Laser控制的分子开关和晶体管
Laser controlled molecular switches and transistors
摘要：
我们研究了通过弱耦合的单分子来控制光电流的可能性。一个主方程的方法通过一个分子的运输相结合的Floquet理论的时间依赖性的分子。这产生了一个有效的数值方法来评估的电流通过时间依赖性的纳米结构中存在的一个有限的外部电压。我们提出了在适当调节激光场驱动的二端和三端分子电子器件中的可调谐光电流开关，即一类新型的分子晶体管。
英文摘要：
We investigate the possibility of optical current control through single molecules which are weakly coupled to leads. A master equation approach for the transport through a molecule is combined with a Floquet theory for the time-dependent molecule. This yields an efficient numerical approach to the evaluation of the current through time-dependent nano-structures in the presence of a finite external voltage. We propose tunable optical current switching in two- and three-terminal molecular electronic devices driven by properly adjusted laser fields, i.e. a novel class of molecular transistors.
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