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Dive into the research topics where Qiunan Xu is active.

Publication


Featured researches published by Qiunan Xu.


Physical Review B | 2017

Topological nodal line semimetals in the CaP 3 family of materials

Qiunan Xu; Rui Yu; Zhong Fang; Xi Dai; Hongming Weng

By using first-principles calculations and a


Physical Review B | 2016

Emergence of topological bands on the surface of ZrSnTe crystal

Rui Lou; J. Ma; Qiunan Xu; B. B. Fu; Lingyuan Kong; Y. G. Shi; P. Richard; Hongming Weng; Zhong Fang; Shanshan Sun; Qi Wang; Hechang Lei; T. Qian; H. Ding; Shancai Wang

k\ifmmode\cdot\else\textperiodcentered\fi{}p


Physical Review B | 2017

Evidence of topological insulator state in the semimetal LaBi

Rui Lou; B. B. Fu; Qiunan Xu; Peng-Jie Guo; Lingyuan Kong; Li Zeng; J. Ma; Pierre Richard; Chen Fang; Yaobo Huang; Shanshan Sun; Qi Wang; Linjun Wang; Y. G. Shi; Hechang Lei; Kai Liu; Hongming Weng; Tian Qian; H. Ding; Shancai Wang

model analysis, we propose that the three-dimensional topological nodal line semimetal state can be realized in the


Physical Review Letters | 2017

Topologically Entangled Rashba-Split Shockley States on the Surface of Grey Arsenic

Peng Zhang; J. Ma; Y. Ishida; Lin Zhao; Qiunan Xu; B. Q. Lv; Koichiro Yaji; G. Chen; Hongming Weng; Xi Dai; Zhong Fang; Xing-Qiu Chen; T. Qian; H. Ding; Shik Shin; Liang Fu

{\mathrm{CaP}}_{3}


Bulletin of the American Physical Society | 2015

Topological Node-Line Semimetal in Three Dimensional Graphene Networks

Hongming Weng; Yunye Liang; Qiunan Xu; Rui Yu; Zhong Fang; Xi Dai; Yoshiyuki Kawazoe

family of materials, which includes


Physical Review B | 2015

Two-Dimensional Oxide Topological Insulator With Iron-Pnictide Superconductor LiFeAs Structure

Qiunan Xu; Zhida Song; Simin Nie; Hongming Weng; Zhong Fang; Xi Dai

{\mathrm{CaP}}_{3},{\mathrm{CaAs}}_{3},{\mathrm{SrP}}_{3},{\mathrm{SrAs}}_{3}


Physical Review Letters | 2016

Compensated Semimetal LaSb with Unsaturated Magnetoresistance.

Li Zeng; Rui Lou; D. S. Wu; Qiunan Xu; Peng-Jie Guo; Lingyuan Kong; Y. G. Zhong; J. Ma; B. B. Fu; P. Richard; Pengshuai Wang; G. T. Liu; L. Lu; Yaobo Huang; Chen Fang; Shanshan Sun; Qi Wang; Linjun Wang; Y. G. Shi; Hongming Weng; Hechang Lei; Kai Liu; Shancai Wang; T. Qian; J. L. Luo; H. Ding

, and


Physical Review B | 2017

Magnetotransport properties in a compensated semimetal gray arsenic

Lingxiao Zhao; Qiunan Xu; Xinmin Wang; J. B. He; Jing Li; Huaixin Yang; Yujia Long; Dong Chen; Hui Liang; Chunhong Li; Mianqi Xue; Jianqi Li; Zhi-An Ren; Li Lu; Hongmin Weng; Zhong Fang; Xi Dai; Genfu Chen

{\mathrm{BaAs}}_{3}


arXiv: Materials Science | 2016

Evidence of topological insulator state in LaBi semimetal

Rui Lou; B. B. Fu; Qiunan Xu; Peng-Jie Guo; Lingyuan Kong; Li Zeng; J. Ma; P. Richard; Chen Fang; Yaobo Huang; Shanshan Sun; Qi Wang; Linjun Wang; Y. G. Shi; Hechang Lei; Kai Liu; Hongming Weng; T. Qian; H. Ding; S.-C. Wang

, when spin-orbit coupling (SOC) is ignored. The closed topological nodal line near the Fermi energy is protected by time reversal symmetry and spatial inversion symmetry. Moreover, drumheadlike two-dimensional surface states are also obtained on the


Bulletin of the American Physical Society | 2018

Exotic fermions in condensed-matter systems

Baiqing Lyu; Changjiang Yi; Zili Feng; B. B. Fu; QuanSheng Wu; Qiunan Xu; Pierre Richard; J. Ma; Yaobo Huang; V. N. Strocov; M. Shi; Chen Fang; Hongming Weng; Youguo Shi; Tian Qian; H. Ding

c

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Hongming Weng

Chinese Academy of Sciences

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Zhong Fang

Chinese Academy of Sciences

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Xi Dai

Chinese Academy of Sciences

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H. Ding

Chinese Academy of Sciences

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J. Ma

Chinese Academy of Sciences

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B. B. Fu

Chinese Academy of Sciences

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Lingyuan Kong

Chinese Academy of Sciences

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Qi Wang

Renmin University of China

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Rui Lou

Renmin University of China

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Shanshan Sun

Renmin University of China

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