云南高校图书馆联盟文献共享服务平台- 国家自然科学基金(10325521)

国家自然科学基金(10325521): 作品数：12被引量：53H指数：5; 导出分析报告; 相关作者：龙桂鲁法列张竞夫王川邓富国更多>>; 相关机构：清华大学教育部赤峰学院辽宁师范大学更多>>; 相关期刊：《原子核物理评论》《Science China(Physics,Mechanics & Astronomy)》《Science Bulletin》《物理》更多>>; 相关主题：原子核QUANTUMNUCLEIINSPECTIONUSING更多>>; 相关领域：理学电子电信更多>>

Low-lying states and isospin excitation in the Ge isotopes: 《Chinese Physics C》2009年第7期538-546,共9页Falih H. Al-Khudair; Supported by National Natural Science Foundation of China (10325521, 60635040);SRFDP Program of Ministry of Education of China (20060003048); The level structure of ^64-70Ge isotopes has been studied within the framework of the interacting boson model-3（IBM-3） . The symmetry character in the proton and neutron degrees of freedom of the energy levels has b...; 关键词：IBM-3 ISOSPIN Z ≈ N nuclei ^64-70Ge isotopes

Coexistence of normal, super-, and hyper-deformation in nuclei: A study with angular momentum projection method被引量：7: 《Chinese Science Bulletin》2009年第3期358-363,共6页SUN Yang1,2, ZHANG JingYe3, LONG GuiLu4,5 & WU ChengLi6,7 1 Department of Physics, Shanghai Jiao Tong University, Shanghai 200240, China 2 Joint Institute for Nuclear Astrophysics, University of Notre Dame, Notre Dame, Indiana 46556, USA 3 Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA 4 Department of Physics, Tsinghua University, Beijing 100084, China 5 Center of Nuclear Theory, Lanzhou National Laboratory of Heavy Ion Accelerator, Lanzhou 730000, China 6 Department of Physics, Xiamen University, Xiamen 361005, China 7 Department of Physics, Chung Yuan Christian University, Chung-Li, Taiwan 32023, China; Supported by the National Basic Research Program of China (Grant No. 2007CB815005);National Science Foundation of U.S. (Grant No. PHY-0216783) (Y.S.);Department of Energy of U.S. (Grant No. DE-FG02-96ER40983) (J.-Y.Z.);National Natural Science Foundation of China (Grant No. 10325521) (G.L.L.); Angular-momentum-projected energy surface calculations for A ≈ 110 nuclei indicate three distinct energy minima occurring at different angular-momenta. These correspond to normal, super-, and hy- per-deformed shapes ...; 关键词：原子核光谱角动量能量

Arbitrarily long distance quantum communication using inspection and power insertion被引量：19: 《Chinese Science Bulletin》2009年第1期158-162,共5页WANG WanYing1,2,WANG Chuan1,2,ZHANG GuangYu1,3 & LONG GuiLu1,2 1 Department of Physics,Tsinghua University,Beijing 100084,China 2 Tsinghua National Laboratory for Information Science and Technology,Tsinghua University,Beijing 100084,China 3 College of Applied Science,Harbin University of Science and Technology,Harbin 150080,China; Supported by the National Basic Research Program of China (Grant No.2006CB921106);National Natural Science Foundation of China (Grant No.10325521);Key Project of Ministry of Education of China (Grant No.306020); The biggest obstacle for long distance quantum communication is the channel loss and the channel noise on photons. In this paper,a method to solve this problem was analyzed using inspection and power insertion (IPI). ...; 关键词：长距离量子通信量子安全通信量子密匙分布噪声

Simulation of general three-body interactions in a nuclear magnetic resonance ensemble quantum computer被引量：6: 《Science China(Physics,Mechanics & Astronomy)》2008年第8期1089-1096,共8页LIU WenZhang ZHANG JingFu DENG ZhiWei LONG GuiLu; the National Natural Science Foundation of China (Grant Nos. 10374010 and 10325521) ;the National Basic Research Program of China (Grant No. 2006CB921106); Three-body interaction plays an important role in many-body physics, and quantum computer is efficient in simulating many-body interactions. We have experimentally demonstrated the general three-body interactions in a...; 关键词：NUCLEAR magnetic RESONANCE QUANTUM COMPUTER general THREE-BODY interaction ENSEMBLE QUANTUM COMPUTER

