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Park, Hee Chul
복잡계 이론물리 연구단
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Kick-induced rectified current in a symmetric nanoelectromechanical shuttle

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Title
Kick-induced rectified current in a symmetric nanoelectromechanical shuttle
Author(s)
Qin, Pinquan; Hee Chul Park
Publication Date
2021-08
Journal
PHYSICAL REVIEW B, v.104, no.6
Publisher
American Physical Society
Abstract
© 2021 American Physical Society.We have studied rectified current in a geometrically symmetric nanoelectromechanical shuttle with periodic kicks and sinusoidal ac bias voltages. The rectified current is exactly zero under the geometrical symmetry generated by electrons transferring from source to drain electrodes via the movable shuttle. We investigate nonzero rectified currents through the regular motion of the shuttle in which the time-translational symmetry is broken. The motion of the shuttle, moreover, becomes chaotic with the same mechanism as a kicked rotor and generates a scattered current with increasing kick strength. We point out that the time-translational symmetry breaking of the instantaneous current has an important role in the manipulation of the rectified current.
URI
https://pr.ibs.re.kr/handle/8788114/10230
DOI
10.1103/PhysRevB.104.064303
ISSN
2469-9950
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > 1. Journal Papers (저널논문)
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