Volume 65, Number 6, March 2004
|Page(s)||791 - 794|
|Section||Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics|
|Published online||01 March 2004|
A simple phonon multiplexer
LDSMM, CNRS-UMR 8024, UFR de Physique, Université de Lille 1 59655 Villeneuve d'Ascq Cédex, France
2 Institute of Nuclear Physics - ul. Radzikowskiego 152, 31-342 Kraków, Poland
3 Faculty of Engineering, Zagazig University, Benha Branch - 11241 Cairo, Egypt
Corresponding author: email@example.com
Accepted: 9 January 2004
Simple multiplexing phonon structures are presented. Such structures can be deposited on a surface with current ultra-high vacuum technologies. In the atomic domain they are supposed to be made out of two parallel mono-atomic chains of atoms and of a simple coupling device made out of two other atoms interacting together and with the two chains. We show analytically that these simple structures can transfer with selectivity and directivity one phonon from one chain to the other, leaving neighbor phonons unaffected. We give closed-form relations enabling to obtain the values of the relevant physical parameters for this multiplexing phenomenon to happen at a chosen wavelength. Finally, we illustrate this general theory by an application.
PACS: 43.20.+g – General linear acoustics / 63.20.Pw – Localized modes / 73.40.Gk – Tunneling
© EDP Sciences, 2004
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