期刊
QUANTUM INFORMATION PROCESSING
卷 16, 期 2, 页码 -出版社
SPRINGER
DOI: 10.1007/s11128-016-1511-9
关键词
Entanglement swapping; Optomechanics; Hybrid Systems; Bose-Einstein condensation
资金
- office of graduate studies of the University of Kashan
- University of Hormozgan
- Council of University of Kashan [572801/4]
In this paper, firstly, we consider bipartite entanglement between each part of an optomechanical cavity composed of one-dimensional Bose-Einstein condensate (BEC). We investigate atomic collision on the behaviour of the BEC in the week photon-atom coupling constant and use Bogoliubov approximation for the BEC. Secondly under above condition, we propose a scheme for entanglement swapping protocol which involves tripartite systems. In our investigation, we consider a scenario where BECs, moving mirrors, and optical cavity modes are given in a Gaussian state with a covariance matrix. By applying the Bell measurement to the output optical field modes, we show how the remote entanglement between two BECs, two moving mirrors, and BEC-mirror modes in different optomechanical cavity can be generated.
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