Volume 46, Number 4, May II 1999
|Page(s)||467 - 470|
|Section||Electromagnetism, optics, acoustic, heat transfer, classical mechanics, and fluid dynamics|
|Published online||01 December 2003|
Resonant tunnelling of acoustic waves between two slender tubes
Laboratoire de Dynamique et Structures des Matériaux Moléculaires UPRESA CNRS 8024, UFR de Physique, Université de Lille 1 59655 Villeneuve d'Ascq Cedex, France
2 Laboratoire de Physique des Lasers, Atomes et Molécules Centre d'Etudes et de Recherches Lasers et Applications, UMR CNRS 8523 Université de Lille 1 - 59655 Villeneuve d'Ascq Cedex, France
Accepted: 10 March 1999
We consider the tunnelling of acoustic waves between two slender tubes through a monomode structure. We give in closed form the conditions for selective transfer of a single propagating state from one tube to the other, leaving all other neighbor states unaffected. We illustrate the results of this analysis by analytical solutions for a simple structure made out of pieces of slender tubes.
PACS: 43.20.+g – General linear acoustics / 63.20.Pw – Localized modes / 73.40.Gk – Tunnelling
© EDP Sciences, 1999
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