dorsal/arxiv
View SchemaQuantitative aspects of entanglement in the driven Jaynes-Cummings model
| Authors | Marcelo Aparecido Marchiolli |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0601084 |
| URL | https://arxiv.org/abs/quant-ph/0601084 |
| Journal | Journal of Modern Optics 53 (18) 2733 (2006) |
Abstract
Adopting the framework of the Jaynes-Cummings model with an external quantum field, we obtain exact analytical expressions of the normally ordered moments for any kind of cavity and driving fields. Such analytical results are expressed in the integral form, with their integrands having a commom term that describes the product of the Glauber-Sudarshan quasiprobability distribution functions for each field, and a kernel responsible for the entanglement. Considering a specific initial state of the tripartite system, the normally ordered moments are then applied to investigate not only the squeezing effect and the nonlocal correlation measure based on the total variance of a pair of Einstein-Podolsky-Rosen type operators for continuous variable systems, but also the Shchukin-Vogel criterion. This kind of numerical investigation constitutes the first quantitative characterization of the entanglement properties for the driven Jaynes-Cummings model.
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"abstract": "Adopting the framework of the Jaynes-Cummings model with an external quantum\nfield, we obtain exact analytical expressions of the normally ordered moments\nfor any kind of cavity and driving fields. Such analytical results are\nexpressed in the integral form, with their integrands having a commom term that\ndescribes the product of the Glauber-Sudarshan quasiprobability distribution\nfunctions for each field, and a kernel responsible for the entanglement.\nConsidering a specific initial state of the tripartite system, the normally\nordered moments are then applied to investigate not only the squeezing effect\nand the nonlocal correlation measure based on the total variance of a pair of\nEinstein-Podolsky-Rosen type operators for continuous variable systems, but\nalso the Shchukin-Vogel criterion. This kind of numerical investigation\nconstitutes the first quantitative characterization of the entanglement\nproperties for the driven Jaynes-Cummings model.",
"arxiv_id": "quant-ph/0601084",
"authors": [
"Marcelo Aparecido Marchiolli"
],
"categories": [
"quant-ph"
],
"journal_ref": "Journal of Modern Optics 53 (18) 2733 (2006)",
"title": "Quantitative aspects of entanglement in the driven Jaynes-Cummings model",
"url": "https://arxiv.org/abs/quant-ph/0601084"
},
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