activity
20192021
most citedCircuit Complexity From Cosmological Islands

49 citations · 148 across the 6 of their papers we have counts for

collaborators

6 papers

hep-th2021★ 35 cited

Circuit Complexity as a novel probe of Quantum Entanglement: A study with Black Hole Gas in arbitrary dimensions

Kiran Adhikari, Sayantan Choudhury, Satyaki Chowdhury +2

In this article, we investigate the quantum circuit complexity and entanglement entropy in the recently studied black hole gas framework using the two-mode squeezed states formalis…

hep-th2020★ 49 cited

Circuit Complexity From Cosmological Islands

Sayantan Choudhury, Satyaki Chowdhury, Nitin Gupta +6

Recently in various theoretical works, path-breaking progress has been made in recovering the well-known Page Curve of an evaporating black hole with Quantum Extremal Islands, prop…

hep-th2020★ 5 cited

QMetrology from QCosmology: Study with Entangled Two Qubit Open Quantum System in De Sitter Space

Sayantan Choudhury, Satyaki Chowdhury, Nitin Gupta +1

In this paper, our prime objective is to apply the techniques of parameter estimation theory and the concept of Quantum Metrology in the form of Fisher Information to investigate t…

hep-th2020★ 4 cited

Indirect detection of Cosmological Constant from interacting open quantum system

Subhashish Banerjee, Sayantan Choudhury, Satyaki Chowdhury +4

We study the indirect detection of Cosmological Constant from an open quantum system of interacting spins, weakly interacting with a thermal bath, a massless scalar field minimally…

hep-th2019★ 40 cited

Open Quantum Entanglement: A study of two atomic system in static patch of de Sitter space

Samim Akhtar, Sayantan Choudhury, Satyaki Chowdhury +3

In this work, our prime objective is to study non-locality and long-range effects of two-body correlation using quantum entanglement from the various information-theoretic measures…

physics.gen-ph2019★ 15 cited

Relating the curvature of De Sitter Universe to Open Quantum Lamb Shift Spectroscopy

Hardik Bohra, Sayantan Choudhury, Prashali Chauhan +3

In this paper, we explore the connection between the curvature of the background De Sitter space-time with the spectroscopic study of entanglement of two atoms. Our set up is in th…