Coexistence of Weyl semimetal and Weyl nodal loop semimetal phases in a collinear antiferromagnet

doi:10.1103/PhysRevB.107.224402

IMR OpenIR

	Coexistence of Weyl semimetal and Weyl nodal loop semimetal phases in a collinear antiferromagnet
	Zhan, Jie 1,2; Li, Jiangxu 2; Shi, Wujun 3,4; Chen, Xing-Qiu 1,2; Sun, Yan 1,2
通讯作者	Chen, Xing-Qiu(xingqiu.chen@imr.ac.cn)
	2023-06-02
发表期刊	PHYSICAL REVIEW B
ISSN	2469-9950
卷号	107 期号:22 页码:7
摘要	Antiferromagnets (AFMs) with anomalous quantum responses have led to new progress for the under-standing of their magnetic and electronic structures from symmetrical and topological points of view. Two typical topological states are the collinear antiferromagnetic Weyl semimetal (WSM) and Weyl nodal loop semimetal (WNLSM). In comparison with their counterparts in ferromagnets and noncollinear AFMs, WSMs and WNLSMs in collinear AFMs are still awaiting experimental verification. In this paper, we theoretically predict the coexistence of Weyl points (WPs) and Weyl nodal loops (WNLs) in transition metal oxide RuO2. Owing to the small magnetocrystalline anisotropy energy, the WPs and WNLs can transform into each other via tuning the Neel vector. Moreover, since the WPs are very close to the Fermi level and the WNLs are even crossing the Fermi level, the topological states in RuO2 can be easily probed by photoemission and scanning tunneling microscopy methods. Our result provides a promising material platform for the study of WSM and WNLSM states in collinear AFMs.
资助者	National Key R&D Program of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation
DOI	10.1103/PhysRevB.107.224402
收录类别	SCI
语种	英语
资助项目	National Key R&D Program of China[2021YFB3501503] ; National Natural Science Foundation of China[52271016] ; National Natural Science Foundation of China[51725103] ; National Natural Science Foundation of China[52188101] ; China Postdoctoral Science Foundation[2021M700152]
WOS研究方向	Materials Science ; Physics
WOS类目	Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS记录号	WOS:001009497300002
出版者	AMER PHYSICAL SOC
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/178160
专题	中国科学院金属研究所
通讯作者	Chen, Xing-Qiu
作者单位	1.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 3.ShanghaiTech Univ, Ctr Transformat Sci, Shanghai 201210, Peoples R China 4.ShanghaiTech Univ, Shanghai High Repetit Rate XFEL & Extreme Light Fa, Shanghai 201210, Peoples R China
推荐引用方式 GB/T 7714	Zhan, Jie,Li, Jiangxu,Shi, Wujun,et al. Coexistence of Weyl semimetal and Weyl nodal loop semimetal phases in a collinear antiferromagnet[J]. PHYSICAL REVIEW B,2023,107(22):7.
APA	Zhan, Jie,Li, Jiangxu,Shi, Wujun,Chen, Xing-Qiu,&Sun, Yan.(2023).Coexistence of Weyl semimetal and Weyl nodal loop semimetal phases in a collinear antiferromagnet.PHYSICAL REVIEW B,107(22),7.
MLA	Zhan, Jie,et al."Coexistence of Weyl semimetal and Weyl nodal loop semimetal phases in a collinear antiferromagnet".PHYSICAL REVIEW B 107.22(2023):7.