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arXiv 0906.5384cond-mat.mes-hall
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并行量子化电荷泵

Parallel quantized charge pumping

S. J. Wright, M. D. Blumenthal, M. Pepper, D. Anderson, G. A. C. Jones, C. A. Nicoll, D. A. Ritchie

摘要:

两个量化的电荷泵并联工作。所产生的总电流被示出为比仅用一个泵以更高频率操作所产生的电流精确得多。与应用程序的垂直磁场的量化的准确性示出为$< $ 20 ppm的电流为$108.9 $ pA。在这项工作中提出的并行泵浦方案在量子信息处理,单光子对和聚束的产生,神经网络和电流的量子标准的发展中有应用。所有这些应用都将大大受益于输出电流的增加,而不会因高频操作而降低精度。

英文摘要:

Two quantized charge pumps are operated in parallel. The total current generated is shown to be far more accurate than the current produced with just one pump operating at a higher frequency. With the application of a perpendicular magnetic field the accuracy of quantization is shown to be $< $20 ppm for a current of $108.9 $pA. The scheme for parallel pumping presented in this work has applications in quantum information processing, the generation of single photons in pairs and bunches, neural networking and the development of a quantum standard for electrical current. All these applications will benefit greatly from the increase in output current without the characteristic decrease in accuracy as a result of high-frequency operation.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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