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tt* Geometry in 3 and 4 Dimensions
Sergio Cecotti, Davide Gaiotto, Cumrun Vafa
We consider the vacuum geometry of supersymmetric theories with 4 supercharges, on a flat toroidal geometry. The 2 dimensional vacuum geometry is known to be captured by the …
Bootstrapping the 3d Ising twist defect
Davide Gaiotto, Dalimil Mazac, Miguel F. Paulos
Recent numerical results point to the existence of a conformally invariant twist defect in the critical 3d Ising model. In this note we show that this fact is supported by both eps…
Surface Defects and Resolvents
Davide Gaiotto, Sergei Gukov, Nathan Seiberg
We study a large class of BPS surface defects in 4d N=2 gauge theories. They are defined by coupling a 2d N=(2,2) gauged linear sigma model to the 4d bulk degrees of freedom. Our m…
Kazama-Suzuki models and BPS domain wall junctions in N=1 SU(n) Super Yang-Mills
Davide Gaiotto
Domain walls in N=1 supersymmetric Yang-Mills theory conjecturally support topological degrees of freedom at low energy. Domain wall junctions are thus expected to support gapless…
RG Domain Walls and Hybrid Triangulations
Tudor Dimofte, Davide Gaiotto, Roland van der Veen
This paper studies the interplay between the N=2 gauge theories in three and four dimensions that have a geometric description in terms of twisted compactification of the six-dimen…
On Three Dimensional Quiver Gauge Theories and Integrability
Davide Gaiotto, Peter Koroteev
In this work we compare different descriptions of the space of vacua of certain three dimensional N=4 superconformal field theories, compactified on a circle and mass-deformed to N…