Entanglement Storage in Cavity QED Setup

Bandyopadhyay, Debanu (2025) Entanglement Storage in Cavity QED Setup. Masters thesis, Indian Institute of Science Education and Research Kolkata.

Text (MS Dissertation of Debanu Bandyopadhyay (20MS032)) 20MS032_Thesis_file.pdf - Submitted Version Restricted to Repository staff only Download (1MB)

Abstract

This manuscript plans to find out the behaviour of a dipole kept inside a cavity under the action of a periodic drive, when the a decay is brought about from the system by means of a free radiation - field acting as a bosonic bath. The previous work done on a system of two atoms kept inside a cavity with the inclusion of the decay by Jena and Bhattacharyya did not include the action of the drive nor the dipole - dipole interaction. This work uses a Fluctuation - Regulated Quantum Master Equation (FRQME) Approach to solve the problem as this Quantum Master Equation readily handles the fluctuation(s) in the bath by using an extra exponential kernel arising from the ensemble averaging of the fluctuations of the bath. This project goes on to study the optimal parameters required to store the maximum possible entanglement in the cavity, which might be useful to construct a storage device with the maximum amount of quantum information storage.

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