Anomalous conductance of a spin-1 quantum dot.

  title={Anomalous conductance of a spin-1 quantum dot.},
  author={Anna I. Posazhennikova and Piers Coleman},
  journal={Physical review letters},
  volume={94 3},
We interpret the recent observation of a zero-bias anomaly in spin-1 quantum dots in terms of an underscreened Kondo effect. Although spin-1 quantum dots are expected to undergo a two-stage quenching effect, in practice the log-normal distribution of Kondo temperatures leads to a broad temperature region dominated by underscreened Kondo physics. General arguments, based on the asymptotic decoupling between the partially screened moment and the leads, predict a singular temperature and voltage… 
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