Entropy and entanglement in the Jaynes-Cummings model with effects of cavity damping

A. S.F. Obada; H. A. Hessian; A. B.A. Mohamed

doi:10.1088/0953-4075/41/13/135503

Entropy and entanglement in the Jaynes-Cummings model with effects of cavity damping

A. S.F. Obada
, H. A. Hessian
, A. B.A. Mohamed

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

The temporal evolution of entanglement for a single-mode field interacting with a two-level atom via intensity-dependent coupling in the off-resonant case has been studied, where the leakage of photon through the cavity is taken into account. The effects of cavity damping on the coherence properties of the atom and the field are studied. The amount of entanglement is compared with the total correlations. It is found that the atom-field system is inhibited from going into a pure state in the off-resonant case.

Original language	English
Article number	135503
Journal	Journal of Physics B: Atomic, Molecular and Optical Physics
Volume	41
Issue number	13
DOIs	https://doi.org/10.1088/0953-4075/41/13/135503
State	Published - 14 Jul 2008
Externally published	Yes

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AB - The temporal evolution of entanglement for a single-mode field interacting with a two-level atom via intensity-dependent coupling in the off-resonant case has been studied, where the leakage of photon through the cavity is taken into account. The effects of cavity damping on the coherence properties of the atom and the field are studied. The amount of entanglement is compared with the total correlations. It is found that the atom-field system is inhibited from going into a pure state in the off-resonant case.

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Entropy and entanglement in the Jaynes-Cummings model with effects of cavity damping

Abstract

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