Effects of noise on entanglement dynamics in atom-field interactions
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| Format: | Artículo científico |
| Langue: | en |
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Sociedade Brasileira de Física
2008
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| _version_ | 1876464701607510016 |
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| author | Hünkar Kayhan |
| author_facet | Hünkar Kayhan |
| contents | Effects of noise on entanglement dynamics in atom-field interactions Hünkar Kayhan Física, Astronomía y Matemáticas Entanglement Mutual entropy Random phase telegraph noise The entanglement dynamics in a system of the interaction of an atom with a single-mode cavity field in the presence of noise is studied by the Jaynes-Cummings model. Random phase telegraph noise is considered as the noise in the interaction and an exact solution to the model under this noise is obtained. The obtained solution is used to investigate the entanglement dynamics of the atom-field interaction. The mutual entropy is adopted for the quantification of the entanglement in the interaction. It is found that the entanglement is a non monotonic function of the intensity of the noise. The degree of the entanglement decreases to a minimum value for an optimal intensity of the noise and then increases for a sufficiently large intensity. 2008 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46413552004 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3A Vol.38 |
| format | Artículo científico |
| id | redalyc_46413552004 |
| institution | Redalyc |
| language | en |
| publishDate | 2008 |
| publisher | Sociedade Brasileira de Física |
| spellingShingle | Effects of noise on entanglement dynamics in atom-field interactions Hünkar Kayhan Física, Astronomía y Matemáticas Entanglement Mutual entropy Random phase telegraph noise Effects of noise on entanglement dynamics in atom-field interactions Hünkar Kayhan Física, Astronomía y Matemáticas Entanglement Mutual entropy Random phase telegraph noise The entanglement dynamics in a system of the interaction of an atom with a single-mode cavity field in the presence of noise is studied by the Jaynes-Cummings model. Random phase telegraph noise is considered as the noise in the interaction and an exact solution to the model under this noise is obtained. The obtained solution is used to investigate the entanglement dynamics of the atom-field interaction. The mutual entropy is adopted for the quantification of the entanglement in the interaction. It is found that the entanglement is a non monotonic function of the intensity of the noise. The degree of the entanglement decreases to a minimum value for an optimal intensity of the noise and then increases for a sufficiently large intensity. 2008 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46413552004 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3A Vol.38 |
| title | Effects of noise on entanglement dynamics in atom-field interactions |
| topic | Física, Astronomía y Matemáticas Entanglement Mutual entropy Random phase telegraph noise |
| url | https://www.redalyc.org/articulo.oa?id=46413552004 |