Fast Generation of GHZ States with Bose—Einstein Condensate in a Cavity

Author: Gang Zhang   Jian Zhou   Zheng-Yuan Xue  

Publisher: IOP Publishing

E-ISSN: 1572-9494|63|5|588-590

ISSN: 0253-6102

Source: Communications in Theoretical Physics, Vol.63, Iss.5, 2015-05, pp. : 588-590

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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.