Tailored elastic surface to body wave Umklapp conversion

Gregory J. Chaplain; Jacopo M. De Ponti; Andrea Colombi; Rafael Fuentes-Dominguez; Paul Dryburg; Don Pieris; Richard J. Smith; Adam Clare; Matt Clark; Richard V. Craster

doi:10.1038/s41467-020-17021-x

Nature Communications (Jun 2020)

Tailored elastic surface to body wave Umklapp conversion

Gregory J. Chaplain,
Jacopo M. De Ponti,
Andrea Colombi,
Rafael Fuentes-Dominguez,
Paul Dryburg,
Don Pieris,
Richard J. Smith,
Adam Clare,
Matt Clark,
Richard V. Craster

Affiliations

Gregory J. Chaplain: Department of Mathematics, Imperial College London
Jacopo M. De Ponti: Department of Civil and Environmental Engineering, Politecnico di Milano
Andrea Colombi: Department of Civil, Environmental and Geomatic Engineering, ETH
Rafael Fuentes-Dominguez: Optics and Photonics, Faculty of Engineering, University of Nottingham
Paul Dryburg: Optics and Photonics, Faculty of Engineering, University of Nottingham
Don Pieris: Optics and Photonics, Faculty of Engineering, University of Nottingham
Richard J. Smith: Optics and Photonics, Faculty of Engineering, University of Nottingham
Adam Clare: Advanced Component Engineering Laboratory (ACEL), Faculty of Engineering, University of Nottingham
Matt Clark: Optics and Photonics, Faculty of Engineering, University of Nottingham
Richard V. Craster: Department of Mathematics, Imperial College London

DOI: https://doi.org/10.1038/s41467-020-17021-x
Journal volume & issue: Vol. 11, no. 1
pp. 1 – 6

Abstract

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Umklapp scattering, an effect that has been conventionally studied in phonon systems in quantum transport, is studied here in an elastic system. The authors demonstrate mode conversion from surface Rayleigh waves into bulk waves that have uniquely tunable properties.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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