观察由混乱引起的边界定位的观察
Bing-Bing Wang1,2, Zheyu Cheng3, Hong-Yu Zou1
1Research Center of Fluid Machinery Engineering and Technology, School of Physics and Electronic Engineering, Jiangsu University, Zhenjiang 212013, China.
概括
非赫米蒂安声学晶体的障碍会诱导点隙拓和非赫米蒂安皮肤效应. 这种边界定位方向与障碍强度相反,提供了超越安德森定位的新见解.
科学领域:
- 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.
- 拓物理 拓物理
背景情况:
- 安德森局部化描述了无序系统中的波函数局部化.
- 物理学中的拓学揭示了强大的现象,包括拓绝缘体.
- 非赫米特系统表现出独特的拓特征,如点隙拓和非赫米特皮肤效应.
研究的目的:
- 在非赫米蒂安声学晶体中实验性地证明由障碍诱导的点间拓.
- 为了研究疾病对非赫尔密斯皮肤效应的影响.
- 探索超越传统安德森本地化的新型本地化现象.
主要方法:
- 制造一个非赫米蒂安声学晶体与工程障碍.
- 波传播和特征状态定位的实验性表征.
- 障碍强度和合类型的系统变化 (最近邻居和下一个最近邻居).
主要成果:
- 证明了疾病诱导的点差拓和非赫尔密斯皮肤效应.
- 观察到边界局部化方向的逆转,随着疾病强度的增加.
- 观察到"双极性"皮肤效应,在下一个最接近邻居障碍的两个边界定位.
结论:
- 混乱可以诱导非赫米特系统中独特的拓现象.
- 非赫米蒂斯皮肤效应表现出由障碍控制的可调节边界定位.
- 这些发现揭示了在非赫米特系统中因混乱诱导的局部化的一个新机制.
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