@article{hohenadler_littlewood_2007, 
  title={Quantum Monte Carlo results for bipolaron stability in quantum dots}, 
  volume={76}, 
  DOI={10.1103/physrevb.76.155122}, 
  number={15}, 
  publisher={American Physical Society (APS)}, 
  author={Hohenadler and Littlewood}, 
  year={2007}, 
  month={Oct}
  }