2026-10-22 · arXiv Quantum Physics
arXiv:2604.05244v2 Announce Type: replace-cross
Abstract: A monochromatic voltage drive redistributes noninteracting fermions over sidebands with Bessel amplitudes. A sharp Fermi step gives the discrete Bessel source kernel, whose large amplitude edge has the Airy limit known from random matrices and propagating fronts. At zero temperature and for energy independent transmission, the deficit of the dc bias derivative of low frequency partition noise from its large bias slope is proportional to the kernel diagonal, with ac amplitude fixed. Shifting the integer threshold coordinate down by half a sideband removes the leading finite amplitude correction. For reservoirs at a common temperature, we derive the rescaled deficit's crossover through one thermal convolution per reservoir. Its leading low temperature correction is twice that of the rescaled source occupation. We specify the geometry and mode resolution needed to distinguish this signature from the full Airy point process.
原文链接：https://arxiv.org/abs/2604.05244
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