@misc{indiciae9e596ccf679b,
  title = {Quantum magnetic impurities in magnetically ordered systems.},
  author = {A H Castro Neto and E Novais and L Borda and Gergely Zaránd and I Affleck},
  year = {2003},
  doi = {10.1103/physrevlett.91.096401},
  url = {https://pubmed.ncbi.nlm.nih.gov/14525197/},
  note = {Source identifier: 14525197}
}