论文标题
电流诱导的单共声系统中的力
Current-induced forces in single-resonance systems
论文作者
论文摘要
近年来,人们对纳米机电设备,电流量子机以及电流对纳米级导体的机械影响的兴趣越来越大。在这里,我们对电流诱导的力和系统的电子摩擦进行了彻底的研究,其电子有效的哈密顿量可以通过原型模型来描述,该模型是单个能级与两个储层相连的。我们的结果可以帮助更好地理解一般条件,从而最大程度地提高了模型为量子点耦合到两个电子储层的量子点的性能。此外,它们对于合理化电流诱导的力在一维导体机械变形中的作用是有用的。
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.