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Type IIB supergravity solutions for polarized IKKT
Eric D'Hoker, Michael Gutperle, Christoph F. Uhlemann
The general local solutions to complexified Type IIB supergravity which are invariant under the complex Lie superalgebra , and which were derived and classified in arXiv:2508…
Complex CFTs: Holography and Interfaces
Luis Camargo-Carlos, Michael Gutperle
We investigate complex conformal field theories and interfaces between such theories, using methods of holography and two dimensional CFT. We use holography to prove the Im-flip pr…
Generalized Symmetries and Deformations of Symmetric Product Orbifolds
Nathan Benjamin, Suzanne Bintanja, Yu-Jui Chen +3
We construct generalized symmetries in two-dimensional symmetric product orbifold CFTs for a generic seed CFT . These symmetries are more…
Exact solutions to complex Type IIB supergravity for complex superalgebra and its real forms
Eric D'Hoker, Michael Gutperle, Christoph F. Uhlemann
We construct the general local solutions to complexified Type IIB supergravity which are invariant under the complexified Lie superalgebra . The geometry is a product of comp…
Janus correlators and Heun's equation
Michael Gutperle, Christina Yeo
In this paper we calculate two-point correlation functions of a massive probe scalar field in the background of the three-dimensional Janus solution. We relate the equation of moti…
Janus and RG-interfaces in minimal 3d gauged supergravity
Michael Gutperle, Charlie Hultgreen-Mena
In this paper we find solutions of minimal gauged supergravity corresponding to Janus and RG-flow interfaces. We use holography to calculate symmetric and interface entan…
A note on entanglement entropy and topological defects in symmetric orbifold CFTs
Michael Gutperle, Yan-Yan Li, Dikshant Rathore +1
In this brief note we calculate the entanglement entropy in symmetric orbifold CFTs in the presence of topological defects, which were recently constructed in \…
Non-invertible symmetries in orbifold CFTs and holography
Michael Gutperle, Yan-Yan Li, Dikshant Rathore +1
We study non-invertible defects in two-dimensional orbifold CFTs. We construct universal defects which do not depend on the details of the seed CFT and hence exist in any orb…
Holographic 6d co-dimension 2 defect solutions in M-theory
Michael Gutperle, Nicholas Klein, Dikshant Rathore
We consider the uplift of co-dimension two defect solutions of seven dimensional gauged supergravity to eleven dimensions, previously found by two of the authors. The uplifted solu…
Janus and RG interfaces in three-dimensional gauged supergravity II: General
Michael Gutperle, Charlie Hultgreen-Mena
In this paper, we continue the study of Janus and RG-flow interfaces in three dimensional supergravity continuing the work presented in [1]. We consider gauged supergr…
A note on co-dimension 2 defects in N=4,d=7 gauged supergravity
Michael Gutperle, Nicholas Klein
In this note we present a solution of gauged supergravity which is holographically dual to a co-dimension two defect living in a six dimensional SCFT. The solution is obt…
Janus and RG-flow interfaces in three-dimensional gauged supergravity
Kevin Chen, Michael Gutperle, Charlie Hultgreen-Mena
In this paper, we construct Janus-type solutions of three-dimensional gauged supergravity with sixteen supersymmetries. We find solutions which correspond to interfaces between the…
A Penrose limit for type IIB solutions
Michael Gutperle, Nicholas Klein
In this paper a Penrose limit is constructed for type IIB supergravity solutions. These solutions are dual to five dimensional SCFTs related to (p,q) five…
Surface defects in holographic 5d SCFTs
Michael Gutperle, Christoph F. Uhlemann
We use holography to study codimension-2 surface defects in 5d SCFTs engineered by 5-brane webs. The three-dimensional defects are realized by D3-branes ending on the brane…
Janus solutions in three-dimensional N=8 gauged supergravity
Kevin Chen, Michael Gutperle
Janus solutions are constructed in , gauged supergravity. We find explicit half-BPS solutions where two scalars in the coset have a nontrivial pro…
Holographic Line Defects in , Gauged Supergravity
Kevin Chen, Michael Gutperle, Matteo Vicino
We construct solutions of four-dimensional gauged supergravity coupled to vector multiplets which are holographically dual to superconformal line defects. For the gauged STU…
Janus on the Brane
Michael Gutperle, Christoph F. Uhlemann
We present a non-supersymmetric deformation of probe branes describing conformal defects of codimension two in AdS/CFT. The worldvolume of the probe branes is deformed from $AdS_{p…
Holographic Surface Defects in , Gauged Supergravity
Michael Gutperle, Matteo Vicino
Solutions describing holographic surface defects in gauged supergravity theories are constructed. It is shown that a surface defect solution in pure Romans' gauged superg…
Holographic line defects in F(4) gauged supergravity
Kevin Chen, Michael Gutperle
In this note we construct a solution of six-dimensional gauged supergravity using warped over an interval as an ansatz. The solution is completely regular,…
Spin 2 operators in holographic 4d SCFTs
Kevin Chen, Michael Gutperle, Christoph F. Uhlemann
A broad class of holographic duals for 4d SCFTs is based on the general half-BPS solutions to M-theory constructed by Lin, Lunin and Maldacena, and their Kal…
Relating AdS solutions in type IIB supergravity
Kevin Chen, Michael Gutperle
In this note we show that the IIB supergravity solutions of the form AdS found by Apruzzi et al. are related to the local solutions found by D'Hoker et al. We also di…
Conformal Defect Solutions in Gauged Supergravity
Michael Gutperle, Matteo Vicino
We consider conformal defect solutions in four dimensional gauged supergravity. These solutions are constructed as a warped product of over an interval with…
Topological interfaces in Chern-Simons theory and
Michael Gutperle, John D. Miller
Recently, topological interfaces between three-dimensional abelian Chern-Simons theories were constructed. In this note we investigate such topological interfaces in the context of…
Massive spin 2 excitations in warped spacetimes
Michael Gutperle, Christoph F. Uhlemann, Oscar Varela
We study (massive) spin-2 fluctuations around warped solutions with supersymmetries in type IIB supergravity. We identify two classes of fluctuations which are univers…