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

J Wen, F Wang - Chaos, Solitons & Fractals, 2024 - Elsevier
The exponential stabilization of stochastic quantum systems (SQS) under time-delay noise-
assisted feedback is addressed based on the exponential stability of the stochastic …

[HTML][HTML] Exponential stabilization of two-level quantum systems based on continuous noise-assisted feedback

J Wen, Y Shi, J Jia, J Zeng - Results in Physics, 2021 - Elsevier
The exponential stabilization of the eigenstates for two-level quantum systems based on
continuous noise-assisted feedback control is investigated in this paper. Due to the …

Approximate bang-bang control assisted rapid switching feedback stabilization for stochastic qubit systems

G Li, Y Liu, S Kuang, C Xiang - Journal of the Franklin Institute, 2022 - Elsevier
For stochastic qubit systems under measurement feedback, an approximate bang-bang
control assisted rapid switching control scheme with fewer switching times between the two …

Global exponential stabilization of quantum spin-12 systems via improved feedback control

J Wen, Y Shi, X Pang, J Jia, J Zeng - Journal of the Franklin Institute, 2023 - Elsevier
In this paper, we propose two state feedback strategies to exponentially stabilize eigenstates
for quantum spin-1 2 systems based on the state feedback designed in Liang et al.(2018)[1] …

[HTML][HTML] Exponential stabilization of stochastic quantum systems via combined feedback

J Wen, Y Shi, J Jia, J Zeng - Results in Physics, 2021 - Elsevier
We propose a novel control strategy by combining state feedback with noise-assisted
feedback to exponentially stabilize the target eigenstate for two-level stochastic quantum …

Quantum fisher information protection of N-qubit Greenberger-Horne-Zeilinger state from decoherence

S Harraz, S Cong, J Zhang, JJ Nieto - arXiv preprint arXiv:2112.11590, 2021 - arxiv.org
In this paper we study the protection of N-qubit Greenberger-Horne-Zeilinger (GHZ) state
and generalized N-qubit GHZ states in amplitude damping channel by means of quantum …

Rapid stabilization of stochastic quantum systems in a unified framework

J Wen, F Wang, Y Shi, J Jia, J Zeng - Chinese Physics B, 2023 - iopscience.iop.org
Rapid stabilization of general stochastic quantum systems is investigated based on the rapid
stability of stochastic differential equations. We introduce a Lyapunov–LaSalle-like theorem …

Rapid Preparation of Bell States Based on an Exponential Quantum Projection Filter

S Zhou, G Li, D Dong, S Kuang - 2022 41st Chinese Control …, 2022 - ieeexplore.ieee.org
The exponential quantum projection filtering algorithm is applied in measurement-based
quantum feedback control and a specific switching control law is designed to realize the …

2 systems via improved feedback control

J Wen, Y Shi, X Pang, J Jia, J Zeng - Authorea Preprints, 2023 - techrxiv.org
In this paper, we propose two state feedback strategies to exponentially stabilize eigenstates
for quantum spin-1/2 systems, respectively. In order to obtain faster state convergence, we …

2 systems based on switching state feedback

J Wen, Y Shi, J Jia, J Zeng - Authorea Preprints, 2023 - techrxiv.org
The exponential stabilization of eigenstates by using switching state feedback strategy for
quantum spin-$\frac {1}{2} $ systems is considered in this paper. In order to obtain faster …