Cluster 态的核磁共振实验制备

波谱学杂志

Cluster 态的核磁共振实验制备

张亚娟，轩亚楠，魏达秀*

华东师范大学物理系，上海市磁共振重点实验室，上海 200241

收稿日期:2013-01-30 修回日期:2013-05-09 出版日期:2014-03-05 发布日期:2014-03-05
作者简介:张亚娟(1987-)，河南人，硕士研究生，从事波谱学方面的研究．*通讯联系人：魏达秀，电话：021-62233281，E-mail: dxwei@phy.ecnu.edu.cn.
基金资助:
国家自然科学基金资助项目(11005039).

NMR Experimental Implementation of Cluster State

ZHANG Ya-juan，XUAN Ya-nan，WEI Da-xiu*

Shanghai Key Laboratory of Magnetic Resonance, Department of Physics, East China Normal University, Shanghai 200241, China

Received:2013-01-30 Revised:2013-05-09 Online:2014-03-05 Published:2014-03-05
About author:*Corresponding author：WEI Da-xiu, Tel: 021-62233281, E-mail: dxwei@phy.ecnu.edu.cn.
Supported by:
国家自然科学基金资助项目(11005039).

摘要/Abstract

摘要：

利用一种优化的幺正算符制备了一种高度纠缠态——cluster 态，这个优化的幺正算符因为只需要施加非选择性脉冲，其所用的时间被明显缩短．该文选择一个三量子位的自旋体系，在核磁共振仪器上进行了实验验证，实验过程中先制备了一个三量子位的纯态，然后通过施加优化的幺正算符即可得到三量子位的cluster 态，实验结果证明了优化幺正算符的有效性．

关键词: 核磁共振(NMR), cluster 态, 量子计算

Abstract:

This paper exploits one optimized unitary operator to prepare a type of highly entangled state of multiple qubits—cluster state. Based on optimal control theory, the duration of optimized unitary operator has been shortened due to the application of a series of non-selective pulse. We experimentally implemented the optimized unitary operator on a NMR spectrometer. By firstly generating a pseudo-pure state, a three-qubit cluster state was produced by applying the optimized unitary operator. Our experimental results show the feasibility of the optimized unitary operator.

Key words: NMR, cluster state, quantum computation

中图分类号:

O482.53

张亚娟，轩亚楠，魏达秀*. Cluster 态的核磁共振实验制备[J]. 波谱学杂志.

ZHANG Ya-juan，XUAN Ya-nan，WEI Da-xiu*.

NMR Experimental Implementation of Cluster State

[J]. Chinese Journal of Magnetic Resonance.

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