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Magnetospheric source and electric current system associated with intense SAIDs 期刊论文
Geophysical Research Letters, 2021
作者:  Wenrui Wang;  Jian Yang;  Yukitoshi Nishimura;  Weiqin Sun;  Dong Wei;  Fei Zhang;  Frank R. Toffoletto;  Richard A. Wolf;  Stanislav Sazykin;  Vassilis Angelopoulos;  Jun Cui
收藏  |  浏览/下载:14/0  |  提交时间:2021/11/15
A Magnetospheric Driver of Westward Traveling Surge: Plasma-Sheet Bubble 期刊论文
Geophysical Research Letters, 2021
作者:  Dong Wei;  Fei Zhang;  Jian Yang;  Wenrui Wang;  Weiqin Sun;  Jun Cui;  Vassilis Angelopoulos
收藏  |  浏览/下载:11/0  |  提交时间:2021/10/22
Development of Multiple Injection Channels during a Sawtooth Substorm Event 期刊论文
Geophysical Research Letters, 2021
作者:  Weiqin Sun;  Sina Sadeghzadeh;  Jian Yang;  Wenrui Wang;  Jun Cui
收藏  |  浏览/下载:10/0  |  提交时间:2021/07/27
Realization of an ideal Weyl semimetal band in a quantum gas with 3D spin-orbit coupling 期刊论文
Science, 2021
作者:  Zong-Yao Wang;  Xiang-Can Cheng;  Bao-Zong Wang;  Jin-Yi Zhang;  Yue-Hui Lu;  Chang-Rui Yi;  Sen Niu;  Youjin Deng;  Xiong-Jun Liu;  Shuai Chen;  Jian-Wei Pan
收藏  |  浏览/下载:14/0  |  提交时间:2021/04/20
SARS-CoV-2 Mpro inhibitors with antiviral activity in a transgenic mouse model 期刊论文
Science, 2021
作者:  Jingxin Qiao;  Yue-Shan Li;  Rui Zeng;  Feng-Liang Liu;  Rong-Hua Luo;  Chong Huang;  Yi-Fei Wang;  Jie Zhang;  Baoxue Quan;  Chenjian Shen;  Xin Mao;  Xinlei Liu;  Weining Sun;  Wei Yang;  Xincheng Ni;  Kai Wang;  Ling Xu;  Zi-Lei Duan;  Qing-Cui Zou;  Hai-Lin Zhang;  Wang Qu;  Yang-Hao-Peng Long;  Ming-Hua Li;  Rui-Cheng Yang;  Xiaolong Liu;  Jing You;  Yangli Zhou;  Rui Yao;  Wen-Pei Li;  Jing-Ming Liu;  Pei Chen;  Yang Liu;  Gui-Feng Lin;  Xin Yang;  Jun Zou;  Linli Li;  Yiguo Hu;  Guang-Wen Lu;  Wei-Min Li;  Yu-Quan Wei;  Yong-Tang Zheng;  Jian Lei;  Shengyong Yang
收藏  |  浏览/下载:14/0  |  提交时间:2021/04/06
Effects of ion slippage in Earth’s ionosphere and the plasma sheet 期刊论文
Geophysical Research Letters, 2021
作者:  Wenrui Wang;  Jian Yang;  Yukitoshi Nishimura;  Richard A. Wolf;  Frank R. Toffoletto;  Vassilis Angelopoulos;  David Knudsen;  Eric Donovan;  Jun Cui
收藏  |  浏览/下载:8/0  |  提交时间:2021/02/17
Quantum computational advantage using photons 期刊论文
Science, 2020
作者:  Han-Sen Zhong;  Hui Wang;  Yu-Hao Deng;  Ming-Cheng Chen;  Li-Chao Peng;  Yi-Han Luo;  Jian Qin;  Dian Wu;  Xing Ding;  Yi Hu;  Peng Hu;  Xiao-Yan Yang;  Wei-Jun Zhang;  Hao Li;  Yuxuan Li;  Xiao Jiang;  Lin Gan;  Guangwen Yang;  Lixing You;  Zhen Wang;  Li Li;  Nai-Le Liu;  Chao-Yang Lu;  Jian-Wei Pan
收藏  |  浏览/下载:29/0  |  提交时间:2020/12/22
Exceptional plasticity in the bulk single-crystalline van der Waals semiconductor InSe 期刊论文
Science, 2020
作者:  Tian-Ran Wei;  Min Jin;  Yuecun Wang;  Hongyi Chen;  Zhiqiang Gao;  Kunpeng Zhao;  Pengfei Qiu;  Zhiwei Shan;  Jun Jiang;  Rongbin Li;  Lidong Chen;  Jian He;  Xun Shi
收藏  |  浏览/下载:10/0  |  提交时间:2020/08/09
Nagaoka ferromagnetism observed in a quantum dot plaquette 期刊论文
NATURE, 2020, 579 (7800) : 528-533
作者:  Yu, Yong;  Ma, Fei;  Luo, Xi-Yu;  Jing, Bo;  Sun, Peng-Fei;  Fang, Ren-Zhou;  Yang, Chao-Wei;  Liu, Hui;  Zheng, Ming-Yang;  Xie, Xiu-Ping;  Zhang, Wei-Jun;  You, Li-Xing;  Wang, Zhen;  Chen, Teng-Yun;  Zhang, Qiang;  Bao, Xiao-Hui;  Pan, Jian-Wei
收藏  |  浏览/下载:31/0  |  提交时间:2020/07/03

A quantum dot device designed to host four electrons is used to demonstrate Nagaoka ferromagnetism-a model of itinerant magnetism that has so far been limited to theoretical investigation.


Engineered, highly controllable quantum systems are promising simulators of emergent physics beyond the simulation capabilities of classical computers(1). An important problem in many-body physics is itinerant magnetism, which originates purely from long-range interactions of free electrons and whose existence in real systems has been debated for decades(2,3). Here we use a quantum simulator consisting of a four-electron-site square plaquette of quantum dots(4) to demonstrate Nagaoka ferromagnetism(5). This form of itinerant magnetism has been rigorously studied theoretically(6-9) but has remained unattainable in experiments. We load the plaquette with three electrons and demonstrate the predicted emergence of spontaneous ferromagnetic correlations through pairwise measurements of spin. We find that the ferromagnetic ground state is remarkably robust to engineered disorder in the on-site potentials and we can induce a transition to the low-spin state by changing the plaquette topology to an open chain. This demonstration of Nagaoka ferromagnetism highlights that quantum simulators can be used to study physical phenomena that have not yet been observed in any experimental system. The work also constitutes an important step towards large-scale quantum dot simulators of correlated electron systems.


  
Device-independent quantum random-number generation 期刊论文
NATURE, 2018, 562 (7728) : 548-+
作者:  Liu, Yang;  Zhao, Qi;  Li, Ming-Han;  Guan, Jian-Yu;  Zhang, Yanbao;  Bai, Bing;  Zhang, Weijun;  Liu, Wen-Zhao;  Wu, Cheng;  Yuan, Xiao;  Li, Hao;  Munro, W. J.;  Wang, Zhen;  You, Lixing;  Zhang, Jun;  Ma, Xiongfeng;  Fan, Jingyun;  Zhang, Qiang;  Pan, Jian-Wei
收藏  |  浏览/下载:9/0  |  提交时间:2019/11/27