Large superconformal near-horizons from M-theory

Kelekci, O.
Lozano, Y.
Montero, J.
Colgain, E. O.
Park, M.
We report on a classification of supersymmetric solutions to 11D supergravity with SO(2, 2) x SO(3) isometry, which are AdS/CFT dual to 2D CFTs with N = (0, 4) supersymmetry. We recover the Maldacena, Strominger, Witten near-horizon with small superconformal symmetry and identify a class of AdS(3) x S-2 x S-2 x CY2 geometries with emergent large superconformal symmetry. This exhausts known compact geometries. Compactification of M-theory on CY2 results in a vacuum of 7D supergravity with large superconformal symmetry, providing a candidate near-horizon for an extremal black hole and a potential new setting to address microstates.

Citation Formats
O. Kelekci, Y. Lozano, J. Montero, E. O. Colgain, and M. Park, “Large superconformal near-horizons from M-theory,” PHYSICAL REVIEW D, vol. 93, no. 8, pp. 0–0, 2016, Accessed: 00, 2020. [Online]. Available: