Effects of short-range interactions on transport through quantum point contacts: A numerical approach

URN to cite this document:: urn:nbn:de:bvb:355-epub-17811
DOI to cite this document:: 10.5283/epub.1781

Lassl, Andreas ; Schlagheck, Peter ; Richter, Klaus

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Date of publication of this fulltext: 05 Aug 2009 13:32

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Abstract

We study electronic transport through a quantum point contact, where the interaction between the electrons is approximated by a contact potential. Our numerical approach is based on the non-equilibrium Green function technique which is evaluated at Hartree-Fock level. We show that this approach allows us to reproduce relevant features of the so-called "0.7 anomaly" observed in the conductance at ...