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Open Quantum Systems Decoherence

Dispersive Jaynes-Cummings Hamiltonian describing a two-level atom interacting with a two-level single mode field

arXiv
Authors: C. J. S. Ferreira, C. Valverde, B. Baseia

Year

2016

Paper ID

43432

Status

Preprint

Abstract Read

~2 min

Abstract Words

110

Citations

N/A

Abstract

We investigate the time evolution of statistical properties of a single mode radiation field after its interaction with a two-level atom. The entire system is described by a dispersive Jaynes-Cummings Hamiltonian assuming the atomic state evolving from an initial superposition of its excited and ground states, vert erangle +vert grangle , and the field evolving from an initial superposition of two excited levels, vert n1rangle+ vert n2rangle. It is found that the field evolution is periodic, the period depending on the ratio n2/n1. The energy excitation oscillates between these two states and the statististics can be either sub- or super-Poissonian, depending on the values n1, n2.

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  • This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
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  • We investigate the time evolution of statistical properties of a single mode radiation field after its interaction with a two-level atom.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1609.06796 [2] arXiv https://arxiv.org/abs/1609.06796 [3] Publisher https://arxiv.org/abs/1609.06796

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