@article{CaravelliHammaMarkopoulouetal.2012,
  author    = {Francesco Caravelli and Alioscia Hamma and Fotini Markopoulou and Arnau Riera},
  title     = {Trapped surfaces and emergent curved space in the Bose-Hubbard model},
  journal   = {Physical review : D, Particles, fields, gravitation, and cosmology},
  volume    = {85},
  number    = {4},
  doi       = {10.1103/PhysRevD.85.044046},
  year      = {2012},
}