气候变化领域集成服务门户(CCPortal): Gapped topological kink states and topological corner states in honeycomb lattice

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DOI	10.1016/j.scib.2020.01.024
	Gapped topological kink states and topological corner states in honeycomb lattice
	Yang Y.; Jia Z.; Wu Y.; Xiao R.-C.; Hang Z.H.; Jiang H.; Xie X.C.
发表日期	2020
ISSN	20959273
起始页码	531
结束页码	537
卷号	65 期号:7
英文摘要	Based on the tight-binding calculations on honeycomb lattice and photonic experimental visualization on artificial graphene (AG), we report the domain-wall-induced gapped topological kink states and topological corner states. In honeycomb lattice, domain walls (DWs) with gapless topological kink states could be induced either by sublattice symmetry breaking or by lattice deformation. We find that the coexistence of these two mechanisms will induce DWs with gapped topological kink states. Significantly, the intersection of these two types of DWs gives rise to topological corner state localized at the crossing point. Through the manipulation of the DWs, we show AG with honeycomb lattice structure not only a versatile platform supporting multiple topological corner modes in a controlled manner, but also possessing promising applications such as fabricating topological quantum dots composed of gapped topological kink states and topological corner states. © 2020 Science China Press
关键词	Domain-wall-induced topological states Honeycomb photonic crystal Topological corner states Topological kink states Topological quantum dot
英文关键词	Carbon Quantum Dots; Domain walls; Graphene quantum dots; Honeycomb structures; Nanocrystals; Semiconductor quantum dots; Experimental visualization; Honeycomb photonic crystals; Kink state; Lattice deformation; Sublattice symmetry; Tight-binding calculations; Topological corner states; Topological state; Topology
语种	英语
来源期刊	Science Bulletin
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/207260
作者单位	School of Physical Science and Technology, Soochow University, Suzhou, 215006, China; International Center for Quantum Materials, Peking University, Beijing, 100871, China; Institute for Advanced Study, Soochow University, Suzhou, 215006, China; Beijing Academy of Quantum Information Sciences, Beijing, 100193, China; CAS Center for Excellence in Topological Quantum Computation, University of Chinese Academy of Sciences, Beijing, 100190, China
推荐引用方式 GB/T 7714	Yang Y.,Jia Z.,Wu Y.,et al. Gapped topological kink states and topological corner states in honeycomb lattice[J],2020,65(7).
APA	Yang Y..,Jia Z..,Wu Y..,Xiao R.-C..,Hang Z.H..,...&Xie X.C..(2020).Gapped topological kink states and topological corner states in honeycomb lattice.Science Bulletin,65(7).
MLA	Yang Y.,et al."Gapped topological kink states and topological corner states in honeycomb lattice".Science Bulletin 65.7(2020).