Bootstrapping line defects in AdS3/CFT2

Mayo 20, 2025
De 3:00pm hasta 4:30pm

IFT Seminar Room/Red Room

Specialist level
Speaker: 
Ignacio Salazar Landea
Institution: 
Instituto de Física La Plata
Location&Place: 

IFT Seminar Room/Red Room

Abstract: 

We study correlators of insertions along 1/2 BPS line defects in the holographic dual to type IIB string theory in AdS3×S3×T4 with mixed Ramond-Ramond and Neveu Schwarz-Neveu Schwarz three-form flux. These defects break the symmetries of the bulk CFT2 as PSU(1,1|2)2×SO(4)PSU(1,1|2)×SU(2), defining displacement and tilt supermultiplets. We focus on the two-, three- and four-point functions of these supermultiplets, which we compute using analytic conformal bootstrap up to next-to-leading order in their strong-coupling expansion. We obtain a bootstrap result that only depends on two OPE coefficients. We perform a Witten diagram check of the bootstrap result, obtaining an holographic interpretation of the two OPE coefficients that are not constrained by the bootstrap procedure.