paper

D4-branes wrapped on four-dimensional orbifolds through consistent truncation

arXiv:2210.15695 · doi:10.1007/JHEP02(2023)025

Abstract

We construct a consistent truncation of six-dimensional matter coupled gauged supergravity on a cornucopia of two-dimensional surfaces including a spindle, disc, domain wall and other novel backgrounds to four-dimensional minimal gauged supergravity. Using our consistent truncation we uplift known AdS solutions giving rise to four-dimensional orbifold solutions, AdS. We further uplift our solutions to massive type IIA supergravity by constructing the full uplift formulae for six-dimensional U-gauged supergravity including all fields and arbitrary Romans mass and gauge coupling. The solutions we construct are naturally interpreted as the near-horizon geometries of asymptotically AdS black holes with a four-dimensional orbifold horizon. Alternatively, one may view them as the holographic duals of superconformal quantum mechanical theories constructed by compactifying five-dimensional USp theory living on a stack of D4-D8 branes on the four-dimensional orbifolds. As a first step to identifying these quantum mechanical theories we compute the Bekenstein--Hawking entropy holographically.

v2: 49 pages, 3 figures, minor changes, published version

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