@article{Geva_1996,
title={The quantum heat engine and heat pump: An irreversible thermodynamic analysis of the three-level amplifier},
volume={104},
ISSN={1089-7690},
url={http://dx.doi.org/10.1063/1.471453},
DOI={10.1063/1.471453},
number={19},
journal={The Journal of Chemical Physics},
publisher={AIP Publishing},
author={Geva,
Eitan and Kosloff,
Ronnie},
year={1996},
month=may,
pages={7681–7699} }