云南高校图书馆联盟文献共享服务平台- HUBBARD

HUBBARD_MODEL: 作品数：65被引量：23H指数：3; 导出分析报告; 相关机构：香港中文大学中国科学院更多>>; 相关期刊：《Journal of Semiconductors》《河北旅游职业学院学报》《Science China(Physics,Mechanics & Astronomy)》《Communications in Nonlinear Science and Numerical Simulation》更多>>; 相关基金：国家自然科学基金北京市自然科学基金国家教育部博士点基金国家重点基础研究发展计划更多>>

Quantum leap:observing antiferromagnetic transition in a 3D fermionic Hubbard model with ultracold atoms: 《Advanced Photonics》2024年第6期7-8,共2页Laraib Niaz Alex Krasnok; The study by Shao et al.1 marks a critical advancement in quantum simulations by reporting the first experimental observation of the antiferromagnetic(AFM)phase transition in a three-dimensional(3D)fermionic Hubbard m...; 关键词：HUBBARD QUANTUM IONIC

Necessity of orthogonal basis vectors for the two-anyon problem in a one-dimensional lattice: 《Communications in Theoretical Physics》2024年第12期60-72,共13页Cuicui Zheng Jiahui Xie Ming Zhang Yajiang Chen Yunbo Zhang; Supported by National Science Foundation of China(Grant Nos.12074340 and 12474492);the Science Foundation of Zhejiang Sci-Tech University(Grants No.20062098-Y,19062463-Y and 22062344-Y)。; Few-body physics for anyons has been intensively studied within the anyon-Hubbard model,including the quantum walk and Bloch oscillations of two-anyon states.Recently,theoretical and experimental simulations of two-an...; 关键词：anyon-Hubbard model quantum walk Bloch oscillations two-anyon states quantum simulation

Superexchange and charge transfer in the nickelate superconductor La_(3)Ni_(2)O_(7) under pressure被引量：1: 《Science China(Physics,Mechanics & Astronomy)》2024年第11期1-8,共8页Wéi Wú Zhihui Luo Dao-Xin Yao Meng Wang; supported by the National Natural Science Foundation of China (Grant Nos. 12274472, 92165204, 12174454, and 11974432);the National Key Research and Development Program of China (Grant Nos. 2022YFA1402802, and 2018YFA0306001);the Guangdong Basic and Applied Basic Research Foundation (Grant Nos. 2022A1515011618, and 2021B1515120015);the Guangdong Provincial Key Laboratory of Magnetoelectric Physics and Devices (Grant No. 2022B1212010008);the Shenzhen International Quantum Academy (Grant No. SIQA202102);the Leading Talent Program of Guangdong Special Projects (Grant No. 201626003);the support from GuangZhou National Supercomputing Center (Tianhe-Ⅱ)。; Recently, a bulk nickelate superconductor La_(3)Ni_(2)O_(7) is discovered at pressures with a remarkable high transition temperature T_(c)~ 80 K. Here, we study a Hubbard model with tight-binding parameters derived fr...; 关键词：superconductivity nickelate superconductors Hubbard model SUPEREXCHANGE charge transfer insulator quantum Monte Carlo

Pairing correlation of the kagome-lattice Hubbard model with the nearest-neighbor interaction: 《Chinese Physics B》2024年第10期41-45,共5页Chen Yang Chao Chen Runyu Ma Ying Liang Tianxing Ma; supported by Beijing Natural Science Foundation(Grant No.1242022).The numerical simulations in this work were performed at HSCC of Beijing Normal University.; A recently discovered family of kagome lattice materials,AV_(3)Sb_(5)(A=K,Rb,Cs),has attracted great interest,especiallyin the debate over their dominant superconducting pairing symmetry.To explore this issue,we study...; 关键词：kagome-lattice Hubbard model SUPERCONDUCTIVITY pairing symmetry CPMC

