Publikationsdatum:
2016-12-31
Beschreibung:
Author(s): Cornelia Schwarz, Benjamin Pigeau, Laure Mercier de Lépinay, Aurélien G. Kuhn, Dipankar Kalita, Nedjma Bendiab, Laëtitia Marty, Vincent Bouchiat, and Olivier Arcizet Normal-mode expansion is routinely used to model multimodal mechanical systems, but at the nanoscale its assumptions are not always valid. The authors find that in the presence of s p a t i a l l y h e t e r o g e n e o u s dissipation, the thermal noise spectrum of a hybrid nanomechanical system includes anomalous lineshapes quite different from model predictions. To address this, they measure the l o c a l mechanical susceptibility, and verify the validity of the Fluctuation-Dissipation Theorem in the coupled device. [Phys. Rev. Applied 6, 064021] Published Thu Dec 29, 2016
Digitale ISSN:
2331-7019
Thema:
Physik