在电流驱动的中,对于动态顺序过渡的第二级过渡和关键缩放的证据
S Maegochi1, K Ienaga2, S Okuma3
1Department of Physics, Tokyo Institute of Technology, 2-12-1 Ohokayama, Meguro-ku, Tokyo, 152-8551, Japan. maegochi.shun.1014@gmail.com.
Scientific reports
|January 12, 2024
概括
研究人员使用无形MoGe膜观察了流中的动态顺序过渡. 这种从无序流向有序流的过渡,通过力-速度测量被确定为二次阶段过渡.
科学领域:
- 凝聚物质物理学 凝聚物质物理学
- 材料科学 材料科学 材料科学
- 超导电性 超导电性 超导电性
背景情况:
- 许多粒子系统中的动态顺序过渡,就像超导体中的流一样,尚未完全理解.
- 由于缺乏实验方法,这些过渡不能被归类为真正的相位过渡.
研究的目的:
- 为了研究流在横向力下的动态顺序过渡.
- 要确定这个顺序是否代表了真正的相位过渡.
主要方法:
- 使用了一种十字形无形基 (MoGe) 薄膜.
- 在不同纵向电流下测量横向电流-电压 (力-速度) 特性.
主要成果:
- 在特定的纵向电流下,确定了从非线性到线性横向响应的过渡,标记了动态排序.
- 观察到横向电流-电压曲线的缩放崩到一个通用函数.
结论:
- 这项研究提供了证据,证明了流动的动态排序中的第二阶段过渡.
- 这些发现提供了一种新的实验方法来研究凝聚物质系统中的这种过渡.
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