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Dynamical properties of a vibrating molecular quantum dot in a Josephson junction

机译:约瑟夫森结中振动分子量子点的动力学性质

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摘要

We investigate dynamical transport aspects of a combined nanomechanical-superconducting device in which Cooper pair tunneling interfere with the mechanical motion of a vibrating molecular quantum dot embedded in a Josephson junction. Six different regimes for the tunneling dynamics are identified with respect to the electron level and the charging energy in the quantum dot. In five of those regimes new time scales are introduced which are associated with the energies of the single-electron transitions within the quantum dot while there is one regime where the internal properties of the quantum dot are static.
机译:我们研究了组合的纳米机械超导器件的动力学传输方面,其中库珀对隧穿干扰了嵌入约瑟夫森结的振动分子量子点的机械运动。相对于量子点中的电子能级和充电能,确定了六种不同的隧穿动力学机制。在其中的五个状态中,引入了与量子点内单电子跃迁的能量相关的新时标,而在一个状态中量子点的内部特性是静态的。

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