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BANDS: 作品数：422被引量：287H指数：7; 导出分析报告; 相关领域：理学更多>>; 相关作者：曾立英周廉葛鹏杨冠军毛小南更多>>; 相关机构：西安建筑科技大学西北有色金属研究院南京师范大学绵阳南山中学更多>>; 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中国航空科学基金更多>>

从紧局域态解密平带: 《Science Bulletin》2023年第24期3165-3171,M0005,共8页陈宇戈黄俊涛蒋坤胡江平; supported by the Ministry of Science and Technology of China(2022YFA1403901);the National Natural Science Foundation of China(11888101 and 12174428);the Strategic Priority Research Program of the Chinese Academy of Sciences(XDB28000000);the Chinese Academy of Sciences through the Youth Innovation Promotion Association(2022YSBR-048)。; 平带系统由于平带自身不存在结构,是研究由电子——电子关联导致的各种新奇物理效应的理想量子平台.因此,从理论上寻找各种新型的平带系统就十分的重要.实现一个平带的核心要素是找到系统中蕴含的紧局域激发.本文开发了一种系统的方法,...; 关键词：Flat bands Compact localized states Electronic structure Destructive interference

Topological surface states and flat bands in the kagome superconductor CsV_(3)Sb_(5)被引量：3: 《Science Bulletin》2022年第5期495-500,M0004,共7页Yong Hu Samuel M.L.Teicher Brenden R.Ortiz Yang Luo Shuting Peng Linwei Huai Junzhang Ma Nicholas CPlumb Stephen D.Wilson Junfeng He Ming Shi; supported by the Fundamental Research Funds for the Central Universities(WK3510000012 and WK3510000008);USTC Start-up Fund and National Natural Science Foundation of China(12004363);supported by the Swiss National Science Foundation(200021-188413);the SinoSwiss Science and Technology Cooperation(IZLCZ2-170075);supported via the UC Santa Barbara NSF Quantum Foundry funded via the Q-AMASE-i Program under award DMR-1906325;the shared facilities of the NSF Materials Research Science and Engineering Center at UC Santa Barbara(DMR-1720256);supported by NSF CNS-1725797 and NSF DMR-1720256;support from the California NanoSystems Institute through the Elings Fellowship program;supported by the National Science Foundation Graduate Research Fellowship Program(DGE-1650114)。; Exotic quantum phenomena may appear in material systems with multiple orders or phases,where the mutual interactions can give rise to new physics beyond that of each component.Here,we report spectroscopic evidence for...; 关键词：ARPES Kagome superconductors Charge density wave order Topologically nontrivial surface states

A supercritical carbon dioxide layer in the Hadean atmosphere for the origin of life?: 《Science Bulletin》2021年第12期1157-1159,M0003,共4页Yi-Liang Li Wei-Dong Sun Yu-Fen Zhao; supported by the Strategic Priority Research Program of the Chinese Academy of Sciences(XDB41000000 and XDA22050100);Qian Xuesen Laboratory,China Academy of Space Technology。; Zhang et al.[1]reported the first direct detection of the natural supercritical CO_(2)(scCO_(2);critical point:31.1℃and 72.9 atm)in a deep-sea hydrothermal system.In their study,they measured in situ the Raman bands ...; 关键词：超临界二氧化碳 thereby BANDS

Topological flat bands in twisted trilayer graphene被引量：3: 《Science Bulletin》2021年第1期18-22,M0003,共6页Zhen Ma Shuai Li Ya-Wen Zheng Meng-Meng Xiao Hua Jiang Jin-Hua Gao X.C.Xie; the National Natural Science Foundation of China(11534001,11874160,11274129,11874026,and 61405067);the National Key Research and Development Program of China(2017YFA0403501);the Fundamental Research Funds for the Central Universities(HUST:2017KFYXJJ027);the National Basic Research Program of China(2015CB921102).; Twisted trilayer graphene(TLG)may be the simplest realistic system so far,which has flat bands with nontrivial topology.Here,we give a comprehensive calculation about its band structures and the band topology,i.e.,val...; 关键词：Twisted trilayer graphene Moire heterostructure Valley Chern number Topological flat bands