Influence of magnetic current on the ground state entanglement in an isotropic transverse XY chain被引量：6: 《Progress in Natural Science:Materials International》2007年第10期1147-1151,共5页Liu Dan Zhang Yong Long Guilu; Supported by National Natural Science Foundation of China (Grant Nos 10447116 ,10325521 ,60433050 &60635040); We study the ground state entanglement in a three-qubit XY chain under the influence of a magnetization current. It is found that the ground state changes from a W state to a disentangled state as the magnetic field v...; 关键词：Heisenberg-XY chain magnetic-current phase transition.

Multiparty quantum secret sharing of classical and quantum messages被引量：2: 《Progress in Natural Science:Materials International》2007年第1期26-31,共6页CHEN Pan DENG Fuguo LONG Guilu; Supported by the Major State Basic Research Development Program of China(Grant No.001CB309308);National Natural Science Foundation of China(Grant Nos.60433050,10325521);the Hang-Tian Science Fund,the SRFDP Program of Education Ministry of China; A scheme for multiparty quantum secret sharing of classical and quantum messages is proposed by using entanglement swapping. This scheme can distribute not only the classical information but also the quantum informati...; 关键词：quantum secret sharing classical message quantum message EPR pair

多体纠缠纯态纠缠的熵积度量被引量：5: 《中国科学（G辑）》2006年第4期375-383,共9页曹万苍刘丹潘峰龙桂鲁; 国家自然科学基金(批准号:10325521;60433050);国家重点基础研究基金(批准号:001CB309308); 提出使用多体纠缠体系中的子体系的熵的乘积作为多体纠缠体系的纠缠度量.通过对三体纯态系统的细致分析并与“平均熵”纠缠度定义做了比较,结果说明熵积纠缠度可以同样反映多体纠缠的纠缠大小,并在零熵积附近对体系的描述有所改进.; 关键词：多体纠缠纯态 Von Neumann熵纠缠度

清华物理系量子信息研究的新进展: 《物理》2006年第5期388-389,共2页龙桂鲁; 国家重点基础研究发展计划(批准号:001CB309308);国家自然科学基金(批准号:10325521;60433050);教育部博士点基金资助项目; 在清华大学物理系成立60周年之际,我们对近年来清华大学物理系量子信息研究的主要进展情况作一介绍,包括量子搜索算法研究,核磁共振量子计算的实验研究,量子通讯的理论与实验研究.在量子搜索算法研究方面,我们提出了量子搜索算法的相位...; 关键词：量子搜索算法核磁共振量子计算分布式量子通讯

量子力学中的密度矩阵与具有相同密度矩阵的系综的可区分性被引量：4: 《原子核物理评论》2005年第4期354-357,共4页龙桂鲁; 兰州重离子加速器国家实验室原子核理论研究中心基金资助项目;国家自然科学基金资助项目(10325521)~~; 讨论了密度矩阵的不同定义。建议使用完全密度矩阵、压缩密度矩阵和约化密度矩阵分别描写一个封闭量子体系的、一个系综中平均分子的和一个复合体系中的一个子系统的密度矩阵。强调这与现在人们认为的具有相同压缩密度矩阵的系综是完全...; 关键词：密度矩阵压缩密度矩阵完全密度矩阵约化密度矩阵具有相同压缩密度矩阵的系综的不可区分性

自由空间中量子密码通讯实验被引量：5: 《中国科学（G辑）》2005年第2期149-157,共9页王川张竞夫王平晓邓富国艾清龙桂鲁; 中国博士后科学基金;国家自然科学基金(批准号:10325521;60433050);国家基础研究计划基金(批准号:001CB309308);教育部博士点基金(批准号:20020003050)资助项目; 利用线性光学器件,在实验上演示了大气空间中的2.2m距离的量子密钥分配的B92方案物理原理.实验中用高度衰减的650nm弱脉冲激光光源作为单光子源.量子密码通讯的优点是它的安全性.在实验中清楚地演示出窃听者的窃听行为对通讯的信号产生...; 关键词：自由空间量子密钥分配线性光学弱脉冲信息加密

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