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4 papers
Only Flat Spacetime is Full BPS in Four Dimensional N=3 and N=4 Supergravity
Abhinava Bhattacharjee, Subramanya Hegde, Bindusar Sahoo
We investigate the fully supersymmetric solutions in a class of N=3 and N=4 higher derivative Poincaré supergravity theories. These class of theories are obtained within the frame…
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…
Differential Representation for Carrollian Correlators
Shankhadeep Chakrabortty, Subramanya Hegde, Arpit Maurya
The differential representation of AdS correlators offers a framework to express exchange Witten diagrams as functions of non-local differential operators applied to contact Witten…
Supersymmetric Index for Half BPS Black Holes in N=2 Supergravity with Higher Curvature Corrections
Subramanya Hegde, Ashoke Sen, P Shanmugapriya +1
We compute the supersymmetric index of half BPS black holes in N=2 supergravity with higher curvature corrections and show that the result agrees with the degeneracy of supersymmet…