@article{werner2006,
  author = {Werner, P. and Comanac, A. and de' Medici, L. and Troyer, M. and Millis, A. J.},
  title = {{Continuous-Time Solver for Quantum Impurity Models}},
  journal = {Physical Review Letters},
  volume = {97},
  number = {7},
  pages = {076405},
  year = {2006},
  doi = {10.1103/PhysRevLett.97.076405}
}