142 citations · 270 across the 7 of their papers we have counts for
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Ambitwistor strings and amplitudes in curved backgrounds
Stefan Nekovar
Feynman diagrams have been superseded as the tool of choice for calculating scattering amplitudes. Various other methods are not only more efficient but also explicitly exhibit bea…
Plane wave backgrounds and colour-kinematics duality
Tim Adamo, Eduardo Casali, Lionel Mason +1
We obtain the detailed Feynman rules for perturbative gauge theory on a fixed Yang-Mills plane wave background. Using these rules, the tree-level 4-point gluon amplitude is compute…
Ambitwistor string vertex operators on curved backgrounds
Tim Adamo, Eduardo Casali, Stefan Nekovar
We present vertex operators for ambitwistor strings around generic Yang-Mills, gravity and NS-NS backgrounds. The requirement that vertex operators lie in the BRST cohomology of th…
Yang-Mills theory from the worldsheet
Tim Adamo, Eduardo Casali, Stefan Nekovar
We give a new description of classical Yang-Mills theory by coupling a two-dimensional chiral CFT (which gives the tree-level S-matrix of Yang-Mills theory at genus zero) to a back…
Amplitudes on plane waves from ambitwistor strings
Tim Adamo, Eduardo Casali, Lionel Mason +1
In marked contrast to conventional string theory, ambitwistor strings remain solvable worldsheet theories when coupled to curved background fields. We use this fact to consider the…
Scattering on plane waves and the double copy
Tim Adamo, Eduardo Casali, Lionel Mason +1
Perturbatively around flat space, the scattering amplitudes of gravity are related to those of Yang-Mills by colour-kinematic duality, under which gravitational amplitudes are obta…