3 papers
hep-th2020
QED positivity bounds
Lasma Alberte, Claudia de Rham, Sumer Jaitly +1
We apply positivity bounds directly to a gauge theory with charged scalars and charged fermions, i.e. QED, minimally coupled to gravity. Assuming that the massless -chann…
hep-th2020
Positivity Bounds and the Massless Spin-2 Pole
Lasma Alberte, Claudia de Rham, Sumer Jaitly +1
The presence of a massless spin-2 field in an effective field theory results in a -channel pole in the scattering amplitudes that precludes the application of standard positivit…
hep-th2019
Twistor fishnets
Tim Adamo, Sumer Jaitly
Four-dimensional conformal fishnet theory is an integrable scalar theory which arises as a double scaling limit of -deformed maximally supersymmetric Yang-Mills. We give a pertu…