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| PDF - Eingereichte Version arXiv PDF (17.11.2006) (428kB) |
- URN zum Zitieren dieses Dokuments:
- urn:nbn:de:bvb:355-epub-17811
- DOI zum Zitieren dieses Dokuments:
- 10.5283/epub.1781
Zusammenfassung
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 nonequilibrium Green-function technique which is evaluated at the 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 ...
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