Feedback Control of Quantum Correlations in a Cavity Magnomechanical System with Magnon Squeezing.

IF 2 3区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY Entropy Pub Date : 2023-10-18 DOI:10.3390/e25101462
Mohamed Amazioug, Shailendra Singh, Berihu Teklu, Muhammad Asjad
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引用次数: 2

Abstract

We suggest a method to improve quantum correlations in cavity magnomechanics, through the use of a coherent feedback loop and magnon squeezing. The entanglement of three bipartition subsystems: photon-phonon, photon-magnon, and phonon-magnon, is significantly improved by the coherent feedback-control method that has been proposed. In addition, we investigate Einstein-Podolsky-Rosen steering under thermal effects in each of the subsystems. We also evaluate the scheme's performance and sensitivity to magnon squeezing. Furthermore, we study the comparison between entanglement and Gaussian quantum discord in both steady and dynamical states.

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具有磁non压缩的腔磁力学系统中量子关联的反馈控制。
我们提出了一种通过使用相干反馈环和磁振子压缩来提高腔磁力学中量子相关性的方法。提出的相干反馈控制方法显著改善了光子-声子、光子-磁子和声子-磁子三个子系统的纠缠。此外,我们还研究了每个子系统在热效应下的爱因斯坦-波多尔斯基-罗森转向。我们还评估了该方案的性能和对magnon压缩的敏感性。此外,我们还研究了纠缠和高斯量子不和谐在稳态和动力学状态下的比较。
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来源期刊
Entropy
Entropy PHYSICS, MULTIDISCIPLINARY-
CiteScore
4.90
自引率
11.10%
发文量
1580
审稿时长
21.05 days
期刊介绍: Entropy (ISSN 1099-4300), an international and interdisciplinary journal of entropy and information studies, publishes reviews, regular research papers and short notes. Our aim is to encourage scientists to publish as much as possible their theoretical and experimental details. There is no restriction on the length of the papers. If there are computation and the experiment, the details must be provided so that the results can be reproduced.
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