Abstract
In M-theory, the only AdS7 supersymmetric solutions are AdS7 × S 4 and its orbifolds. In this paper, we find and classify new supersymmetric solutions of the type AdS7 × M 3 in type II supergravity. While in IIB none exist, in IIA with Romans mass (which does not lift to M-theory) there are many new ones. We use a pure spinor approach reminiscent of generalized complex geometry. Without the need for any Ansatz, the system determines uniquely the form of the metric and fluxes, up to solving a system of ODEs. Namely, the metric on M 3 is that of an S 2 fibered over an interval; this is consistent with the Sp(1) R-symmetry of the holographically dual (1,0) theory. By including D8 brane sources, one can numerically obtain regular solutions, where topologically M 3 ≅ S 3.
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ArXiv ePrint: 1309.2949
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Apruzzi, F., Fazzi, M., Rosa, D. et al. All AdS7 solutions of type II supergravity. J. High Energ. Phys. 2014, 64 (2014). https://doi.org/10.1007/JHEP04(2014)064
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DOI: https://doi.org/10.1007/JHEP04(2014)064