| Fast Generation of GHZ States with Bose–Einstein Condensate in a Cavity |
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| 基金项目： | Supported by the National Fundamental Research Program of China under Grant No. 2013CB921804, the Program for Changjiang Scholars and Innovative Research Team in University under Grant No. IRT1243, and the Natural Science Foundation of Anhui Province under Grant No. 1408085MA20 |
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| 摘 要： | It is shown that strong coupling of Bose–Einstein condensates to an optical cavity can be realized experimentally. With an additional driven microwave field, we show that a highly nonlinear coupling among atoms in a Bose–Einstein condensate can be induced with the assistance of the cavity mode. With such interaction, we can investigate the generation of many body entangled states. In particularly, we show that multipartite entangled GHZ states can be obtained in such architecture with current available techniques.
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| 收稿时间： | 2015-01-23 |
Fast Generation of GHZ States with Bose-Einstein Condensate in a Cavity |
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| Authors: | ZHANG Gang ZHOU Jian XUE Zheng-Yuan |
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| Institution: | 1. School of Mechanical and Electronic Engineering, West Anhui University, Lu'an 237012, China;
2. Anhui Xinhua University, Hefei 230088, China;
3. Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, and School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou 510006, China |
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| Abstract: | It is shown that strong coupling of Bose-Einstein condensates to an optical cavity can be realized experimentally. With an additional driven microwave field, we show that a highly nonlinear coupling among atoms in a Bose-Einstein condensate can be induced with the assistance of the cavity mode. With such interaction, we can investigate the generation of many body entangled states. In particularly, we show that multipartite entangled GHZ states can be obtained in such architecture with current available techniques. |
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| Keywords: | cavity QED GHZ states Bose-Einstein condensate |
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