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Observation of an exceptional point in a two-dimensional ultrasonic cavity of concentric circular shells

We report observation of an exceptional point in circular shell ultrasonic cavities in both theory and experiment. In our theoretical analysis we first observe two interacting mode groups, fluid- and solid-based modes, in the acoustic cavities and then show the existence of an EP of these mode group...

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Detalhes bibliográficos
Publicado no:Sci Rep
Main Authors: Shin, Younghoon, Kwak, Hojeong, Moon, Songky, Lee, Sang-Bum, Yang, Juhee, An, Kyungwon
Formato: Artigo
Idioma:Inglês
Publicado em: Nature Publishing Group 2016
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC5153842/
https://ncbi.nlm.nih.gov/pubmed/27958315
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/srep38826
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