Phys. Rev. Lett. 94, 166803 (2005) [4 pages]Current Fluctuations in an Interacting Quantum DotReceived 30 August 2004; published 28 April 2005 We calculate the counting statistics of electron transfer through an open quantum dot with charging interaction. A dot that is connected to leads by two single-channel quantum point contacts in an in-plane magnetic field is described by a Luttinger liquid with impurity at the Toulouse point. We find that the fluctuations of the current through this conductor exhibit distinctive interaction effects. Fluctuations saturate at high voltages, while the mean current increases linearly with the bias voltage. All cumulants higher than the second one reach at large bias a temperature independent limit. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.94.166803
DOI:
10.1103/PhysRevLett.94.166803
PACS:
73.21.La, 71.10.Pm, 72.70.+m, 73.63.−b
|
|
About | Terms and Conditions | Subscriptions | Search | Help
Use of the American Physical Society websites and journals implies that the user has read and agrees to our Terms and Conditions and any applicable Subscription Agreement. Physical Review®, Physical Review Letters®, Reviews of Modern Physics®, and Physical Review Special Topics® are trademarks of the American Physical Society.