Author

B. Ahmadi

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Preprint Sep 2026

Physical-Work Fluctuation Relations from Accessible Quantum Macrostates

Jarzynski's equality recovers an equilibrium free-energy difference from nonequilibrium work trajectories, but its exponential average can converge very slowly because rare trajectories carry large weight. We show that coarse thermodynamic information measured at the nonequilibrium endpoint can reduce this sampling bur...

B. Ahmadi · 0 citations

Preprint Sep 2026

Finite-Particle Quantum Reduction of Thermodynamic Irreversibility

Thermodynamics is useful because it lets us predict and control complex systems from a few accessible quantities when microscopic reconstruction is impractical. We ask whether this operational reduction can be less costly in a finite quantum system than in a matched classical one. We compare a few-boson Bose--Hubbard c...

B. Ahmadi · 1 citation

Preprint Sep 2026

Thermodynamic Irreversibility from Inaccessible Endogenous Quantum Histories

Microscopic unitary dynamics preserves all fine information, yet an isolated finite system can show a robust thermodynamic window in which the entropy associated with a restricted record rises. We ask why information hidden from the current record usually fails to rebuild a low-entropy macrostate. For a fixed projectiv...

B. Ahmadi · 3 citations