@article{Abah_2012,
   title={Single-Ion Heat Engine at Maximum Power},
   volume={109},
   ISSN={1079-7114},
   url={http://dx.doi.org/10.1103/PhysRevLett.109.203006},
   DOI={10.1103/physrevlett.109.203006},
   number={20},
   journal={Physical Review Letters},
   publisher={American Physical Society (APS)},
   author={Abah, O. and Roßnagel, J. and Jacob, G. and Deffner, S. and Schmidt-Kaler, F. and Singer, K. and Lutz, E.},
   year={2012},
   month={Nov}
}