Efficiency at maximum power for an isothermal chemical engine with particle exchange at varying chemical potential
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- Koning, J., Koga, K. & Indekeu, J.O. Eur. Phys. J. Spec. Top. (2017) 226: 427. doi:10.1140/epjst/e2016-60200-8
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We calculate the efficiency at maximum power (EMP) of an isothermal chemical cycle in which particle uptake occurs at a fixed chemical potential but particle release takes place at varying chemical potential. We obtain the EMP as a function of Δμ/kT, where Δμ is the difference between the highest and lowest reservoir chemical potentials and T is the absolute temperature. In the linear response limit, Δμ ≪ kT, the EMP tends to the expected universal value 1/2.