5 papers
Schwarzschild black holes from twistor space
Tim Adamo, Bernardo Araneda, Sean Seet +1
Twistor theory forms the basis for many surprising advances in areas ranging from dynamical systems to quantum field theory. Yet for almost fifty years, one of the main drawbacks o…
Graviton scattering on self-dual black holes
Tim Adamo, Giuseppe Bogna, Lionel Mason +1
The computation of gravitational wave scattering on black hole spacetimes is an extremely hard problem, typically requiring approximation schemes that either treat the black hole p…
S-algebra in Gauge Theory: Twistor, Spacetime and Holographic Perspectives
Adam Kmec, Lionel Mason, Romain Ruzziconi +1
The celestial -algebra arose from a reinterpretation of collinear limits of the Yang-Mills S-matrix as OPEs in celestial holography. It was subsequently represented via asymptot…
Chiral higher-spin theories from twistor space
Lionel Mason, Atul Sharma
We reformulate chiral higher-spin Yang-Mills and gravity on as 'CR-holomorphic' theories of Chern-Simons type; in the most general case, these are Moyal deformed to…
Scattering on self-dual Taub-NUT
Tim Adamo, Giuseppe Bogna, Lionel Mason +1
We derive exact solutions of massless free field equations and tree-level two-point amplitudes up to spin 2 on self-dual Taub-NUT space-time, as well as on its single copy, the sel…