Dynamic SU(2) Structure from Seven-branes

Details Dynamic SU(2) Structure from Seven-branes Dynamic SU(2) Structure from Seven-branes

2010-11-15

arxiv.org/abs/1011.3510v2

JHEP 1105:110,2011

Physics

High Energy Physics

High Energy Physics - Theory

49 pages, 2 figures; v2: minor corrections, references added

Scientific paper

10.1007/JHEP05(2011)110

We obtain a family of supersymmetric solutions of type IIB supergravity with dynamic SU(2) structure, which describe the local geometry near a stack of four D7-branes and one O7-plane wrapping a rigid four-cycle. The deformation to a generalized complex geometry is interpreted as a consequence of nonperturbative effects in the seven-brane gauge theory. We formulate the problem for seven-branes wrapping the base of an appropriate del Pezzo cone, and in the near-stack limit in which the four-cycle is flat, we obtain an exact solution in closed form. Our solutions serve to characterize the local geometry of nonperturbatively-stabilized flux compactifications.

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