M2-branes wrapped on a topological disk

초록

Employing the method applied to M5-branes recently by Bah, Bonetti, Minasian and Nardoni, we study M2-branes on a disk with non-trivial holonomies at the boundary. In four-dimensional U(1)(4)-gauged N = 2 supergravity, we find supersymmetric AdS(2) solutions from M2-branes wrapped on a topological disk in Calabi-Yau two-, three-and four-folds. We uplift the solutions to eleven-dimensional supergravity. For the solutions from topological disk in Calabi-Yau four-folds, the Bekenstein-Hawking entropy is finite and well-defined. On the other hand, from the topological disk in Calabi-Yau two-and three-folds, we could not find solutions with finite Bekenstein-Hawking entropy.

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