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Transition of a nanomechanical Sharvin oscillator towards the chaotic regime

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Title
Transition of a nanomechanical Sharvin oscillator towards the chaotic regime
Author(s)
Joon Hyong Cho; Minah Seo; Taikjin Lee; Jae Hun Kim; Seong Chan Jun; Young Min Jhon; Kang-Hun Ahn; Robert H Blick; Hee Chul Park; Chulki Kim
Subject
nanoelectromechanical system, impact oscillator, chaos
Publication Date
2017-03
Journal
NEW JOURNAL OF PHYSICS, v.19, no.3, pp.033033
Publisher
IOP PUBLISHING LTD
Abstract
Werealize a nanomechanical impact oscillator driven by a radiofrequency signal. The mechanical impact of the oscillator is demonstrated by increasing the amplitude of the external radiofrequency signals. Electron transport in the system is dramatically modified when the oscillator is strongly driven to undergo forced impacts with electrodes.Weexploit this nonlinear kind of electron transport to observe the current response in the chaotic regime. Our model adopting the Sharvin conductance at the moment of impact provides a description of the rectified current via the impact oscillator in the linear regime, revealing a path towards chaos. ©2017 IOP Publishing Ltd and Deutsche Physikalische Gesellschaft
URI
https://pr.ibs.re.kr/handle/8788114/3440
DOI
10.1088/1367-2630/aa652e
ISSN
1367-2630
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > 1. Journal Papers (저널논문)
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