论文标题
无序材料中的电子传导：波形还是粒子样？
Electronic Conduction in Disordered Materials: Wave-like or Particle-like?
论文作者
论文摘要
当材料处于扩散状态时，即，当散射长度小于样本量时，电荷传输将由散射子和库存群介导。我们认为，这些电荷载体并不总是在整个样品中分布在整个样品中。当散射长度小于样本量时，散射子和库珀子遵循样品内部的轨迹，这些轨迹由散射长度确定的有效宽度。净效应是类似粒子的运动。我们讨论了三个实验，其结果证实了在类似粒子样轨迹后的库里龙的存在。一个实验，具有垂直于拓扑绝缘体表面的磁场，可以解决并测量库珀环路的区域。其他两个实验，磁场平行于电线在电线表面发生的电线，测量了库里龙轨迹周围围绕电线的次数。
When materials are in the diffusive regime, i.e. when the scattering length is less than the sample size, charge transport is mediated by diffusons and cooperons. We argue that these charge carriers are not always spread out throughout the sample, like waves. When the scattering length is smaller than the sample size, diffusons and cooperons follow trajectories inside the sample which have an effective width determined by the scattering length. The net effect is particle-like motion. We discuss three experiments whose results confirm the existence of cooperons following particle-like trajectories. One experiment, with magnetic field perpendicular to a topological insulator surface, resolved and measured the areas of Cooperon loops. The other two experiments, with magnetic field parallel to wires where conduction occurred on the wire surface, measured the number of times that a Cooperon trajectory wound around the wire.
