariance in the context of type IIB supergravity in the presence of general fluxes. We show how this removes the imaginary-selfduality (ISD) constraint on the 3-form flux and present a simple example with nonvanishing (0,3) flux. To characterize the geometrical properties of such configurations we will use the tool of SU(2) structures on the internal space, which are naturally linked to the form of the Ansatz we propose.
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