arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2011.05477cond-mat.mes-hall
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单共振系统中的电流感应力

Current-induced forces in single-resonance systems

Sebastián E. Deghi, Lucas J. Fernández-Alcázar, Horacio M. Pastawski, Raúl A. Bustos-Marún

摘要:

近年来,人们对纳米机电器件、电流驱动的量子机器以及电流对纳米导体的机械效应的兴趣越来越大。在这里,我们进行了深入的研究系统的电流诱导力和电子摩擦的电子有效哈密顿量可以描述的一个原型模型,一个单一的能级耦合到两个水库。我们的研究结果可以帮助更好地理解的一般条件,最大限度地提高性能的不同设备建模为一个量子点耦合到两个电子水库。此外,他们可以是有用的合理化的作用,电流感应力的机械变形的一维导体。

英文摘要:

In recent years, there has been an increasing interest in nanoelectromechanical devices, current-driven quantum machines, and the mechanical effects of electric currents on nanoscale conductors. Here, we carry out a thorough study of the current-induced forces and the electronic friction of systems whose electronic effective Hamiltonian can be described by an archetypal model, a single energy level coupled to two reservoirs. Our results can help better understand the general conditions that maximize the performance of different devices modeled as a quantum dot coupled to two electronic reservoirs. Additionally, they can be useful to rationalize the role of current-induced forces in the mechanical deformation of one-dimensional conductors.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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