Spin and Interaction Effects on Charge Distribution and Currents in One-dimensional Conductors and Rings within the Hartree-Fock Approximation

DOI to cite this document:: 10.5283/epub.1443

Cohen, Avraham ; Richter, Klaus ; Berkovitz, Richard

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Date of publication of this fulltext: 05 Aug 2009 13:29

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Abstract

Using the self-consistent Hartree-Fock approximation for electrons with spin at zero temperature, we study the effect of the electronic interactions on the charge distribution in a one- dimensional continuous ring containing a single {\it delta} scatterer. We reestablish that the interaction suppresses the decay of the Friedel oscillations. Based on this result, we show that in an infinite ...