Acoustic Willis meta-atom beyond the bounds of passivity and reciprocity

Acoustic Willis meta-atom beyond the bounds of passivity and reciprocity

Metamaterials are designed to control unconventional wave properties in acoustic systems with a range of applications such as acoustic cloaking. Here, the authors design an active acoustic Willis metamaterial that can realize decoupled polarizabilities beyond the bound of passivity and reciprocity.

Bibliographic Details
Main Authors: Choonlae Cho, Xinhua Wen, Namkyoo Park, Jensen Li
Format: Article
Language:English
Published: Nature Publishing Group 2021-04-01
Series:Communications Physics
Online Access:https://doi.org/10.1038/s42005-021-00584-6
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spelling doaj-30b856707f0b4ae999553f3e8663b6852021-04-25T11:23:39ZengNature Publishing GroupCommunications Physics2399-36502021-04-01411810.1038/s42005-021-00584-6Acoustic Willis meta-atom beyond the bounds of passivity and reciprocityChoonlae Cho0Xinhua Wen1Namkyoo Park2Jensen Li3Department of Physics, The Hong Kong University of Science and TechnologyDepartment of Physics, The Hong Kong University of Science and TechnologyPhotonic Systems Laboratory, Department of Electrical and Computer Engineering, Seoul National UniversityDepartment of Physics, The Hong Kong University of Science and TechnologyMetamaterials are designed to control unconventional wave properties in acoustic systems with a range of applications such as acoustic cloaking. Here, the authors design an active acoustic Willis metamaterial that can realize decoupled polarizabilities beyond the bound of passivity and reciprocity.https://doi.org/10.1038/s42005-021-00584-6
collection DOAJ
language English
format Article
sources DOAJ
author Choonlae Cho
Xinhua Wen
Namkyoo Park
Jensen Li
spellingShingle Choonlae Cho
Xinhua Wen
Namkyoo Park
Jensen Li
Acoustic Willis meta-atom beyond the bounds of passivity and reciprocity
Communications Physics
author_facet Choonlae Cho
Xinhua Wen
Namkyoo Park
Jensen Li
author_sort Choonlae Cho
title Acoustic Willis meta-atom beyond the bounds of passivity and reciprocity
title_short Acoustic Willis meta-atom beyond the bounds of passivity and reciprocity
title_full Acoustic Willis meta-atom beyond the bounds of passivity and reciprocity
title_fullStr Acoustic Willis meta-atom beyond the bounds of passivity and reciprocity
title_full_unstemmed Acoustic Willis meta-atom beyond the bounds of passivity and reciprocity
title_sort acoustic willis meta-atom beyond the bounds of passivity and reciprocity
publisher Nature Publishing Group
series Communications Physics
issn 2399-3650
publishDate 2021-04-01
description Metamaterials are designed to control unconventional wave properties in acoustic systems with a range of applications such as acoustic cloaking. Here, the authors design an active acoustic Willis metamaterial that can realize decoupled polarizabilities beyond the bound of passivity and reciprocity.
url https://doi.org/10.1038/s42005-021-00584-6
work_keys_str_mv AT choonlaecho acousticwillismetaatombeyondtheboundsofpassivityandreciprocity
AT xinhuawen acousticwillismetaatombeyondtheboundsofpassivityandreciprocity
AT namkyoopark acousticwillismetaatombeyondtheboundsofpassivityandreciprocity
AT jensenli acousticwillismetaatombeyondtheboundsofpassivityandreciprocity
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