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We evaluate the one loop determinant of matter multiplet fields of $ \mathcal{N} = 4 $ supergravity in the near horizon geometry of quarter BPS black holes, and use it to calculate logarithmic… (More)

A bstractWe compute logarithmic corrections to the entropy of supersymmetric extremal black holes in $$ \mathcal{N} = {4} $$ and $$ \mathcal{N} = {8} $$ supersymmetric string theories and find… (More)

A bstractMotivated by developments in vectorlike holography, we study SU(N) Chern-Simons theory coupled to matter fields in the fundamental representation on various spatial manifolds. On the spatial… (More)

In heterotic string theory compactified on T6, the T-duality orbits of dyons of charge (Q, P) are characterized by O(6, 22; ) invariants Q2, P2 and Q ⋅ P together with a set of invariants of the… (More)

A bstractWe investigate constraints imposed by entanglement on gravity in the context of holography. First, by demanding that relative entropy is positive and using the Ryu-Takayanagi entropy… (More)

A bstractIn this paper we revisit the question that in what sense empty AdS5 black brane geometry can be thought of as RG-flow. We do this by first constructing a holographic c-function using causal… (More)

A bstractWe develop a framework of calculating entanglement entropy for non-conformal field theories with the use of the dilaton effective action. To illustrate it, we locate a theory on a cylinder… (More)

The world-volume theory of multiple M2-branes proposed recently has a free scalar field. For large vev of this scalar field the world-volume action reduces to that of multiple D2-branes with… (More)

- Shamik Banerjee
- 2014

Following the ideas developed by Komargodski and Schwimmer in (5, 6), we argue that the IR dilaton eective action on the cone computes the entanglement

- Shamik Banerjee
- 2015

A bstractCausal horizons in pure Poincare AdS are Killing horizons generated by dilatation vector. Renormalization group (RG) flow breaks the dilatation symmetry and makes the horizons dynamical. We… (More)