A band of bound states in the continuum induced by disorder

Abstract Bound states in the continuum usually refer to the phenomenon of a single or a few discrete bound states embedded in a continuous spectrum of extended states. Here we propose a simple mechanism to achieve a band of bound states in the continuum in a class of disordered quasi-1D and quasi-2D...

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Autores principales:	Yi-Xin Xiao, Zhao-Qing Zhang, C. T. Chan
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ece24b50a53d4853bf6089f24bc342af
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spelling	oai:doaj.org-article:ece24b50a53d4853bf6089f24bc342af2021-12-02T15:08:16ZA band of bound states in the continuum induced by disorder10.1038/s41598-018-23576-z2045-2322https://doaj.org/article/ece24b50a53d4853bf6089f24bc342af2018-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-23576-zhttps://doaj.org/toc/2045-2322Abstract Bound states in the continuum usually refer to the phenomenon of a single or a few discrete bound states embedded in a continuous spectrum of extended states. Here we propose a simple mechanism to achieve a band of bound states in the continuum in a class of disordered quasi-1D and quasi-2D systems, where the bound states and extended states overlap completely in a spectral range. The systems are partially disordered in a way that a band of extended states always exists, not affected by the randomness, whereas the states in all other bands become localized and cover the entire spectrum of extended states. We demonstrate such disordered-induced bound states in the continuum in disordered multi-chain and multi-layer systems.Yi-Xin XiaoZhao-Qing ZhangC. T. ChanNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-6 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yi-Xin Xiao Zhao-Qing Zhang C. T. Chan A band of bound states in the continuum induced by disorder
description	Abstract Bound states in the continuum usually refer to the phenomenon of a single or a few discrete bound states embedded in a continuous spectrum of extended states. Here we propose a simple mechanism to achieve a band of bound states in the continuum in a class of disordered quasi-1D and quasi-2D systems, where the bound states and extended states overlap completely in a spectral range. The systems are partially disordered in a way that a band of extended states always exists, not affected by the randomness, whereas the states in all other bands become localized and cover the entire spectrum of extended states. We demonstrate such disordered-induced bound states in the continuum in disordered multi-chain and multi-layer systems.
format	article
author	Yi-Xin Xiao Zhao-Qing Zhang C. T. Chan
author_facet	Yi-Xin Xiao Zhao-Qing Zhang C. T. Chan
author_sort	Yi-Xin Xiao
title	A band of bound states in the continuum induced by disorder
title_short	A band of bound states in the continuum induced by disorder
title_full	A band of bound states in the continuum induced by disorder
title_fullStr	A band of bound states in the continuum induced by disorder
title_full_unstemmed	A band of bound states in the continuum induced by disorder
title_sort	band of bound states in the continuum induced by disorder
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/ece24b50a53d4853bf6089f24bc342af
work_keys_str_mv	AT yixinxiao abandofboundstatesinthecontinuuminducedbydisorder AT zhaoqingzhang abandofboundstatesinthecontinuuminducedbydisorder AT ctchan abandofboundstatesinthecontinuuminducedbydisorder AT yixinxiao bandofboundstatesinthecontinuuminducedbydisorder AT zhaoqingzhang bandofboundstatesinthecontinuuminducedbydisorder AT ctchan bandofboundstatesinthecontinuuminducedbydisorder
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A band of bound states in the continuum induced by disorder

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