@misc{indiciaeb543880c6090,
  title = {Directed anomalous diffusion without a biased field: a ratchet accelerator.},
  author = {Jiangbin Gong and Paul Brumer},
  year = {2004},
  doi = {10.1103/physreve.70.016202},
  url = {https://pubmed.ncbi.nlm.nih.gov/15324147/},
  note = {Source identifier: 15324147}
}