235 citations · 1.4k across the 37 of their papers we have counts for
7 papers · 1 filter
Non-Gaussianity Consistency Relations, Initial States and Back-reaction
Sandipan Kundu
We explore the consistency relations for the three-point functions, in the squeezed limit, of scalar and tensor perturbations in single-field inflation with general initial conditi…
Entanglement and out-of-equilibrium dynamics in holographic models of de Sitter QFTs
Willy Fischler, Sandipan Kundu, Juan F. Pedraza
In this paper we study various aspects of entanglement entropy in strongly-coupled de Sitter quantum field theories in various dimensions. We find gravity solutions that are dual t…
The Membrane Paradigm and Firewalls
Tom Banks, Willy Fischler, Sandipan Kundu +1
Following the Membrane Paradigm, we show that the stretched horizon of a black hole retains information about particles thrown into the hole for a time of order the scrambling time…
Steady-state Physics, Effective Temperature Dynamics in Holography
Arnab Kundu, Sandipan Kundu
Using the gauge-gravity duality, we argue that for a certain class of out-of-equilibrium steady-state systems in contact with a thermal background at a given temperature, the macro…
Holographic Entanglement in a Noncommutative Gauge Theory
Willy Fischler, Arnab Kundu, Sandipan Kundu
In this article we investigate aspects of entanglement entropy and mutual information in a large-N strongly coupled noncommutative gauge theory, both at zero and at finite temperat…
Waveform Design for Secure SISO Transmissions and Multicasting
Ming Li, Sandipan Kundu, Dimitris A. Pados +1
Wireless physical-layer security is an emerging field of research aiming at preventing eavesdropping in an open wireless medium. In this paper, we propose a novel waveform design a…
Dynamics of Non-supersymmetric Flavours
M. Sohaib Alam, Matthias Ihl, Arnab Kundu +1
We investigate the effect of the back-reaction by non-supersymmetric probes in the Kuperstein-Sonnenschein model. In the limit where the back-reaction is small, we discuss physical…