Non-Hermitian winding and braiding of topological boundary states

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成果类型：

期刊论文

作者：

Pu, Zhenhang;Wu, Jien;Chen, Xingyu;Lu, Jiuyang;Huang, Xueqin;...

通讯作者：

Deng, Weiyin;Ke, Manzhu;Liu, ZY;Deng, WY

作者机构：

[Chen, Xingyu; Pu, Zhenhang; Deng, Weiyin; Liu, Zhengyou; Ke, Manzhu; Deng, WY; Lu, Jiuyang] Wuhan Univ, Minist Educ, Key Lab Artificial Micro & Nanostruct, Wuhan 430072, Peoples R China.

[Chen, Xingyu; Pu, Zhenhang; Deng, Weiyin; Liu, Zhengyou; Ke, Manzhu; Deng, WY; Lu, Jiuyang] Wuhan Univ, Sch Phys & Technol, Wuhan 430072, Peoples R China.

[Wu, Jien] Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha 410114, Peoples R China.

[Huang, Xueqin; Deng, WY; Deng, Weiyin; Lu, Jiuyang] South China Univ Technol, Sch Phys & Optoelect, Guangzhou 510640, Guangdong, Peoples R China.

[Liu, Zhengyou] Wuhan Univ, Inst Adv Studies, Wuhan 430072, Peoples R China.

通讯机构：

[Deng, WY ] S

[Ke, MZ; Deng, WY; Liu, ZY ] W

Wuhan Univ, Minist Educ, Key Lab Artificial Micro & Nanostruct, Wuhan 430072, Peoples R China.

Wuhan Univ, Sch Phys & Technol, Wuhan 430072, Peoples R China.

South China Univ Technol, Sch Phys & Optoelect, Guangzhou 510640, Guangdong, Peoples R China.

语种：

英文

期刊：

PHYSICAL REVIEW B

ISSN：

2469-9950

年：

2025

卷：

111

期：

DOI：

10.1103/PhysRevB.111.075123

基金类别：

National Key Research and Development Program of China#&#&#2022YFA1404900#&#&#2022YFA1404500 National Natural Science Foundation of China#&#&#12074128#&#&#12222405#&#&#12374409 Basic and Applied Basic Research Foundation of Guangdong Province#&#&#2021B1515020086#&#&#2022B1515020102 China Postdoctoral Science Foundation#&#&#2024M752453

机构署名：

本校为其他机构

院系归属：

物理与电子科学学院

摘要：

Topological boundary state is the hallmark feature of topological physics. Recently, non-Hermicity was found to dramatically expand the scope of topological physics, and provides an exotic strategy to manipulate the topological boundary states. Here, we realize the non-Hermitian winding and braiding of topological edge states in electric circuits. The topological edge states originate from the nontrivial bulk polarization. The twisted winding of a topological edge band and the ensuing bipolar hybrid skin-topological effect, and the Hopf link and Solomon link braidings between two topological e...

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Non-Hermitian winding and braiding of topological boundary states

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