A bstract We construct non-geometric AdS 4 solutions of IIB string theory where the fields in
overlap** patches are glued by elements of the S-duality group. We obtain them by …

A bstract We study a number of (3+ 1)-and (2+ 1)-dimensional defect and boundary
conformal field theories holographically dual to supergravity theories. In all cases the defects …

In this paper we study surface operators in Script N= 4 supersymmetric Yang-Mills theory.
We compute surface operator observables, such as the expectation value of surface …

Boundary effects produced by a Chern-Simons (CS) extension to electrodynamics are
analyzed exploiting the Green's function (GF) method. We consider the electromagnetic field …

The inhomogeneous abelian Higgs model with a magnetic impurity in the BPS limit is
studied for both relativistic and nonrelativistic regimes. Though the symmetry of spatial …

We study an inhomogeneous U (1) Chern-Simons Higgs model with a magnetic impurity in
the BPS limit. The potential is sextic with both broken and unbroken phases, but its minimum …

The Green's function method is used to analyze the boundary effects produced by a Chern-
Simons extension to electrodynamics. We consider the electromagnetic field coupled to a θ …

We explore a model akin to axion electrodynamics in which the axion field 𝜃 (t, x) rather than
being dynamical is a piecewise constant effective parameter 𝜃 encoding the microscopic …

A bstract In this note, we describe supersymmetric backgrounds for the four-dimensional
maximally supersymmetric Yang-Mills theory. As an extension of the method of Festuccia …

A bstract We study supersymmetric inhomogeneous field theories in 1+ 1 dimensions which
have explicit coordinate dependence. Although translation symmetry is broken, part of …