412 citations · 1.4k across the 36 of their papers we have counts for
5 papers · 1 filter
Spinning constraints on chaotic large CFTs
Chi-Ming Chang, David M. Ramirez, Mukund Rangamani
We study out-of-time ordered four-point functions in two dimensional conformal field theories by suitably analytically continuing the Euclidean correlator. For large central charge…
5d and 6d SCFTs Have No Weak Coupling Limit
Chi-Ming Chang
We prove that there does not exist any weak coupling limit in the space of superconformal field theories in five and six dimensions, based on an analysis of the representation theo…
On Melonic Supertensor Models
Chi-Ming Chang, Sean Colin-Ellerin, Mukund Rangamani
We investigate a class of supersymmetric quantum mechanical theories (with two supercharges) having tensor-valued degrees of freedom which are dominated by melon diagrams in the la…
Topological Defect Lines and Renormalization Group Flows in Two Dimensions
Chi-Ming Chang, Ying-Hsuan Lin, Shu-Heng Shao +2
We consider topological defect lines (TDLs) in two-dimensional conformal field theories. Generalizing and encompassing both global symmetries and Verlinde lines, TDLs together with…
Romans Supergravity from Five-Dimensional Holograms
Chi-Ming Chang, Martin Fluder, Ying-Hsuan Lin +1
We study five-dimensional superconformal field theories and their holographic dual, matter-coupled Romans supergravity. On the one hand, some recently derived formulae allow us to…