2 papers
hep-th2026
Celestial 1-form symmetries
Laurent Freidel, Atul Sharma
The -algebra originally arose as a chiral algebra of asymptotic symmetries of Yang-Mills theory. We show that in the self-dual sector of Yang-Mills, the -algebra gets upgrade…
hep-th2024
No-Boundary State for Klein Space
Walker Melton, Atul Sharma, Andrew Strominger +1
Analytic continuation from signature Minkowski to signature Klein space has emerged as a useful tool for the understanding of scattering amplitudes and flat space h…