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Article: PT-symmetric acoustics

TitlePT-symmetric acoustics
Authors
Issue Date2014
PublisherAmerican Physical Society. The Journal's web site is located at http://journals.aps.org/prx/
Citation
Physical Review X, 2014, v. 4 n. 3, article no. 031042 , p. 1-7 How to Cite?
AbstractWe introduce here the concept of acoustic parity-time (PT ) symmetry and demonstrate the extraordinary scattering characteristics of the acoustic PT medium. On the basis of exact calculations, we show how an acoustic PT -symmetric medium can become unidirectionally transparent at given frequencies. Combining such a PT -symmetric medium with transformation acoustics, we design two-dimensional symmetric acoustic cloaks that are unidirectionally invisible in a prescribed direction. Our results open new possibilities for designing functional acoustic devices with directional responses.
Persistent Identifierhttp://hdl.handle.net/10722/256684
ISSN
2020 Impact Factor: 15.762
2015 SCImago Journal Rankings: 5.040
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorZhu, Xuefeng-
dc.contributor.authorRamezani, Hamidreza-
dc.contributor.authorShi, Chengzhi-
dc.contributor.authorZhu, Jie-
dc.contributor.authorZhang, Xiang-
dc.date.accessioned2018-07-24T08:57:36Z-
dc.date.available2018-07-24T08:57:36Z-
dc.date.issued2014-
dc.identifier.citationPhysical Review X, 2014, v. 4 n. 3, article no. 031042 , p. 1-7-
dc.identifier.issn2160-3308-
dc.identifier.urihttp://hdl.handle.net/10722/256684-
dc.description.abstractWe introduce here the concept of acoustic parity-time (PT ) symmetry and demonstrate the extraordinary scattering characteristics of the acoustic PT medium. On the basis of exact calculations, we show how an acoustic PT -symmetric medium can become unidirectionally transparent at given frequencies. Combining such a PT -symmetric medium with transformation acoustics, we design two-dimensional symmetric acoustic cloaks that are unidirectionally invisible in a prescribed direction. Our results open new possibilities for designing functional acoustic devices with directional responses.-
dc.languageeng-
dc.publisherAmerican Physical Society. The Journal's web site is located at http://journals.aps.org/prx/-
dc.relation.ispartofPhysical Review X-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titlePT-symmetric acoustics-
dc.typeArticle-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevX.4.031042-
dc.identifier.scopuseid_2-s2.0-84906968521-
dc.identifier.volume4-
dc.identifier.issue3-
dc.identifier.spagearticle no. 031042, p. 1-
dc.identifier.epagearticle no. 031042, p. 7-
dc.identifier.isiWOS:000341268300002-
dc.identifier.issnl2160-3308-

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