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#### The (amazing) Super-Maze

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##### Citation

Bena, I., Hampton, S. D., Houppe, A., Li, Y., & Toulikas, D. (2023). The (amazing)
Super-Maze.* Journal of High Energy Physics,* *03*, 237.
doi:10.1007/JHEP03(2023)237.

Cite as: https://hdl.handle.net/21.11116/0000-000F-117C-3

##### Abstract

The entropy of the three-charge NS5-F1-P black hole in Type IIA string theory comes from the breaking of $N_1$ F1 strings into $N_1 N_5$ little strings, which become independent momentum carriers. In M theory, the little strings correspond to strips of M2 brane that connect pairs of parallel M5 branes separated along the M-theory direction. We show that if one takes into account the backreaction of the M-theory little strings on the M5 branes one obtains a maze-like structure, to which one can add momentum waves. We also show that adding momentum waves to the little strings gives rise to a momentum-carrying brane configuration -- a super-maze -- which locally preserves 16 supercharges. We therefore expect the backreaction of the super-maze to give rise to a new class of horizonless black-hole microstate solutions, which preserve the rotational symmetry of the black-hole horizon and carry $\sqrt{5/6}$ of its entropy.