由于拓材料中倾斜的迪拉克圆导致平面磁传输的波动
Arya Thenapparambil1,2,3, Graciely Elias Dos Santos1,3, Chang-An Li4
1Faculty for Physics and Astronomy (EP3), Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany.
Nano letters
|July 27, 2023
概括
HgTe磁传输的波动源于倾斜的迪拉克圆和充电池. 一个网络模型解释了这些现象在拓绝缘体和韦尔半金属阶段.
科学领域:
- 凝聚物质物理学 凝聚物质物理学
- 材料科学是一种材料科学.
- 量子运输是一种量子运输.
背景情况:
- 在拓 HgTe 结构中的平面磁传输表现出无处不在的波动.
- 这些波动发生在拉力 (拓绝缘体) 和压力应变 (韦尔半金属) 的HgTe层中.
研究的目的:
- 为了确定磁传输波动在应力HgTe的常见的潜在原因.
- 开发一个理论模型来解释观察到的运输现象.
主要方法:
- 在拓 HgTe.Te 中分析磁传输数据.
- 理论建模包括倾斜的迪拉克圆和充电池.
- 开发一个用于模拟电荷传输的网络模型.
主要成果:
- 由Zeeman和二次分散效应产生的倾斜的迪拉克圆,结合充电池,被确定为波动的主要原因.
- 开发的网络模型成功地复制了实验数据的关键特征.
- 这些发现为HgTe.Te的不同拓阶段的运输异常提供了统一的解释.
结论:
- 倾斜的迪拉克圆和充电池的相互作用控制了HgTe中的平面磁传输.
- 网络模型为解读拓和狭材料中的运输提供了有价值的工具.
- 这项研究促进了对低维电子系统中的量子传输的理解.
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