耗散光子-磁子耦合系统中的非常规磁子封锁

IF 4.4 2区 物理与天体物理 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
Xu Deng , Kai-Kai Zhang , Tao Shui , Xiao-Tao Xie , Wen-Xing Yang
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引用次数: 0

摘要

我们研究了耗散光子-磁子耦合腔中的非常规磁子封锁(UMB),其中光子和磁子之间的相干和耗散耦合可以通过腔中钇铁石榴石球的位置来调整。我们提供了磁子统计特性的近似解析解,这与通过数值求解林德布拉德主方程得到的结果十分吻合。我们的结果表明,在耗散光子-磁子耦合的情况下可以实现 UMB,而在相干光子-磁子耦合的情况下则不能。其次,通过调整外部激光场的振幅,可以实现对 UMB 的动态控制。最后,通过求解包含热磁子和光子占据数的林德布拉德主方程,磁子的统计特性将从非经典过渡到经典。研究表明,上述现象源于不同量子路径之间的干涉。我们的研究可为单磁子水平的量子操纵方案提供理论上的可能性,并为在耗散光子-磁子耦合系统中设计单磁子源开辟了一条新途径。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Unconventional magnon blockade in a dissipative photon–magnon coupling system
We investigate unconventional magnon blockade (UMB) in a dissipative photon–magnon coupling cavity, where the coherent and dissipative coupling between photon and magnon can be adjusted by the position of the yttrium iron garnet sphere in the cavity. An approximate analytical solution for the statistical property of magnon is provided, which is in good agreement with the results obtained by numerically solving the Lindblad master equation. Our results indicate that UMB can be achieved in the case of dissipative photon–magnon coupling, but not in the case of coherent photon–magnon coupling. Secondly, by adjusting the amplitude of the external laser field, dynamic control of UMB can be achieved. Finally, by solving the Lindblad master equation containing the occupation number of thermal magnon and photon, the statistical properties of magnons will transition from nonclassical to classical. It is shown that the above phenomena originate from the interference between different quantum paths. Our research may provide theoretical possibilities for quantum manipulation schemes at the single-magnon level and open up a new avenue for designing single-magnon sources in a dissipative photon–magnon coupling system.
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来源期刊
Results in Physics
Results in Physics MATERIALS SCIENCE, MULTIDISCIPLINARYPHYSIC-PHYSICS, MULTIDISCIPLINARY
CiteScore
8.70
自引率
9.40%
发文量
754
审稿时长
50 days
期刊介绍: Results in Physics is an open access journal offering authors the opportunity to publish in all fundamental and interdisciplinary areas of physics, materials science, and applied physics. Papers of a theoretical, computational, and experimental nature are all welcome. Results in Physics accepts papers that are scientifically sound, technically correct and provide valuable new knowledge to the physics community. Topics such as three-dimensional flow and magnetohydrodynamics are not within the scope of Results in Physics. Results in Physics welcomes three types of papers: 1. Full research papers 2. Microarticles: very short papers, no longer than two pages. They may consist of a single, but well-described piece of information, such as: - Data and/or a plot plus a description - Description of a new method or instrumentation - Negative results - Concept or design study 3. Letters to the Editor: Letters discussing a recent article published in Results in Physics are welcome. These are objective, constructive, or educational critiques of papers published in Results in Physics. Accepted letters will be sent to the author of the original paper for a response. Each letter and response is published together. Letters should be received within 8 weeks of the article''s publication. They should not exceed 750 words of text and 10 references.
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