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arXiv 0803.2776cond-mat.supr-concond-mat.stat-mech
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驱动约瑟夫森结中的负电导

Negative conductance in driven Josephson junctions

Marcin Kostur, Lukasz Machura, Jerzy Luczka, Peter Talkner, Peter Hanggi

摘要:

我们调查的最佳制度的负值电导,出现在一个电容和电容并联约瑟夫森结,这是同时驱动的,一个时间周期(AC)和一个恒定的(DC)电流。我们分析了绝对负电导区的电流-电压特性。我们还探讨了相对于交流电流频率的负响应的稳定性。

英文摘要:

We investigate an optimal regime of negative-valued conductance, emerging in a resistively and capacitively shunted Josephson junction, which is driven simultaneously by both, a time-periodic (ac) and a constant (dc) current. We analyze the current-voltage characteristics in the regime of absolute negative conductance. We additionally explore the stability of the negative response with respect to the ac-current frequency.

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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