Temperature and magnetic-field dependence of the quantum corrections to the conductance of a network of quantum dots

Joern N. Kupferschmidt; Piet W. Brouwer

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Temperature and magnetic-field dependence of the quantum corrections to the conductance of a network of quantum dots

机译：量子校正的温度和磁场依赖性与量子点网络的电导率

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We calculate the magnetic-field and temperature dependence of all quantum corrections to the ensemble-averaged conductance of a network of quantum dots. We consider the limit that the dimensionless conductance of the network is large, so that the quantum corrections are small in comparison to the leading, classical contribution to the conductance. For a quantum dot network the conductance and its quantum corrections can be expressed solely in terms of the conductances and form factors of the contacts and the capacitances of the quantum dots. In particular, we calculate the temperature dependence of the weak localization correction and show that it is described by an effective dephasing rate proportional to temperature.

机译：我们计算所有量子校正对量子点网络的集合平均电导的磁场和温度依赖性。我们认为网络的无量纲电导较大，因此与对电导的领先经典贡献相比，量子校正量较小的限制。对于量子点网络，电导及其量子校正可以仅根据触点的电导和形状因数以及量子点的电容来表示。特别是，我们计算了弱定位校正的温度依赖性，并表明它是由与温度成比例的有效移相速率来描述的。

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《Physical review》 |2008年第12期|433-453|共21页
作者
Joern N. Kupferschmidt; Piet W. Brouwer;
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electronic transport in mesoscopic systems; quantum chaos; semiclassical methods; weak or anderson localization;

机译：介观系统中的电子传输;量子混乱半经典方法;弱或安德森本地化;

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Temperature and magnetic-field dependence of the quantum corrections to the conductance of a network of quantum dots

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