Fast scheme for generating quantum-interference states and GHZ state of N trapped ions
Zheng Xiao-Juan(郑小娟)a)b), Fang Mao-Fa(方卯发)a)†, Liao Xiang-Ping(廖湘萍)a), Cai Jian-Wu(蔡建武)a), and Cao Shuai(曹帅)a)
a College of Physics and Information Science,Hunan Normal University, Changsha 410081, China; b School of Physics Science and Technology, Central South University, Changsha 410083, China
Abstract We propose a fast scheme to generate the quantum-interference states of N trapped ions. In the scheme the ions are driven by a standing-wave laser beam whose carrier frequency is tuned such that the ion transition can take place. We also propose a simple and fast scheme to produce the GHZ state of N hot trapped ions and this scheme is insensitive to the heating of vibrational motion, which is important from the viewpoint of decoherence.
Received: 29 August 2006
Revised: 03 September 2006
Accepted manuscript online:
(Decoherence; open systems; quantum statistical methods)
Fund: Project supported by
the National Natural Science
Foundation of China (Grant No 10374025) and the Hunan Provincial Natural Science Foundation of China (Grant No 06JJ4003).
Cite this article:
Zheng Xiao-Juan(郑小娟), Fang Mao-Fa(方卯发), Liao Xiang-Ping(廖湘萍), Cai Jian-Wu(蔡建武), and Cao Shuai(曹帅) Fast scheme for generating quantum-interference states and GHZ state of N trapped ions 2007 Chinese Physics 16 906
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