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Constraints from Conformal Symmetry on the Three Point Scalar Correlator in Inflation
Nilay Kundu, Ashish Shukla, Sandip P. Trivedi
Using symmetry considerations, we derive Ward identities which relate the three point function of scalar perturbations produced during inflation to the scalar four point function,…
A Strongly Coupled Anisotropic Fluid From Dilaton Driven Holography
Sachin Jain, Nilay Kundu, Kallol Sen +2
We consider a system consisting of dimensional gravity with a negative cosmological constant coupled to a massless scalar, the dilaton. We construct a black brane solution whic…
Conformal Invariance and the Four Point Scalar Correlator in Slow-Roll Inflation
Archisman Ghosh, Nilay Kundu, Suvrat Raju +1
We calculate the four point correlation function for scalar perturbations in the canonical model of slow-roll inflation. We work in the leading slow-roll approximation where the ca…