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首页> 外文期刊>Physical review >Stationary drag photocurrent caused by strong effective running wave in quantum wires: Quantization of current
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Stationary drag photocurrent caused by strong effective running wave in quantum wires: Quantization of current

机译：量子线中强有效运行波引起的平稳阻力光电流：电流的量化

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摘要

The stationary current induced by a strong running potential wave in one-dimensional system is studied. Such a wave can result from illumination of a straight quantum wire with special grating or spiral quantum wire by circular-polarized light. The wave drags electrons in the direction correlated with the direction of the system symmetry and polarization of light. In a pure system the wave induces minibands in the accompanied system of reference. We study the effect in the presence of impurity scattering. The current is an interplay between the wave drag and impurity braking. It was found that the drag current is quantized when the Fermi level gets into energy gaps.
机译：研究了一维系统中由强大的运行势波引起的平稳电流。这种波可以由圆偏振光用特殊的光栅或螺旋量子线照射直量子线引起。波将电子拖向与系统对称性和光偏振方向相关的方向。在纯系统中，波会在伴随的参考系统中感应出微带。我们研究了存在杂质散射的影响。电流是波阻和杂质制动之间的相互作用。发现当费米能级进入能隙时，阻力电流被量化。

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