云南高校图书馆联盟文献共享服务平台- SU(1,1)

SU(1,1): 作品数：73被引量：82H指数：6; 导出分析报告; 相关领域：理学机械工程更多>>; 相关作者：于肇贤吴建武张靖张德兴李春文更多>>; 相关机构：华东师范大学清华大学东北石油大学华中师范大学更多>>; 相关期刊：《Computers, Materials & Continua》《延安大学学报（自然科学版）》《Chinese Physics Letters》《Chinese Annals of Mathematics,Series B》更多>>; 相关基金：国家自然科学基金国家教育部博士点基金湖北省高等学校省级教学研究项目湖北省自然科学基金更多>>

The Phase Sensitivities for Different Phase-Shift Configurations in an SU(1,1) Interferometer: 《Communications in Theoretical Physics》2019年第12期1435-1442,共8页Fan Wang Wei Zhong Lan Zhou Yu-Bo Sheng; Supported by the National Natural Science Foundation of China under Grant Nos.11747161 and 11974189;the China Postdoctoral Science Foundation under Grant No.2018M642293; We theoretically study the phase sensitivities of two different phase-shift configurations in an SU(1,1)interferometer with coherent■squeezed vacuum states.According to quantum Cramér-Rao theorem,we analytically obt...; 关键词：SU(1 1)interferometer quantum Fisher information one-and two-arm phase shifts Homodyne measurement

Enhancement of Sensitivity by Initial Phase Matching in SU(1,1) Interferometers: 《Communications in Theoretical Physics》2019年第1期37-42,共6页Xiao Xiao Hong-Bin Liang Guo-Long Li Xiao-Guang Wang; Supported by the National Key Research and Development Program of China under Grant Nos.2017YFA0304202 and 2017YFA0205700;the NSFC through Grant No.11875231;the Fundamental Research Funds for the Central Universities through Grant No.2018FZA3005; We derive a general phase-matching condition(PMC) for enhancement of sensitivity in SU(1,1) interferometers. Under this condition, the quantum Fisher information(QFI) of two-mode SU(1,1) interferometry becomes maximal...; 关键词：quantum FISHER information SU(1 1) PARAMETER estimation PHASE-MATCHING condition

Coherent-State Approach for Majorana Representation: 《Communications in Theoretical Physics》2017年第6期611-618,共8页刘昊迪傅立斌王晓光; Supported by the National Fundamental Research Program of China under Grant No.2013CBA01502;the National Natural Science Foundation of China under Grant Nos.11575027,11475146,and 11405008;the Fundamental Research Funds for the Central Universities under Grant No.2017FZA3005;the Plan for Scientific and Technological Development of Jilin Province under Grant No.20160520173JH; By representing a quantum state and its evolution with the Majorana stars on the Bloch sphere, the Majorana representation provides us an intuitive way to study a physical system with SU(2) symmetry. In this work,base...; 关键词：majorana representation coherent state squeezed states SU(1 1) symmetry

Spontaneous U(1) Symmetry Breaking in Coupled Bose System: 《Communications in Theoretical Physics》2011年第6期997-1000,共4页王影徐金荣陈理刘果红; Adding a U（1） symmetry breaking term √V（λ1a0 ＋ λ1＊a0）＋ √V（λ2b0 ＋ λ2＊b0） to Bogoliubov＇s truncated Hamiltonian HB for a weakly interacting coupled Bose system, by using the mean-field approximation r...; 关键词：BEC U（1） symmetry breaking generalized SU（1 1） SU（1 1） coherent state Feshbach resonance

Phase State as a Limiting Case of SU(1,1) Coherent State: 《Communications in Theoretical Physics》2009年第1期68-70,共3页YU Zhi-Song FAN Hong-Yi; We show that the Susskind-Glogower phase state is a limiting case of a kind of SU（1,1） coherent states. By analogy, based on the bipartite entangled state representation （ESR） we demonstrate that an appropriate SU...; 关键词：phase state unitary phase operator bipartite entangled state representation SU（1 1） coherentstate

Nonlinear Interaction and Entanglement Transfer from SU(1,1) Coherent State to Mixed Atoms: 《Communications in Theoretical Physics》2008年第1期83-87,共5页ZHANG Jin-Hua LIANG Mai-Lin YUAN Bing ZHANG Fu-Lin; The project supported by National Natural Science Foundation of China under Grant No.20376054; For nonlinear interactions with different forms of intensity-dependent coupling, entanglement transfer from the correlated two-mode SU（1,1） coherent states （SCS） to the initially separable and mixed atoms is inves...; 关键词：entanglement transfer intensity-dependent coupling SU（1 1） coherent state mixed atomic states

Squeezing in Representation by Quadratic Combinations of Canonical Operators: 《Communications in Theoretical Physics》2003年第6期717-722,共6页FANHong-Yi A.Wuensche; 国家自然科学基金; The technique of integration within an ordered product of operators and the coherent-state representation are used to convert exponential operators of basis operators (P², Q², PQ + QP) to those o...; 关键词：time-dependent squeezing canonical operators symplectic group integration within ordered products inner automorphism of SU(1 1) group

Generation of SU（1,1） Intelligent States for the Motion of Two Trapped Ions: 《Communications in Theoretical Physics》2003年第4X期486-488,共3页FULi-Ping SUNTian-Yu; We propose a method for generating SU(1, 1) intelligent states for the center of mass and relative motional modes for two trapped ions. In our scheme, only three laser beams are employed, and their directions are all ...; 关键词：俘获离子非经典态双模耦合激光冷却量子光学稳态解

BCS Ground State and XXZ Antiferromagnetic Model as SU(2), SU(1,1) Coherent States: An Algebraic Diagonalization Method: 《Communications in Theoretical Physics》2002年第9期292-296,共5页XIE Bing-Hao ZHANG Hong-Biao CHEN Jing-Ling; An algebraic diagonalization method is proposed. As two examples, the Hamiltonians of BCS ground stateunder mean-field approximation and XXZ antiferromagnetic model in linear spin-wave frame have been diagonalized byu...; 关键词：ALGEBRAIC DIAGONALIZATION method coherent state

Statistical Properties of the nonlinear SU（1,1） Coherent States: 《Communications in Theoretical Physics》2002年第5期593-596,共4页SONGTong－Qiang FANHong－Yi; 国家自然科学基金; Using non-Hermitian realizations of SU(1,1) Lie algebra in terms of an f-oscillator, we generalize the notion of nonlinear coherent states to the single-mode and two-mode nonlinear SU(1,1) coherent states. Taking the ...; 关键词：f-oscillator nonlinear SU(1 1) coherent states statistical properties

SU(1,1)