paper

T-duals and Type IIB Geometries with 7-Branes

arXiv:1810.08093 · doi:10.1007/JHEP01(2019)116

Abstract

We show that the first backgrounds in Type IIB supergravity known in the literature, namely those constructed via T-duality from the Brandhuber-Oz solution to massive IIA, fit within an extension of the global solutions with 7-branes warped over a Riemann surface , recently classified by D'Hoker, Gutperle and Uhlemann, that describes delocalised 5-branes and 7-branes. The solution constructed through Abelian T-duality provides an explicit example of a Riemann surface with the topology of an annulus, that includes D7/O7-branes. In turn, the solution generated through non-Abelian T-duality arises from the upper half-plane.

36 pages plus appendices. 3 figures. v2: reference added. v3: section 5 improved, version accepted in JHEP

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