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Electron propagation along a nanowire: a study in chattering

机译:电子沿着纳米线的传播:颤动研究

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Recent fabrication techniques have made it possible to create wires of submicron diameters, as small as a few tens of nanometers, and lengths of hundreds of microns. These nanowires have properties, including electrical conductivities, that differ greatly from the properties of the bulk material. It is necessary to simulate these characteristics of nanowires in an efficient and predictive fashion. While these structures are small on the scale of everyday objects, they still consist of thousands, if not millions, of nuclei and electrons, and hence a full a priori quantum mechanical treatment of these nanowires is not likely to be available in the near future. In this contribution, we present an efficient new approach for the simulation of electron transport along a nanowire. We see that our classical simulations, in which we have propagated one hundred thousand trajectories, result in chaotic scattering, that is chattering, of the electron. [References: 6]
机译:最近的制造技术已经使得可以产生亚微米直径的导线,其直径小至几十纳米,而长度则为数百微米。这些纳米线具有与块状材料的性质大大不同的性质,包括电导率。有必要以有效和可预测的方式模拟纳米线的这些特性。尽管这些结构在日常物体的规模上很小,但它们仍然由成千上万个(即使不是数百万个)核和电子组成,因此,在不久的将来不太可能对这些纳米线进行完整的先验量子力学处理。在这项贡献中,我们提出了一种有效的新方法,用于模拟电子沿着纳米线的传输。我们看到我们的经典模拟(其中已经传播了十万条轨迹)导致了电子的混沌散射(即抖动)。 [参考:6]

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