混合磁子-光子双层体系中磁性与超导性的相互作用

IF 3.8 2区物理与天体物理 Q2 PHYSICS, APPLIED Physical Review Applied Pub Date : 2024-09-03 DOI:10.1103/physrevapplied.22.034004

Alberto Ghirri, Claudio Bonizzoni, Maksut Maksutoglu, Marco Affronte

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引用次数: 0

摘要

磁性薄膜中的自旋波会受到附近超导体的影响。在这里，我们重点研究了由绝缘钇铁石榴石（YIG）薄膜和高锝YBa2Cu3O7（YBCO）超导平面谐振器组成的双层叠层，并报告了微波透射光谱，以监测磁子-光子极化子的温度演变。我们的研究表明，观察到的法向模式分裂和相对于未受扰动磁子模式的频率偏移的温度依赖性最终与 YBCO 的穿透深度有关，这是自旋波和迈斯纳电流之间相互作用的结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Interplay between magnetism and superconductivity in a hybrid magnon-photon bilayer system

Spin waves in magnetic films are affected by the vicinity to a superconductor. Here we focus on a bilayer stack made of an insulating yttrium iron garnet (YIG) film and a high-

T_{c} YB a_{2} C u_{3} O_{7}

(YBCO) superconducting planar resonator and report microwave transmission spectra to monitor the temperature evolution of magnon-photon polaritons. We show that the observed temperature dependence of normal-mode splitting and frequency shift with respect to the unperturbed magnon mode can be ultimately related to the penetration depth of YBCO, as an effect of the interplay between spin waves and Meissner currents.

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来源期刊

Physical Review Applied PHYSICS, APPLIED-

CiteScore

7.80

自引率

8.70%

发文量

760

审稿时长

2.5 months

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