一种制备Greenberger-Horne-Zeilinger态的简单方案

A Simplified Proposal for Realizing the Greenberger-Horne-Zeilinger States

提出一种制备Ｇｒｅｅｎｂｅｒｇｅｒ－Ｈｏｒｎｅ-Ｚｅｉｌｉｎｇｅｒ（ＧＨＺ）态的简单方案．本方案中，一个双能级原子穿过两个初始处于相干态的腔．原子与腔场的非共振相互作用使系统处于ＧＨＺ纠缠态．

A scheme is presented for the generation of Greenberger-Horne-Zeilinger (GHZ)States. In the scheme a two-level atom is sent through two separated cavities, which are initially prepared in coherent states. After nonresonant atom-field interactions ons the wholeSystem is in an entangled state with GHZ form.