Holographic duals of 3d S-fold CFTs

Understand

We construct non-geometric AdS$_4$ solutions of IIB string theory where the fields in overlapping patches are glued by elements of the S-duality group.

• We obtain them by suitable quotients of compact and non-compact geometric solutions.
• The quotient procedure suggests CFT duals as quiver theories with links involving the so-called $T[U(N)]$ theory.
• We test the validity of the non-geometric solutions (and of our proposed holographic duality) by computing the three-sphere partition function $Z$ of the CFTs.