O. Parlavecchio, C. Altimiras
We derive fluctuation-dissipation relations for a tunnel junction driven by a high impedance microwave resonator, displaying strong quantum fluctuations. Our objective is to analyze the applicability of classical fluctuation-dissipation relations in the context of quantum systems. The methodology includes integrating the effects of quantum fluctuations into a modified non-linear I(V) curve and demonstrating the reconstruction of quantities measured under a coherent time-dependent bias using a photo-assisted tunneling relation. Our results confirm that classical fluctuation-dissipation relations hold when quantum effects are accounted for in the measurements. We implement the circuit to measure the direct current through the junction, high-frequency admittance, and current noise at the resonator's frequency. These findings provide an efficient approach for modeling dissipation in macroscopic quantum systems while enhancing the understanding of charge transfer dynamics in the presence of significant quantum fluctuations.
@article{2d7551b7-de9d-4623-917a-670e8840f7a7,
title={Fluctuation dissipation relations of a t},
author={O. Parlavecchio and C. Altimiras},
year={2026},
language={en}
}TY - JOUR TI - Fluctuation dissipation relations of a t AU - O. Parlavecchio AU - C. Altimiras PY - 2026 LA - en ER -
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