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복잡계 이론물리 연구단
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Influence of different disorder types on Aharonov-Bohm caging in the diamond chain

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Title
Influence of different disorder types on Aharonov-Bohm caging in the diamond chain
Author(s)
Gligoric, G; Daniel Leykam; Maluckov, A
Publication Date
2020-02
Journal
PHYSICAL REVIEW A, v.101, no.2, pp.023839 -
Publisher
AMER PHYSICAL SOC
Abstract
The linear diamond chain with fine-tuned effective magnetic flux has a completely flat energy spectrum and compactly localized eigenmodes, forming an Aharonov-Bohm cage. We study numerically how this localization is affected by different types of disorder (static and time-evolving) relevant to recent realizations of Aharonov-Bohm cages in periodically modulated optical waveguide arrays. We demonstrate robustness of localization under static and time-periodic disorder. In contrast, nonquenched (time-dependent) disorder leads to wave-packet spreading and delocalization. ©2020 American Physical Society
URI
https://pr.ibs.re.kr/handle/8788114/7247
ISSN
2469-9926
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > Journal Papers (저널논문)
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