| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1541225 | Optics Communications | 2008 | 5 Pages |
Abstract
A driven three-level atom system in free-space is investigated. The quantum entropy between the three-level atom and its spontaneous field is calculated. The entanglement between them and the influence of the classical field Ω on the entanglement are studied. The result indicates that there is a steady entanglement between the three-level atom and its spontaneous field, and they cannot be disentangled even the classical field is very large. In addition, the entanglement of the k photons and q photons is studied, it shows the two field is entangled for short time evolution.
Related Topics
Physical Sciences and Engineering
Materials Science
Electronic, Optical and Magnetic Materials
Authors
Yong Hong Ma, Qing Xia Mu, Ling Zhou,