The European Physical Journal Special Topics

, Volume 226, Issue 3, pp 427–431

Efficiency at maximum power for an isothermal chemical engine with particle exchange at varying chemical potential

  • Jesper Koning
  • Kenichiro Koga
  • Joseph. O. Indekeu
Regular Article

DOI: 10.1140/epjst/e2016-60200-8

Cite this article as:
Koning, J., Koga, K. & Indekeu, J.O. Eur. Phys. J. Spec. Top. (2017) 226: 427. doi:10.1140/epjst/e2016-60200-8
Part of the following topical collections:
  1. Nonlinearity, Nonequilibrium and Complexity: Questions and Perspectives in Statistical Physics


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.

Copyright information

© EDP Sciences and Springer 2017

Authors and Affiliations

  • Jesper Koning
    • 1
  • Kenichiro Koga
    • 2
    • 3
  • Joseph. O. Indekeu
    • 1
  1. 1.Institute for Theoretical Physics, Celestijnenlaan 200D, KU LeuvenLeuvenBelgium
  2. 2.Department of ChemistryFaculty of Science, Okayama UniversityOkayama 700-8530Japan
  3. 3.Research Institute for Interdisciplinary Science, Okayama UniversityOkayama 700-8530Japan

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