171 citations · 1.7k across the 60 of their papers we have counts for
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hep-th2015
Towards a Worldsheet Description of N=8 Supergravity
Arthur Lipstein, Volker Schomerus
In this note we address the worldsheet description of 4-dimensional N=8 supergravity using ambitwistors. After gauging an appropriate current algebra, we argue that the only physic…
hep-th2015
Soft Theorems from Conformal Field Theory
Arthur E. Lipstein
Strominger and collaborators recently proposed that soft theorems for gauge and gravity amplitudes can be interpreted as Ward identities of a 2d CFT at null infinity. In this paper…