云南高校图书馆联盟文献共享服务平台- HUBBARD

检索规则说明：AND代表“并且”；OR代表“或者”；NOT代表“不包含”；(注意必须大写,运算符两边需空一格)

检索范例：范例一： (K=图书馆学 OR K=情报学) AND A=范并思　　　　范例二：J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual

全部期刊核心期刊 EI来源期刊 SCI来源期刊 CA来源期刊 CSCD来源期刊 CSSCI来源期刊

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

Predicting structure-dependent Hubbard U parameters via machine learning: 《Materials Futures》2024年第2期161-169,共9页Guanghui Cai Zhendong Cao Fankai Xie Huaxian Jia Wei Liu Yaxian Wang Feng Liu Xinguo Ren Sheng Meng Miao Liu; Chinese Academy of Sciences(Grant Nos.XDB33020000,CAS-WX2023SF-0101,ZDBS-LY-SLH007,and YSBR047);National Key R&D Program of China(2021YFA1400200,and 2021YFA0718700);National Natural Science Foundation of China(Grand Nos.12025407,12134012 and 12188101).; DFT+U is a widely used treatment in the density functional theory(DFT)to deal with correlated materials that contain open-shell elements,whereby the quantitative and sometimes even qualitative failures of local and se...; 关键词：DFT+U machine learning Bayesian optimization

Perturbative solution of fermionic sign problem in quantum Monte Carlo computations: 《npj Computational Materials》2024年第1期2868-2876,共9页Sergei Iskakov Mikhail I.Katsnelson Alexander I.Lichtenstein; supported by the Cluster of Excellence“Advanced Imaging of Matter”of the Deutsche Forschungsgemeinschaft(DFG)-EXC 2056-Project No.ID390715994 and through the research unit QUAST,FOR 5249-project No.ID449872909;by European Research Council via Synergy Grant 854843-FASTCORR;supported by the Simons Foundation via the Simons Collaboration on the Many Electron Problem;supported by National Science Foundation grant number 1548562;supported by the Cluster of Excellence“Advanced Imaging of Matter”of the Deutsche Forschungsgemeinschaft(DFG)-EXC 2056-Project No.ID390715994 and through the research unit QUAST,FOR 5249-project No.ID449872909;by European Research Council via Synergy Grant 854843-FASTCORR;supported by the Simons Foundation via the Simons Collaboration on the Many Electron Problem;supported by National Science Foundation grant number 1548562.; We have developed a strong-coupling perturbation scheme for a general doped Hubbard model around a particle-hole-symmetric reference system,which is free from the fermionic sign problem.Our approach is based on the la...; 关键词：IONIC PERTURBATION HUBBARD

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

Determining Hubbard U of VO_(2) by the quasi-harmonic approximation: 《Chinese Physics B》2024年第1期623-630,共8页孔龙娟陆雨航庄新莹周志勇胡振芃; supported by the National Natural Science Foundation of China (Grant Nos.21933006 and 21773124);the Fundamental Research Funds for the Central Universities Nankai University (Grant Nos.010-63233001,63221346,63213042,and ZB22000103);the support from the China Postdoctoral Science Foundation (Grant No.2021M691674);the Hefei National Laboratory for Physical Sciences at the Microscale (Grant No.KF2020105)。; Vanadium dioxide VO_(2) is a strongly correlated material that undergoes a metal-to-insulator transition around 340 K.In order to describe the electron correlation effects in VO_(2), the DFT+U method is commonly emplo...; 关键词：quasi-harmonic approximation vanadium dioxide first-principles calculation Hubbard U

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

笼目超导中各向同性超导配对的谱学证据: 《Science Bulletin》2023年第15期1585-1587,共3页王震宇何俊峰吴涛陈仙辉; supported by the National Natural Science Foundation of China(11888101);the National Key R&D Program of China(2017YFA0303000);the Anhui Initiative in Quantum Information Technologies(AHY160000);the Innovation Program for Quantum Science and Technology(2021ZD0302802)。; Correlation-driven superconductivity has been predicted in the kagome lattice for a long time.The recent discovery of superconductivity and charge density wave(CDW)in the new kagome familyAV_(3)Sb_(5)(A=K,Rb,Cs)[1]has...; 关键词：SUPERCONDUCTIVITY 谱学 HUBBARD

Manipulating Hubbard-type Coulomb blockade effect of metallic wires embedded in an insulator: 《National Science Review》2023年第3期121-127,共7页Xing Yang Zhao-Long Gu Huimin Wang Jing-Jing Xian Sheng Meng Naoto Nagaosa Wen-Hao Zhang Hai-Wen Liu Zi-Heng Ling Kai Fan Zhi-Mo Zhang Le Qin Zhi-Hao Zhang Yan Liang Jian-Xin Li Ying-Shuang Fu; supported by the National Key Research and Development Program of China (2017YFA0403501,2022YFA1402400 and 2021YFA1400400);the National Natural Science Foundation of China (U20A6002, 11874161, 11774105,21873033 and 92165205);the Japan Science and Technology Agency,Core Research for Evolutional Science and Technology(JPMJCR1874 and JPMJCR16F1);the Japan Society for the Promotion of Science,KAKENHI (18H03676 and 26103006)。; Correlated states have emerged in low-dimensional systems owing to enhanced Coulomb interactions.Elucidating these states requires atomic-scale characterization and delicate control capabilities.Herein,spectroscopic i...; 关键词：STM ONE-DIMENSIONAL Coulomb effect electron correlation HUBBARD

铁磁性及Hubbard U值对黄铜矿密度泛函理论计算的影响被引量：1: 《矿产保护与利用》2023年第1期32-36,共5页李玉琼简胜陈建华; 国家自然科学基金(51974094);云南省基础研究专项-重点项目(202201AS070054);云南省重大科技专项计划-新材料专项(202202AB080012)。; 黄铜矿具有反铁磁性,在密度泛函理论(DFT)计算过程中,磁性设置对计算的准确性非常重要,另外Hubbard U值对具有电子强关联性的Fe 3d轨道的修正对获得正确的电子结构也至关重要。研究了铁磁性、反铁磁性和Hubbard U值修正对黄铜矿密度泛...; 关键词：黄铜矿密度泛函理论计算反铁磁性 Hubbard U值

双轨道Hubbard模型的动力学平均场理论研究: 《物理学报》2022年第14期235-245,共11页倪煜孙健全亚民罗东奇宋筠; 国家自然科学基金(11474023,11774350)资助的课题.; 基于以Lanczos方法为杂质求解器的动力学平均场理论,研究了非局域轨道间跃迁对于双轨道强关联体系中轨道选择Mott相变的影响.计算了轨道间跃迁系数不同的双轨道Hubbard模型的准粒子权重和态密度,并构建了它们在相互作用强度U和轨道带宽...; 关键词：动力学平均场理论 MOTT 相变双轨道 HUBBARD 模型

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

HUBBARD

检索结果分析

下载全文

高级检索检索式检索

时间限定

期刊范围

学科限定全选

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

HUBBARD

检索结果分析

下载全文

用户登录

高级检索检索式检索