Optimal feedback laws and measurement schedules are derived for a mesoscopic information engine with costly binary sensors, recovering the Schmiedl-Seifert protocol in the open-loop limit and revealing deadline-induced blindness plus periodic steady-state schedules.
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A second-order perturbative framework decomposes coherence terms in the quantum first law into coherent heat and work, linking them to Fermi's golden rule transition rates.
Asymmetric well widths and barrier in a bistable potential allow finite-time bit erasure with heat below kT ln 2, bounded below by the effective free-energy change of the process.
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Optimal Control of a Mesoscopic Information Engine
Optimal feedback laws and measurement schedules are derived for a mesoscopic information engine with costly binary sensors, recovering the Schmiedl-Seifert protocol in the open-loop limit and revealing deadline-induced blindness plus periodic steady-state schedules.
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Perturbative approach to the first law of quantum thermodynamics
A second-order perturbative framework decomposes coherence terms in the quantum first law into coherent heat and work, linking them to Fermi's golden rule transition rates.
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Improving the efficiency of finite-time memory erasure with potential barrier shaping
Asymmetric well widths and barrier in a bistable potential allow finite-time bit erasure with heat below kT ln 2, bounded below by the effective free-energy change of the process.