Author

Nahuel Freitas

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Preprint Sep 2026

Thermodynamic efficiency of communication channels

We identify a broad class of communication channels that captures common physical constraints in both artificial and natural systems and derive bounds on their thermodynamic cost. We find that the entropy production per channel use is bounded from below by the input-output mutual information, and their ratio -mutual in...

Nahuel Freitas, Pedro E. Harunari, Massimiliano Esposito · 0 citations

Preprint Aug 2026

Emergent Second Law for Time-Dependent Nonequilibrium States

For nonautonomous open systems described by macroscopic stochastic thermodynamics, we derive an emergent second law that constrains time-dependent macroscopic fluctuations by the entropy production along the most probable evolution under the time-reversed driving protocol. We show that this bound can be understood as a...

Nahuel Freitas, Timur F. Aslyamov, Massimiliano Esposito · 0 citations