Gauge-dependent topology in non-reciprocal hopping systems with pseudo-Hermitian symmetry

Non-Hermitian physics, an active topic in photonics, is also being increasingly extended to investigate the band topologies of condensed-matter systems. Here, the authors report a 2D non-Hermitian model exhibiting exceptional rings and topological boundary modes in the spectral degeneracy, they prop...

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Autores principales:	Xintong Zhang, Ke Xu, Chunmin Liu, Xiaoxiao Song, Bowen Hou, Rui Yu, Hao Zhang, Dan Li, Jing Li
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Astrophysics QB460-466 Physics QC1-999
Acceso en línea:	https://doaj.org/article/5daf4219019a4e8b8bb562b39aece58f
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spelling	oai:doaj.org-article:5daf4219019a4e8b8bb562b39aece58f2021-12-02T17:55:09ZGauge-dependent topology in non-reciprocal hopping systems with pseudo-Hermitian symmetry10.1038/s42005-021-00668-32399-3650https://doaj.org/article/5daf4219019a4e8b8bb562b39aece58f2021-07-01T00:00:00Zhttps://doi.org/10.1038/s42005-021-00668-3https://doaj.org/toc/2399-3650Non-Hermitian physics, an active topic in photonics, is also being increasingly extended to investigate the band topologies of condensed-matter systems. Here, the authors report a 2D non-Hermitian model exhibiting exceptional rings and topological boundary modes in the spectral degeneracy, they propose how to realise these features using topolectrical circuits.Xintong ZhangKe XuChunmin LiuXiaoxiao SongBowen HouRui YuHao ZhangDan LiJing LiNature PortfolioarticleAstrophysicsQB460-466PhysicsQC1-999ENCommunications Physics, Vol 4, Iss 1, Pp 1-7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Astrophysics QB460-466 Physics QC1-999
spellingShingle	Astrophysics QB460-466 Physics QC1-999 Xintong Zhang Ke Xu Chunmin Liu Xiaoxiao Song Bowen Hou Rui Yu Hao Zhang Dan Li Jing Li Gauge-dependent topology in non-reciprocal hopping systems with pseudo-Hermitian symmetry
description	Non-Hermitian physics, an active topic in photonics, is also being increasingly extended to investigate the band topologies of condensed-matter systems. Here, the authors report a 2D non-Hermitian model exhibiting exceptional rings and topological boundary modes in the spectral degeneracy, they propose how to realise these features using topolectrical circuits.
format	article
author	Xintong Zhang Ke Xu Chunmin Liu Xiaoxiao Song Bowen Hou Rui Yu Hao Zhang Dan Li Jing Li
author_facet	Xintong Zhang Ke Xu Chunmin Liu Xiaoxiao Song Bowen Hou Rui Yu Hao Zhang Dan Li Jing Li
author_sort	Xintong Zhang
title	Gauge-dependent topology in non-reciprocal hopping systems with pseudo-Hermitian symmetry
title_short	Gauge-dependent topology in non-reciprocal hopping systems with pseudo-Hermitian symmetry
title_full	Gauge-dependent topology in non-reciprocal hopping systems with pseudo-Hermitian symmetry
title_fullStr	Gauge-dependent topology in non-reciprocal hopping systems with pseudo-Hermitian symmetry
title_full_unstemmed	Gauge-dependent topology in non-reciprocal hopping systems with pseudo-Hermitian symmetry
title_sort	gauge-dependent topology in non-reciprocal hopping systems with pseudo-hermitian symmetry
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/5daf4219019a4e8b8bb562b39aece58f
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Gauge-dependent topology in non-reciprocal hopping systems with pseudo-Hermitian symmetry

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