4 papers · 1 filter
Curve integral formula for the Möbius strip
Amit Suthar
The scattering amplitudes for colored scalars can be calculated using the so-called curve integral formula, relying on simple combinatorics. It introduces a set of global Schwinger…
Symplectic Grassmannian description of the Coulomb branch three and four point amplitudes
Veronica Calvo Cortes, Yassine El Maazouz, Subramanya Hegde +1
We present a formulation of the three- and four-point amplitudes on the Coulomb branch of N=4 SYM as integrals over the symplectic Grassmannian. We demonstrate that their kinematic…
Positive Geometries, Corolla Polynomial and Gauge Theory Amplitudes
Alok Laddha, Amit Suthar
Arkani-Hamed, Bai, He, and Yan (ABHY) discovered a convex realisation of the associahedron whose combinatorial and geometric structure generates tree-level amplitudes in bi-adjoint…
On-shell functions on the Coulomb branch of SYM
Md. Abhishek, Subramanya Hegde, Dileep P. Jatkar +2
We study on-shell functions in the kinematic space for the Coulomb branch of SYM. We construct BCFW bridges that help us build bigger on-shell functions. As a conse…