Positive operator valued measure formulation of time-resolved counting statistics

@inproceedings{Bednorz2008PositiveOV,
  title={Positive operator valued measure formulation of time-resolved counting statistics},
  author={Adam Bednorz and W Belzig},
  year={2008}
}
We propose a derivation of the full counting statistics of electronic current based on a positive operator valued measure. Our approach justifies the Levitov-Lesovik formula in the long time limit, but can be generalized to the detection of finite-frequency noise correlations. The combined action of the projection postulate and the quantum formula for current noise at high frequencies imply an additional white noise. Estimates for this additional noise are in accordance with known experiments… CONTINUE READING

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