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DISTANCE: 作品数：1024被引量：1416H指数：14; 导出分析报告; 相关领域：自动化与计算机技术更多>>; 相关作者：李忠秋郝煦赵博文潘美朱顺荣更多>>; 相关机构：华中科技大学中国科学院南京航空航天大学清华大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家教育部博士点基金更多>>

Joint optimal measurement for locating two incoherent optical point sources near the Rayleigh distance: 《Communications in Theoretical Physics》2023年第4期10-15,共6页Yingying Shi Xiao-Ming Lu; supported by the National Natural Science Foundation of China (Grants No.12275062,No.11935012,and No.61871162)。; Simultaneously optimizing the estimation of the centroid and separation of two incoherent optical point sources is constrained by a tradeoff relation determined by an incompatibility coefficient.At the Rayleigh distan...; 关键词：quantum metrology quantum parameter estimation quantum measurement quantum imaging

Statistical mechanics of the directed 2-distance minimal dominating set problem: 《Communications in Theoretical Physics》2020年第9期132-139,共8页Yusupjan Habibulla; supported by the doctoral startup fund of Xinjiang University of China (grant number 208-61357);the National Natural Science Foundation of China (grant number 11 465 019,11 664 040)。; The directed L-distance minimal dominating set(MDS) problem has wide practical applications in the fields of computer science and communication networks. Here, we study this problem from the perspective of purely theo...; 关键词：directed 2-distance minimal dominating set belief propagation regular random graph ER random graph belief propagation decimation

Testing the distance-duality relation with the baryon acoustic oscillations data and type Ia supernovae data: 《Communications in Theoretical Physics》2020年第4期71-77,共7页Jun Chen; supported by the Foundation of the Guizhou Provincial Education Department of China under Grants No.KY[2016]104;the National Natural Science Foundation of China under Grants Nos.11465011 and 11865018;the Foundation of Guizhou Provincial Science and Technology of China under Grants No.J[2014]2150.; In this letter,the cosmic distance-duality relation has been constrained with a model-independent method by combining the baryon acoustic oscillation(BAO)data and the type Ia supernova(SNe Ia)data.The results show tha...; 关键词：BARYON ACOUSTIC oscillation the cosmic distance-duality RELATION type Ia supernovae

Quantum Correlations in Heisenberg XY Chain: 《Communications in Theoretical Physics》2013年第4期407-410,共4页朱银燕张勇; Supported by Chinese Universities Scientific Fund under Grant No.BUPT2011RC070;the National Natural Science Foundation of China under Grant No.61178010; Quantum correlations measured by quantum discord （QD）, measurement-induced distance （MID）, and geometric measure of quantum discord （GMQD） in two-qubit Heisenberg XY spin chain are investigated. The effects of D...; 关键词：quantum discord measurement=induced distance geometric measure of quantum discord

Multi-Type Directed Scale-Free Percolation: 《Communications in Theoretical Physics》2012年第4期701-716,共16页SHANG Yi-Lun; In this paper,we study a long-range percolation model on the lattice Z d with multi-type vertices and directed edges.Each vertex x ∈ Z d is independently assigned a non-negative weight Wx and a type ψx,where(Wx) x∈...; 关键词：long-range percolation random graph phase transition directed percolation regularly varying chemical distance

Comment on "Compare Quantum Operation Sensitivity for Different Distance Measures": 《Communications in Theoretical Physics》2011年第11期824-826,共3页高云峰冯健; Supported by the Natural Science Foundation of Shandong Province under Grant No. ZR2009AM019; We make comments on the conclusions of the paper:'Compare Quantum Operation Sensitivity for DifferentDistance Measures' [Commun.Theor.Phys.53 (2010)635],and give a physical example to describe the non-equivalenceof th...; 关键词：FIDELITY trace distance quantum operation

Effects of Coupling Distance on Synchronization and Coherence in Chaotic Neural Networks: 《Communications in Theoretical Physics》2009年第7期81-84,共4页WANG Mao-Sheng; Supported by the Sustentation Fund for Young Teachers in Colleges and Universities of Anhui Province under Grant No.2008jq1055;Anhui Normal University Fund for Doctor; Effects of coupling distance on synchronization and coherence of chaotic neurons in complex networks arenumerically investigated.We find that it is not beneficial to neurons synchronization if confining the coupling d...; 关键词：SYNCHRONIZATION coherence resonance neural network

Structure of Some 4f Rare Earth Liquid Metals --A Charged Hard Sphere Approach: 《Communications in Theoretical Physics》2006年第2X期337-342,共6页P.B. Thakor P.N. Gajjar A.R. Jani; The project supported by University Grants Commission, New Delhi, India; A well-established pseodopotential is used to study the structure of some 4f rare earth liquid metals （Ce, Pr, Eu, Gd, Tb, and Yb）. The structure factor S（q）, pair distribution function g（r）, interatomic distanc...; 关键词：PSEUDOPOTENTIAL structure factor pair distribution function interatomic distance

A Possible Interpretation on Distance-Dependent Effect of Gravitational Constant in Newton＇s Theory of Gravitation: 《Communications in Theoretical Physics》2005年第6期1045-1046,共2页QIANShang-Wu; Based on the new metric theory of gravitation suggested by the author of this article, it gives a possible theoretical interpretation on the famous experiment done by D.R. Long in 1976, i.e. the distance-dependent eff...; 关键词：general relativity metric theory of gravitation vector graviton field

Trace Distance of Remote State Preparation Through Noisy Channels被引量：1: 《Communications in Theoretical Physics》2005年第4期631-636,共6页CHENAi-Xi LIJia-Hua JINLi-Xia; 国家自然科学基金; In this paper, we study remote state preparation (RSP) by w state through noisy channels. The trace distance is used to describe how close the original state is to the output state. Studies show the trace distance is ...; 关键词：remote state preparation trace distance w states

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