@article{36,
  author = {Elijah Kolmes and Vasily Geyko and Nathaniel Fisch},
  title = {Density waves in a system of non-interacting particles},
  year = {2016},
  journal = {Physics Letters A},
  volume = {380},
  pages = {3061},
  doi = {10.1016/j.physleta.2016.07.015},
}