@misc{indiciae3438b333eeca,
  title = {Electron-electron interaction and the persistent current in a quantum ring.},
  author = {T Chakraborty and P Pietiläinen},
  year = {1994},
  doi = {10.1103/physrevb.50.8460},
  url = {https://pubmed.ncbi.nlm.nih.gov/9974864/},
  note = {Source identifier: 9974864}
}