Electron-pair resonance in the coulomb blockade

Eran Sela*, H. S. Sim, Yuval Oreg, M. E. Raikh, Felix Von Oppen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We study many-body corrections to the cotunneling current via a localized state with energy d at large bias voltages V. We show that the transfer of electron pairs, enabled by the Coulomb repulsion in the localized level, results in ionization resonance peaks in the third derivative of the current with respect to V, centered at eV=±2 d/3. Our results predict the existence of previously unnoticed structure within Coulomb-blockade diamonds.

Original languageEnglish
Article number056809
JournalPhysical Review Letters
Issue number5
StatePublished - 8 Feb 2008
Externally publishedYes


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