Effect of Squeezing on the Atomic and the Entanglement Dynamics in the Jaynes-Cummings Model
Abstract
The dynamics of the Jaynes-Cummings interaction of a two-level atom interacting with a single mode of the radiation field is investigated, as the state of the field is gradually changed from a coherent state to a squeezed coherent state. The effect of mild squeezing on the coherent light is shown to be striking: the photon number distribution gets localized and it peaks maximally for a particular value of squeezing. The atomic inversion retains its structure for a longer time. The mean linear entropy shows that the atom has a tendency to get disentangled from field within the collapse region and also in the revival region, for mild squeezing. These properties are absent for the case of a coherent state or for an excessively squeezed coherent state. We also elucidate a connection between these properties and the photon statistics of the mildly squeezed coherent state; these states have the minimum variance and are also maximally sub-Poissonian.
Keywords
Cite
@article{arxiv.1203.4792,
title = {Effect of Squeezing on the Atomic and the Entanglement Dynamics in the Jaynes-Cummings Model},
author = {T. Subeesh and Vivishek Sudhir and A. B. M. Ahmed and M. Venkata Satyanarayana},
journal= {arXiv preprint arXiv:1203.4792},
year = {2012}
}