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Condensed Matter > Mesoscale and Nanoscale Physics
Title: Stability of long-sustained oscillations induced by electron tunneling
(Submitted on 8 Nov 2022 (v1), last revised 26 Mar 2024 (this version, v2))
Abstract: Self-oscillations are the result of an efficient mechanism generating periodic motion from a constant power source. In quantum devices, these oscillations may arise due to the interaction between single electron dynamics and mechanical motion. We show that, due to the complexity of this mechanism, these self-oscillations may irrupt, vanish, or exhibit a bistable behaviour causing hysteresis cycles. We observe these hysteresis cycles and characterize the stability of different regimes in both single and double quantum dot configurations. In particular cases, we find these oscillations stable for over 20 seconds, many orders of magnitude above electronic and mechanical characteristic timescales, revealing the robustness of the mechanism at play.
Submission history
From: Juliette Monsel [view email][v1] Tue, 8 Nov 2022 08:11:01 GMT (4920kb,D)
[v2] Tue, 26 Mar 2024 12:56:59 GMT (6356kb,D)
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