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Wei Wang¹, Mengying Hu², Xulong Wang¹

¹Department of Physics, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China.

Physical review letters

|December 1, 2023

概括

研究人员通过实验证明了在互惠系统中依赖于几何的皮肤效应,挑战了非互惠的需要. 这种效应发生在对称性不匹配的边界上,揭示了对拓现象的新见解.

科学领域:

拓物理学的物理.
凝聚物质物理学凝聚物质物理学
波浪现象是一种波浪现象.

背景情况:

非赫密特皮肤效应 (NHSE) 在开放边界条件下局部化了边界的散装模式,这种现象通常与非互惠系统相关.
NHSE是一种由光谱卷曲驱动的拓效应,通常在非互惠的网格中观察到.

研究的目的:

实验地实现和研究在一个相互的系统中取决于几何形状的皮肤效应.
探索互惠,对称和边界几何在推动NHSE中的作用.

主要方法:

实验实现一个二维互换格的实验实现.
研究边界条件及其与格子对称性的相互作用.
分析光谱拓及其与反射通道的连接.

主要成果:

在一个相互系统中证明了取决于几何的皮肤效应,其中NHSE取决于边界对称性.
建立了光谱互惠,对称性和皮肤效应的发生之间的联系.
展示了NHSE在特定的几何条件下可以在互惠系统中出现.

结论:

这项研究表明,非赫米蒂安皮肤效应并不仅限于非互惠系统.
互惠,对称和宏观几何在更高维度的NHSE中起着至关重要的作用.
这项工作为利用非赫密斯物理学的波结构开辟了新的途径.

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