Exponential stabilization of stochastic quantum systems based on time-delay noise-assisted feedback

Jie Wen and Fangmin Wang

Chaos, Solitons & Fractals, 2024, vol. 186, issue C

Abstract: The exponential stabilization of stochastic quantum systems (SQS) under time-delay noise-assisted feedback is addressed based on the exponential stability of the stochastic differential delay equation (SDDE) in this paper. We show that if the stochastic differential equation (SDE), which covers the dynamical models of SQS under noise-assisted feedback, is exponentially stable, then the corresponding SDDE is also exponentially stable when the time-varying delay is bounded by a positive number, which is given in an implicit expression and can be computed numerically. On this basis, the results for the general SDDE are applied to the SQS under time-delay noise-assisted feedback, and the corresponding time-delay boundary is obtained. Furthermore, we show the time-delay boundary in numerical simulations.

Keywords: Exponential stabilization; Stochastic systems; Quantum systems; Time-delay control; Noise-assisted feedback (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:186:y:2024:i:c:s096007792400780x

DOI: 10.1016/j.chaos.2024.115228

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