BibTex format
@article{Haddadfarshi:2015:10.1103/PhysRevLett.114.130402,
author = {Haddadfarshi, F and Cui, J and Mintert, F},
doi = {10.1103/PhysRevLett.114.130402},
journal = {PHYSICAL REVIEW LETTERS},
title = {Completely Positive Approximate Solutions of Driven Open Quantum Systems},
url = {http://dx.doi.org/10.1103/PhysRevLett.114.130402},
volume = {114},
year = {2015}
}