国家自然科学基金(10874098)

作品数：7被引量：63H指数：5
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相关作者：王川李岩松龙桂鲁邓富国更多>>
相关机构：北京师范大学教育部更多>>
相关期刊：《Science Bulletin》《Science China(Physics,Mechanics & Astronomy)》《Science China(Technological Sciences)》《中国科学：物理学、力学、天文学》更多>>
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相关领域：理学自动化与计算机技术机械工程电子电信更多>>
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Entanglement of linear cluster states in terms of averaged entropies被引量：6
《Chinese Science Bulletin》2013年第1期48-52,共5页CAO Ye LI Hui LONG GuiLu 
supported by the National Natural Science Foundation of China (10874 098,11175094);the National Basic Research Program of China (2009CB929402,2011CB9216002)
An entanglement measure,multiple entropy measures(MEMS) was proposed recently by using the geometric mean of partial entropies over all possible i-body combinations of the quantum system.In this work,we study the aver...
关键词：量子纠缠 平均熵 状态 集群 线性 量子系统 MEMS GHZ态 
Experimental implementation of a fixed-point duality quantum search algorithm in the nuclear magnetic resonance quantum system被引量：5
《Science China(Physics,Mechanics & Astronomy)》2011年第5期936-941,共6页HAO Lianga LONG GuiLu 
supported by the SRFPD Program of Education Ministry ofChina (Grant No. 20090002110064);the National Natural Science Foundation of China (Grant No. 10874098);the National Basic Research Program of China (Grant Nos. 2009CB929402 and 2011CB921602)
In this work, we demonstrated a fixed-point quantum search algorithm in the nuclear magnetic resonance (NMR) system. We constructed the pulse sequences for the pivotal operations in the quantum search protocol. The ex...
关键词：quantum search algorithm fixed-point search algorithm duality quantum computing the N1 algorithm NMR realization 
量子安全直接通信被引量：35
《中国科学：物理学、力学、天文学》2011年第4期332-342,共11页龙桂鲁 王川 李岩松 邓富国 
国家自然科学基金(批准号:10874098);国家重点基础研究发展计划(编号:2009CB929402)资助项目
量子通信利用量子力学原理进行信息传输和处理,具有高安全、高容量等优点.量子安全直接通信在量子信道中直接传输秘密信息,是一种新式的量子通信模式.自2000年提出以来,量子安全直接通信得到了迅速的发展.该文综述量子安全直接通信的基...
关键词：量子安全直接通信 量子通信 两步方案 量子一次便笺方案 网络通信 QSDC 
An N/4 fixed-point duality quantum search algorithm被引量：8
《Science China(Physics,Mechanics & Astronomy)》2010年第9期1765-1768,共4页HAO Liang1,LIU Dan2 & LONG GuiLu1,3 1Key Laboratory for Atomic and Molecular NanoSciences and Department of Physics,Tsinghua University,Beijing 100084,China 2School of Sciences,Dalian Nationalities University,Dalian 116600,China 3Tsinghua National Laboratory for Information Science and Technology,Beijing 100084,China 
supported by the National Natural Science Foundation of China (Grant Nos 10775076 and 10874098);the SRFPD Program in the Ministry of Education of China (Grant No 20060003048);the National Basic Research Program of China (Grant No 2006CB921106);Educational Commission of Liaoning Province of China (Grant No 2008130)
Here a fixed-point duality quantum search algorithm is proposed.This algorithm uses iteratively non-unitary operations and measurements to search an unsorted database.Once the marked item is found,the algorithm stops ...
关键词：FIXED-POINT SEARCH ALGORITHM DUALITY quantum COMPUTING the N4 DUALITY SEARCH ALGORITHM 
Efficient entanglement purification for doubly entangled photon state被引量：1
《Science China(Technological Sciences)》2009年第12期3464-3467,共4页WANG Chuan SHENG YuBo LI XiHan DENG FuGuo ZHANG Wei LONG GuiLu 
Supported by the National Natural Science Foundation of China(Grant Nos.10604008,10874098,10775076);the National Fundamental Research Program of China(Grant No.2006CB921106)
In this paper,we present an efficient purification scheme that improves the efficiency of entanglement purification of the recently proposed entanglement purification scheme for doubly entangled photon states (Phys.Re...
关键词：ENTANGLEMENT PURIFICATION DOUBLY ENTANGLED PHOTON state QUANTUM communication 
Two mode photon bunching effect as witness of quantum criticality in circuit QED被引量：6
《Science China(Physics,Mechanics & Astronomy)》2009年第12期1898-1905,共8页AI Qing1,WANG YingDan2,LONG GuiLu1,3 & SUN ChangPu4 1 Department of Physics,Tsinghua University,Beijing 100084,China 2 Department of Physics,University of Basel,Klingelbergstrasse 82,4056 Basel,Switzerland 3 Tsinghua National Laboratory for Information Science and Technology,Beijing 100084,China 4 Institute of Theoretical Physics,Chinese Academy of Sciences,Beijing 100080,China 
Supported by the National Basic Research Program of China (Grant No. 2006CB921106);the National Natural Science Foundation of China (Grant No. 10874098);the ECIST-FET Project EuroSQUIP, the Swiss SNF, and the NCCR Nanoscience
We suggest a scheme to probe critical phenomena at a quantum phase transition (QPT) using the quantum correlation of two photonic modes simultaneously coupled to a critical system. As an experimentally accessible phys...
关键词：quantum phase TRANSITION PHOTON BUNCHING CIRCUIT QED 
Simulation of the four-body interaction in a nuclear magnetic resonance quantum information processor被引量：5
《Chinese Science Bulletin》2009年第22期4262-4265,共4页LIU WenZhang ZHANG JingFu LONG GuiLu 
Supported by the National Natural Science Foundation of China (Grant Nos. 10775076, 10874098);National Basic Research Program of China (Grant Nos. 2006CB921106, 2009CB929402);Specialized Research Fund for the Doctoral Program of Education Ministry of China (Grant No. 20060003048)
The four-body interaction plays an important role in many-body systems, and it can exhibit interesting phase transition behaviors. In this letter, we report the experimental demonstration of a four-body interaction in...
关键词：信息处理器 相互作用 核磁共振 量子位 模拟 多体系统 相变行为 选择激发 
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