Benjamin Roussel, Pascal Degiovanni
We develop a general perturbative computation of finite-frequency quantum noise which applies, in particular, to both good or weakly transmitting strongly correlated conductors coupled to a generic environment. Under a minimal set of hypotheses, we show that the noise can be expressed through the non-equilibrium DC current only, generalizing a non-equilibrium fluctuation dissipation relation. We use this relation to derive explicit predictions for the non equilibrium finite frequency noise for a single channel conductor connected to an arbitrary Ohmic environment.
@article{d9c8617c-0302-4c2e-a118-c667debc051b,
title={Perturbative fluctuation dissipation rel},
author={Benjamin Roussel and Pascal Degiovanni},
year={2026},
language={en}
}TY - JOUR TI - Perturbative fluctuation dissipation rel AU - Benjamin Roussel AU - Pascal Degiovanni PY - 2026 LA - en ER -
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