国家教育部博士点基金(20060357008)

作品数：8被引量：7H指数：2
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利用腔的输入输出过程制备多原子纠缠态(英文)
《安徽大学学报（自然科学版）》2010年第5期38-43,共6页潘国柱 杨名 张刚 曹卓良 
国家自然科学基金资助项目(10704001,60678022);高等学校博士点专项科研基金资助项目(20060357008);安徽省自然科学基金资助项目(070412060);安徽省教育厅基金重点资助项目(KJ2008A28ZC,KJ2008B265,KJ2009A048Z,2010SQRL153ZD,KJ2010A323,2010SQRL187,2008JQ1183)
论文提出一些制备多原子纠缠态的物理方案,这些方案是依靠辅助腔和单光子脉冲相互作用来完成的.即使原子不在Lamb-Dicke体系中,通过此方案产生的纠缠态仍具有很高的保真度.从实验的观点来看,较少的操作数目和简单的装置使此方案更容易实现.
关键词：纠缠态 W态 Graph态 腔量子电动力学 
Entanglement evolution of a two-qubit system with decay beyond the rotating-wave approximation
《Chinese Physics B》2009年第11期4662-4666,共5页杨青 杨名 李大创 曹卓良 
Project supported by the National Natural Science Foundation of China (Grant Nos 60678022 and 10704001);the Specialized Research Fund for the Doctoral Program of Higher Education (Grant No 20060357008);Anhui Provincial Natural Science Foundation of China (Grant No 070412060);the Key Program of the Education Department of Anhui Province of China (Grant No KJ2008A28ZC);Anhui Key Laboratory of Information Materials and Devices (Anhui University of China)
The entanglement property of two identical atoms, initially entangled in Bell states, coupled to a single-mode cavity is considered. Based on the reduced non-perturbative quantum master equation method, the entangleme...
关键词：quantum entanglement beyond rotating-wave approximation 
用约瑟夫森结量子比特制备簇态(英文)被引量：4
《量子电子学报》2009年第5期570-576,共7页陶蕊 郑小虎 曹卓良 
Natural Science Foundation of China(60678022,10704001,10674001);Doctoral Fund of Ministry of Education of China(20060357008);Anhui Provincial Natural Science Foundation(070412060);Key Program of the Education Department of Anhui Province(KJ2008A28ZC,KJ2007B082,KJ2008B265)
高度纠缠的簇态是一种常见的测量基的量子计算的资源。提出了基于约瑟夫森比特的簇态实现方案。方案简单且易于操作,每个量子比特是通过包括一个超导岛和一个库伯对盒来实现的,任意两个约瑟夫森结量子比特可以通过一个对称的直流射频超...
关键词：量子光学 簇态 超导量子比特 约瑟夫森结 
Quantum superdense coding via cavity-assisted interactions
《Chinese Physics B》2009年第6期2319-2323,共5页潘国柱 杨名 曹卓良 
Project supported by the National Natural Science Foundation of China (Grant Nos 60678022 and 10704001);the Specialized Research Fund for the Doctoral Program of Higher Education (Grant No 20060357008);Anhui Provincial Natural Science Foundation (Grant No 070412060);the Talent Foundation of Anhui University;Anhui Key Laboratory of Information Materials and Devices (Anhui University)
Quantum superdense coding （QSC） is an example of how entanglement can be used to minimize the number of carriers of classical information. This paper proposes two schemes for implementing QSC by means of cavity assi...
关键词：quantum superdense coding cavity QED 
基于腔QED的超导量子比特的非传统几何相位门
《池州学院学报》2008年第3期44-47,共4页卢艳 杨名 
国家自然科学基金(项目编号:60678022);教育部高等学校博士学科点专项科研基金(项目编号:20060357008)
在一个高品质腔中植入两个超导量子干涉仪,并使腔与超导量子干涉仪发生大失谐作用来实现2个量子比特的非传统几何相位门。这里的量子逻辑门操作,其特点是利用几何位相的整体几何性质来避免某些局域的无规噪声的影响,从而可以获取在量子...
关键词：非传统几何相位门 超导量子干涉仪 Deutsch—Jozsa算法 
Generation of various multiatom entangled graph states via resonant interactions
《Chinese Physics B》2008年第6期1979-1984,共6页董萍 章礼华 曹卓良 
Project supported by the National Natural Science Foundation of China (Grant Nos 60678022 and 10704001);the Specialized Research Fund for the Doctoral Program of Higher Education, China (Grant No 20060357008);Anhui Provincial Natural Science Foundation, China (Grant No 070412060);the Key Program of the Education Department of Anhui Province, China (Grant Nos KJ2008A28ZC, KJ2008B83ZC, KJ2008B265 and KJ2007B082);the Talent Foundation of Anhui University, China,and the Anhui Key Laboratory of Information Materials and Devices (Anhui University), China
In this paper, a scheme for generating various multiatom entangled graph states via resonant interactions is proposed. We investigate the generation of various four-atom graph states first in the ideal case and then i...
关键词：graph state resonant interaction cavity decay spontaneous emission 
Scheme for teleportation of an unknown atomic state via a cluster state in cavity QED被引量：3
《Chinese Physics B》2008年第1期55-59,共5页曹卓良 李大创 
Project supported by the National Natural Science Foundation of China (Grant No 60678022);the Doctoral Fund of Ministry of Education of China (Grant No 20060357008);the Key Program of the Education Department of Anhui Province, China (Grant No 2006KJ070A);the Program of the Education Department of Anhui Province, China (Grant No 2006KJ057B);the Talent Foundation of Anhui University, China, Anhui Key Laboratory of Information Materials and Devices, China (Anhui University)
This paper proposes an experimentally feasible scheme for teleportation of an unknown two-atom entangled state, where a cluster state is used as the quantum channel. This scheme does not need any joint measurement. In...
关键词：quantum teleportation joint measurement quantum controlled phase gate cavity QED 
基于原子系统的Deutsch-Jozsa算法实现方案
《中国科技论文在线》2007年第4期271-275,共5页董萍 杨名 曹卓良 
国家教育部博士点基金(20060357008)
本文利用原子系统和光学设备设计了一个实现量子Deutsch-Jozsa算法的物理方案。该方案对现实的噪声和原子系统的大规模化可能带来的错误在当前的实验技术范围内具有一定的容错性。我们的方案对于利用原子系统来实现其它复杂量子计算来...
关键词：原子系统 光学设备 DEUTSCH-JOZSA算法 量子计算 
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