189 citations · 1.1k across the 22 of their papers we have counts for
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hep-th2016★ 17 cited
Ambitwistor Strings: Worldsheet Approaches to perturbative Quantum Field Theories
Yvonne Geyer
Tree-level scattering amplitudes in massless theories not only exhibit a simplicity entirely unexpected from Feynman diagrams, but also an underlying structure remarkably reminisce…
hep-th2016★ 94 cited
Two-Loop Scattering Amplitudes from the Riemann Sphere
Yvonne Geyer, Lionel Mason, Ricardo Monteiro +1
The scattering equations give striking formulae for massless scattering amplitudes at tree level and, as shown recently, at one loop. The progress at loop level was based on ambitw…