Precision mapping the topological bands of 2D spin-orbit coupling with microwave spin-injection spectroscopy被引量：1: 《Science Bulletin》2018年第22期1464-1469,共6页Xiao-Tian Xu Chang-Rui Yi Bao-Zong Wang Wei Sun Youjin Deng Xiong-Jun Liu Shuai Chen Jian-Wei Pan; supported by the National Key R&D Program of China (2016YFA0301601 and 2016YFA0301604);the National Natural Science Foundation of China (11674301, 11761161003, and 11625522);the Thousand-Young-Talent Program of China; To investigate the band structure is one of the key approaches to study the fundamental properties of a novel material.We report here the precision band mapping of a 2-dimensional(2D) spin-orbit(SO) coupling in an opt...; 关键词：2D SPIN-ORBIT coupling MICROWAVE SPIN-INJECTION SPECTROSCOPY Spin polarization TOPOLOGICAL band TOPOLOGICAL phase transition

Measurement of light polarization characteristics from an oil-polluted soil surface in near-infrared bands被引量：1: 《Chinese Science Bulletin》2009年第9期1607-1612,共6页WANG Yuan SHENG LianXi LI Ke ZHAO NaiZhuo ZHAO YunSheng; Supported by the National Natural Science Foundation of China (Grant No. 40572167, 40771153);National Program for Key Basic Research Projects (973 Program) (Grant No. 2004CB418505);Platform of Scientific and Technological Innovation in the Eleventh Five-Year Plan of Northeast Normal University; Oil pollution can be monitored by infrared remote sensing technology. In this work, the degree of po-larization (DOP) was established as a quantitative index of oil pollution. The crude oil and the local typical surfa...; 关键词：土壤表面石油污染近红外波段光偏振特性测量土壤水分含量红外遥感技术定量指标

Drifting bands of solar radio spikes被引量：1: 《Chinese Science Bulletin》2008年第4期638-640,共3页XU FuYing1,2& WU HongAo1,2 1 Purple Mountain Observatory,Chinese Academy of Sciences,Nanjing 210008,China 2 National Astronomical Observatories,Chinese Academy of Sciences,Beijing 100012,China; Supported by the National Natural Science Foundation of China (Grant Nos. 10333030 and 10273025); The solar flare(1N/C5.3) occurred in NOAA 8742 on October 27,1999,and the accompanied complex radio burst was observed by the spectrometer with both high temporal(5 ms) and frequency(10 MHz) resolutions at Purple Moun...; 关键词：太阳耀斑微波爆裂太阳活动天文学

Scanning Tunneling Spectroscopy Studies on Electronic Structures of GaAs(100) and Graphite Surfaces: 《Chinese Science Bulletin》1994年第12期983-988,共6页李楠郑幼风傅春生钱生法解思深; Study on the electronic structure of material surfaces is an important branch ofsolid surface physics. The scanning tunneling spectroscopy(STS) developed recentlybased on STM has shown specific advantages on the surfa...; 关键词：STS GaAs(100) GRAPHITE density of states in VALENCE and conduction bands.

The Quantum Confinement Effect of Si_3N_4 Nanoclusters: 《Chinese Science Bulletin》1993年第22期1933-1934,共2页李道火左都罗; Semiconductor nanoclusters （quantum dots） exhibit many new characters, such as quantization of energy bands, blue shift of the lowest electron transmission, and largely enhanced optical nonlinearity, as the radius o...; 关键词：CONFINEMENT EXCITON radius BANDS nonlinearity letter INTENSE quantization amorphous CRYSTALLINE

NOVEL GLUCOSE TRANSPORTERS MIGHT BE IN THE MAMMALIAN CELLS: 《Chinese Science Bulletin》1992年第6期526-527,共2页程振起蒋五玲许卫东; Glucose transporter (GT), molecular weight 55 kd, is an important biological functional membrane protein, by which glucose is transported into the cell from the extracellular environment and used as a source of energy.; 关键词：Glucose TRANSPORTER transported intes GIVING DOING mentioned GUESS BANDS RNA

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