AdS${}_2$ near-horizons, defects and string dualities

Abstract

We construct a new family of ${\text{AdS}}_2\times S^3\times S^2$ solutions to Type IIB supergravity arising as near-horizon geometries of D1-F1-D3-D5-NS5-D7 brane intersections preserving 4 supersymmetries. We show that a subclass of these solutions asymptotes locally to the ${\text{AdS}}_6\times S^2\times {\Sigma }_2$ solution to Type IIB supergravity holographically dual to the five dimensional Sp(N) fixed point theory. This suggests that these solutions can be interpreted as D1-F1-D3 line defects within this CFT. Switching off the D7-branes, we act with $\text{SL}(2,\mathbb{R})$ to construct a second family of solutions that can be related to an ${\text{AdS}}_3\times S^3\times S^3$ class of M-theory backgrounds describing surface defects within the six dimensional (1,0) SCFT dual to ${\text{AdS}}_7/{\mathbb{Z}}_k\times S^4$. Finally, using non-Abelian T-duality we construct new classes of ${\text{AdS}}_2\times S^2\times S^2$ solutions to Type IIA supergravity with 4 supercharges and elaborate on their M-theory origin.

24 pages

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Cited by in corpus (3)

• New ${\text{AdS}}_2/{\text{CFT}}_1$ pairs from ${\text{AdS}}_3$ and monopole bubbling
• Line and surface defects in 5D N=2 SCFT from matter-coupled F(4) gauged supergravity
• Twisted compactifications and conformal defects from ISO(3)xU(1) F(4) gauged supergravity