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Calculating the Effects of Longitudinal Resistance in Multi-Series-Connected Quantum Hall Effect Devices

机译:计算多串联量子霍尔效应器件中纵向电阻的影响

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摘要

Many ac quantized Hall resistance experiments have measured significant values of ac longitudinal resistances under temperature and magnetic field conditions in which the dc longitudinal resistance values were negligible. We investigate the effect of non-vanishing ac longitudinal resistances on measurements of the quantized Hall resistances by analyzing equivalent circuits of quantized Hall effect resistors. These circuits are based on ones reported previously for dc quantized Hall resistors, but use additional resistors to represent longitudinal resistances. For simplification, no capacitances or inductances are included in the circuits. The analysis is performed for many combinations of multi-series connections to quantum Hall effect devices. The exact algebraic solutions for the quantized Hall resistances under these conditions of finite ac longitudinal resistances provide corrections to the measured quantized Hall resistances, but these corrections do not account for the frequency dependences of the ac quantized Hall resistances reported in the literature.
机译:许多交流量化的霍尔电阻实验已经测量了在温度和磁场条件下直流纵向电阻值可以忽略不计的交流纵向电阻的显着值。通过分析量化霍尔效应电阻的等效电路,我们研究了交流纵向电阻不消失对量化霍尔电阻的影响。这些电路基于先前报道的直流量化霍尔电阻,但是使用额外的电阻来表示纵向电阻。为了简化,电路中不包括电容或电感。对与量子霍尔效应器件的多串联连接的许多组合进行分析。在这些有限的交流纵向电阻条件下,量化的霍尔电阻的精确代数解提供了对测得的量化霍尔电阻的校正,但这些校正并未考虑文献中报道的交流量化霍尔电阻的频率依赖性。

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