@article{Vidal2004,
  author  = {G. Vidal},
  title   = {Efficient Simulation of One-Dimensional Quantum Many-Body Systems},
  journal = {Phys. Rev. Lett.},
  volume  = {93},
  pages   = {040502},
  year    = {2004},
  doi     = {10.1103/PhysRevLett.93.040502},
  eprint  = {quant-ph/0310089},
}