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hep-th2015★ 21 cited
From Linear to Non-linear Supersymmetry via Functional Integration
Renata Kallosh, Anna Karlsson, Divyanshu Murli
We derive a complete pure de Sitter supergravity action with non-linearly realized supersymmetry and its rigid limit, the Volkov-Akulov action, from the corresponding models with l…
hep-th2015★ 5 cited
Pure spinor indications of ultraviolet finiteness in D=4 maximal supergravity
Anna Karlsson
The ultraviolet divergences of amplitude diagrams in maximal supergravity are characterised by a first possible divergence at seven loops for the 4-point amplitude (logarithmic) an…