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CHAIN: 作品数：1276被引量：1740H指数：17; 导出分析报告; 相关领域：理学医药卫生更多>>; 相关作者：韩俊林李晓松丛方媛王彩玲师义民更多>>; 相关机构：四川大学中国科学技术大学武汉大学浙江大学更多>>; 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国家高技术研究发展计划国家社会科学基金更多>>

The size effect and analogous boundary states in a circular non-Hermitian chain: 《Communications in Theoretical Physics》2024年第2期157-165,共9页Xin-Yu Ma Yi-Han Guan Qiao-Nan Li Ai-Lei He Lu Qi; supported by the National Natural Science Foundation of China under Grants No.12304557,No.12204404。; We investigate the size effect and boundary states based on a circular non-Hermitian chain under the nonreciprocal intra-cell coupling and inter-cell coupling regimes.We find that the circular non-Hermitian chain exhi...; 关键词：boundary states non-Hermitian chain topological state

Topological phase transitions and Majorana zero modes induced by the periodic potential in an antiferromagnetic chain: 《Communications in Theoretical Physics》2023年第8期156-162,共7页K W Shen Q Chen; supported by the Hunan Provincial Natural Science Foundation of China(Nos.2020JJ4240,2018JJ2078);the Scientific Research Fund of Hunan Provincial Education Department(No.19A106,18C0699);the Postgraduate University-Level Research Programme of Jishou University(No.Jdy22043)。; We investigate the topological properties of an antiferromagnetic(AFM)chain with an on-site periodic potential,considering the intrinsic spin–orbit coupling and an external Zeeman field along with the nanowire.Our re...; 关键词：AFM chain Majorana zero modes topological phase transitions periodic potential

Quantum coherence and ground-state phase transition in a four-chain Bose–Hubbard model: 《Communications in Theoretical Physics》2021年第8期182-188,共7页Ji-Guo Wang Lin-Qi Guo Ya-Fei Song; the NSF of China under Grant No.11904242;the NSF of Hebei province under Grant No.A2019210280。; We study the quantum coherence and ground-state phase transition of a four-chain Bose–Hubbard model with the long-range interaction. In a special four-chain Bose–Hubbard model,i.e., each chain only has one optical p...; 关键词：Bose-Hubbard model quantum coherence ground-state phase transition

Special modes induced by inter-chain coupling in a non-Hermitian ladder system: 《Communications in Theoretical Physics》2020年第10期53-69,共17页Rong Huang Yu Yan Zhi-Xu Zhang Lu Qi Hong-Fu Wang Shou Zhang; We explore some interesting phenomena in a simple non-Hermitian ladder system.Special modes with energy eigenvalues closely related to the inter-chain-coupling strength appear in the non-Hermitian ladder system.We sho...; 关键词：non-Hermitian ladder system special modes inter-chain-coupling

A dynamical transition of a chain of charged particles in a 2D substrate potential: 《Communications in Theoretical Physics》2020年第7期116-122,共7页Xiao-Ping Yuan Li-Yan Qiao Xia Huang; Zhejiang Province Commonweal Projects(Grant No.LGF18A050001);China Scholarship Council(Grant No.201708330401);National Natural Science Foundation of China(Grant No.11605055);Fundamental Research Funds for the Central Universities of China(Grant No.2017MS054)。; The transport of a chain of charged particles with a transverse degree of freedom is investigated in a 2D asymmetric potential.Here,the energy of the periodic driving force is converted into motion in the vertical dir...; 关键词：collective transport driven Frenkel–Kontorova model cooperative ratchet

Chain Inequality Violation with Quantum Weak Measurement Technology: 《Communications in Theoretical Physics》2019年第4期393-396,共4页Zheng-Mao Xu Hong-Wei Li; Supported by National Natural Science Foundation of China under Grant Nos.61675235,11304397;National Key Research and Development Program of China under Grant No.2016YFA0302600; Bell inequality is an important resource in the quantum information theory, which can be applied to guarantee security of the device independent quantum information protocols. By utilizing the quantum weak measurement...; 关键词：CHAIN INEQUALITY WEAK MEASUREMENT

Subsystem Dynamics of an Anisotropic Two-Qubit Heisenberg XYZ Chain Coupled Independently to Their Own Environments: 《Communications in Theoretical Physics》2016年第1期23-27,共5页李磊邹健徐宝明邵彬; Supported by the National Natural Science Foundation of China under Grant Nos.11274043 and 11375025; We consider a composite system:an anisotropic two-qubit Heisenberg XY Z chain coupled independently to their own environments.We take one of the qubit as the subsystem and the other qubit as an auxiliary qubit,and the...; 关键词：snon-Markovianity Heisenberg XYZ chain subsystem-structured bath entanglement masterequation

Quantum Phase Transition and Magnetocaloric Effect in a Tetrameric Chain with Three-Spin Interaction: 《Communications in Theoretical Physics》2014年第12期909-916,共8页丁林杰钟园樊帅伟朱丽娅; Supported by the National Natural Science Foundation of China under Grant Nos.11204157,11174179,11247020;the China Three Gorges University Project KJ2011B068; We investigate the quantum phase transition(QPT) and magnetocaloric effect(MCE) of a tetrameric chain with three-spin interaction using Green's function theory. The magnetization and gap analysis reveals a variety of ...; 关键词：QUANTUM phase TRANSITION MAGNETOCALORIC effect tetrameric CHAIN

Quantum Interference of Dual-Channel Excited Magnons in Spin-1 Bose-Einstein Condensates Atomic Chain: 《Communications in Theoretical Physics》2013年第7期19-24,共6页ZHAO Xu ZHAO Xing-Dong ZHOU Lu JING Hui ZHANG Wei-Ping; Supported by the National Basic Research Program of China (973 Program) under Grant No. 2011CB921604;;the National Natural Science Foundation of China under Grant Nos. 11004057, 10828408;;Educational Commission of Henan Province of China under Grant No. 01026631082;;the “Chen Guang” Project Supported by Shanghai Municipal Education Commission and Shanghai Education Development Foundation under Grant No.10CG24; We investigate the quantum interference of spin wave excitations of a spin-1 atomic Bose condensate confined in an optical lattice. Single-channel and dual-channel interactions are employed in our system, and their in...; 关键词：MDDI LDDi quantum interference constructive effect destructive effect

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

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