2 papers
hep-th2025
Mixed signals in the IR: Positivity bounds with indefinite species
Claudia de Rham, Sumer Jaitly, Greg Kaplanek
In theories with multiple particle species standard fixed-t positivity bounds do not directly apply to 2-to-2 definite species scattering amplitudes when the initial and final stat…
hep-th2025
Double Copy in AdS3 from Minitwistor Space
Cameron Beetar, Mariana Carrillo González, Sumer Jaitly +1
The double copy relates gravitational theories to the square of gauge theories. While it is well understood in flat backgrounds, its precise realisation around curved spacetimes re…