180 citations · 1.6k across the 41 of their papers we have counts for
42 papers
All invariant gluon OPEs on the celestial sphere
Shamik Banerjee, Raju Mandal, Sagnik Misra +2
algebra is an infinite dimensional Lie algebra which is known to be the symmetry algebra of some gauge theories. It is a "coloured version" of the . In this paper…
Celestial OPE in Self Dual Gravity
Shamik Banerjee, Harshal Kulkarni, Partha Paul
In this paper we compute the celestial operator product expansion between two outgoing positive helicity gravitons in the self dual gravity. It has been shown that the self dual gr…
An infinite family of invariant theories on the celestial sphere
Shamik Banerjee, Harshal Kulkarni, Partha Paul
In this note we determine the graviton-graviton OPE and the null states in any symmetric theory on the celestial sphere. Our analysis shows that there exists a discr…
MHV Gluon Scattering in the Massive Scalar Background and Celestial OPE
Shamik Banerjee, Raju Mandal, Akavoor Manu +1
In this paper we study the OPE between two positive helicity outgoing gluons in the celestial CFT for the Yang-Mills theory chirally coupled to a massive scalar background. This th…
Revisiting the Shadow Stress Tensor in Celestial CFT
Shamik Banerjee, Sabrina Pasterski
We revisit the standard construction of the celestial stress tensor as a shadow of the subleading conformally soft graviton. In its original formulation there is an obstruction to…
Scattering Amplitudes: Celestial and Carrollian
Arjun Bagchi, Shamik Banerjee, Rudranil Basu +1
Recent attempts at the construction of holography for asymptotically flat spacetimes have taken two different routes. Celestial holography, involving a two dimensional (2d) CFT dua…