Holographic Line Defects in $D=4$, $N=2$ Gauged Supergravity

Abstract

We construct solutions of four-dimensional $N=2$ gauged supergravity coupled to vector multiplets which are holographically dual to superconformal line defects. For the gauged STU and the $SU(1,n)/U(1)\times SU(n)$ coset models, we use the solutions to calculate holographic observables such as the expectation value of the defect and one-point functions in the presence of the defect.

25 pages, pdfLaTeX, 2 figures, v2: references and minor clarification added

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