Flux phases in the extended Hubbard model on the triangular lattice: 《Science China(Physics,Mechanics & Astronomy)》2024年第9期148-153,共6页Yuge Chen Kun Jiang Yi Zhang Jiangping Hu; supported by the Ministry of Science and Technology(Grant No.2022YFA1403901);the National Natural Science Foundation of China(Grant Nos.NSFC-11888101,NSFC-12174428,NSFC-12074276,and NSFC-12274279);the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDB28000000);the Chinese Academy of Sciences through the Youth Innovation Promotion Association(Grant No.2022YSBR-048);the New Cornerstone Investigator Program。; Using the unrestricted Hartree-Fock variational method,we study the extended Hubbard model in the triangular lattice at 3/4 filling.Due to the nesting instability of the Fermi surface,various density wave states compa...; 关键词：flux state triangular lattice Hubbard model

Bethe ansatz solutions of the 1D extended Hubbard-model: 《Communications in Theoretical Physics》2024年第4期43-50,共8页侯海洋孙佩乔艺许小甜张鑫杨涛; Financial support from the National Natural Science Foundation of China(Grant Nos.12105221,12175180,12074410,12047502,11934015,11975183,11947301,11775177,11775178 and 11774397);the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDB33000000);the Shaanxi Fundamental Science Research Project for Mathematics and Physics(Grant No.22JSZ005);the Major Basic Research Program of Natural Science of Shaanxi Province(Grant Nos.2021JCW-19,2017KCT-12 and 2017ZDJC-32);the Scientific Research Program Funded by the Shaanxi Provincial Education Department(Grant No.21JK0946);the Beijing National Laboratory for Condensed Matter Physics(Grant No.202162100001);the Double First-Class University Construction Project of Northwest University is gratefully acknowledged.; We construct an integrable 1D extended Hubbard model within the framework of the quantum inverse scattering method.With the help of the nested algebraic Bethe ansatz method,the eigenvalue Hamiltonian problem is solved...; 关键词：quantum integrable system Bethe ansatz T-Q relation Hubbard model

Flat Band and η-Pairing States in a One-Dimensional MoiréHubbard Model: 《Chinese Physics Letters》2024年第4期69-76,共8页王冉宋智; supported by the National Natural Science Foundation of China(Grant Nos.12305026 and 12374461)。; A Moirésystem is formed when two periodic structures have a slightly mismatched period,resulting in unusual strongly correlated states in the presence of particle-particle interactions.The periodic structures can ari...; 关键词：OSCILLATION INTERACTION field

Dynamical t/U Expansion of the Doped Hubbard Model: 《Chinese Physics Letters》2024年第3期73-82,共10页丁文新俞榕; supported by Startup Fund of Anhui University(Grant No.S020118002/002);support from the Kavli Institute for Theoretical Sciences;supported by the National Key R&D Program of China(Grant No.2023YFA1406500);the National Science Foundation of China(Grant Nos.12334008 and 12174441)。; We construct a new U(1)slave-spin representation for the single-band Hubbard model in the large-U limit.The mean-field theory in this representation is more amenable to describe both the spin-charge-separation physics...; 关键词：HUBBARD REPRESENTATION SEPARATION

A Possible Quantum Spin Liquid Phase in the Kitaev–Hubbard Model: 《Chinese Physics Letters》2023年第12期109-113,共5页Shaojun Dong Hao Zhang Chao Wang Meng Zhang Yong-Jian Han Lixin He; supported by the National Natural Science Foundation of China (Grant Nos. 12104433 and 11874343);the Innovation Program for Quantum Science and Technology (Grant No. 2021ZD0301200)。; The quantum spin liquid(QSL) state of Kitaev-like materials, such as iridium oxides A_(2)IrO_(3) and α-RuCl_(3),has been explored in depth. The half-filled Kitaev–Hubbard model with bond-dependent hopping terms is u...; 关键词：TRANSITION METHOD HUBBARD

Four-Electron Systems in the Impurity Hubbard Model. Second Triplet State. Spectra of the System in the ν-Dimensional Lattice Z<sup>ν</sup>: 《Journal of Applied Mathematics and Physics》2023年第11期3393-3427,共35页S. M. Tashpulatov R. T. Parmanova; We consider an energy operator of four-electron system in the Impurity Hubbard model with a coupling between nearest-neighbors. The spectrum of the systems in the second triplet state in a ν-dimensional lattice is in...; 关键词：Spectra of Four-Electron System Bound State Anti-Bound State Impurity Hubbard Model Quintet State Singlet State Triplet State

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