论文标题
交流驱动的量子电路和霍尔边缘状态强烈相关：统一的照片辅助噪声和重新审视的最小激发
AC driven strongly correlated quantum circuits and Hall edge states: Unified photo-assisted noise and revisited minimal excitations
论文作者
论文摘要
我们研究由时间依赖性或随机来源以及传输幅度产生的照片辅助噪声。我们表明，它遵守一种扰动的非平衡波动关系，该关系完全扩展了侧向传输图片，从多体相关状态表示。这种关系存在于非平衡性密切相关的系统中，例如整数或分数量子厅制度以及由正常或约瑟夫森连接形成的量子电路，并与可能的温度偏置强烈耦合，并与电磁环境强烈耦合。然后，我们表明照片辅助噪声是普遍的超级波多州人，由L. levitov {\ it等人提供了定理的替代方法，该定理指出，AC电压会增加噪声。仅限于线性直流电流，我们表明后者不适用于非线性超导连接。然后，我们通过确保泊松照片辅助噪声来表征非线性导体中最小的激发，并表明这些噪声可以在分数量子厅策略中具有非平凡的电荷值。我们还提出了用于射击噪声光谱法的方法，并提出了对分数电荷的可靠确定，这比我们先前提出的那些更有利，并在实验中实施了。
We study the photo-assisted noise generated by time-dependent or random sources and transmission amplitudes. We show that it obeys a perturbative non-equilibrium fluctuation relation that fully extends the lateral-band transmission picture in terms of many-body correlated states. This relation holds in non-equilibrium strongly correlated systems such as the integer or fractional quantum Hall regime as well as in quantum circuits formed by a normal or Josephson junctions strongly coupled to an electromagnetic environment, with a possible temperature bias. We then show that the photo-assisted noise is universally super-poissonian, giving an alternative to a theorem by L. Levitov {\it et al} which states that an ac voltage increases the noise. Restricted to a linear dc current, we show that the latter does not apply to a non-linear superconducting junction. Then we characterize minimal excitations in non-linear conductors by ensuring a poissonian photo-assisted noise, and show that these can carry a non-trivial charge value in the fractional quantum Hall regime. We also propose methods for shot noise spectroscopy and for a robust determination of the fractional charge which is more advantageous than those we have proposed previously and implemented experimentally.
