在SSH顶电电路中可调节的高阶非赫密特皮肤效应
Lebin Wang1, Wei Lin1, Banxian Ruan1
1School of Physics & Electronics, Hunan University, Changsha 410082, People's Republic of China.
概括
研究人员在实验中在Su-Schrieffer-Heeger顶电电路中实现了可调节的高阶非赫米特皮肤效应 (NHSE). 这种一维和二维可调节的NHSE可以引导波,提供潜在的应用.
科学领域:
- 凝聚物质物理学 凝聚物质物理学
- 拓学材料 拓学材料
- 电路 量子电动力学 量子电动力学
背景情况:
- 非赫密斯系统表现出在赫密斯系统中缺少的独特现象.
- 非赫尔密斯皮肤效应 (NHSE) 是一个关键现象,其中散装状态定位在边界.
研究的目的:
- 通过实验实现和研究可调高阶NHSE.
- 在Su-Schrieffer-Heeger (SSH) 顶极电路中探索NHSE.
主要方法:
- 使用专门设计的一维和二维SSH紧密结合电路网络.
- 员工控制操作放大器和可调的电子元件.
- 通过理论分析和实验验证的证实结果.
主要成果:
- 实现了可调高阶NHSE的实验实现.
- 确定了两个不同的NHSE模式:对角分布的拓-皮肤模式和孤立的皮肤-皮肤角度模式.
- 证明了NHSE模式在不同维度上的可调性.
结论:
- 可调节的高阶NHSE在SSH顶电电路中成功演示.
- 观察到的NHSE模式可以控制波局部.
- 潜在的应用包括向特定地区指导波.
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