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Non-Fermi-liquid behavior in transport across carbon nanotube quantum dots

DOI to cite this document:
Mayrhofer, Leonhard ; Grifoni, Milena
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Date of publication of this fulltext: 05 Aug 2009 13:33


A low energy theory for nonlinear transport in finite-size single-wall carbon nanotubes, based on a microscopic model for the interacting p_z electrons and successive bosonization, is presented. Due to the multiple degeneracy of the energy spectrum diagonal as well as off-diagonal (coherences) elements of the reduced density matrix contribute to the nonlinear transport. A four-electron ...


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