Resonant pair tunneling in double quantum dots

Eran Sela, Ian Affleck

Research output: Contribution to journalArticlepeer-review


We present exact results on the nonequilibrium current fluctuations for 2 quantum dots in series throughout a crossover from non-Fermi liquid to Fermi liquid behavior described by the 2 impurity Kondo model. The result corresponds to resonant tunneling of carriers of charge 2e for a critical interimpurity coupling. At low energy scales, the result can be understood from a Fermi liquid approach that we develop and use to also study nonequilibrium transport in an alternative double dot realization of the 2 impurity Kondo model under current experimental study.

Original languageEnglish
Article number087204
JournalPhysical Review Letters
Issue number8
StatePublished - 19 Aug 2009
Externally publishedYes


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