Electronic transport through a contact of a correlated quantum wire with leads of higher dimension

S. N. Artemenko, P. P. Aseev, D. S. Shapiro

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We study theoretically electronic transport through a contact of a quantum wire with 2D or 3D leads and find that if the contact is not smooth and adiabatic then the conduction is strongly suppressed below a threshold voltage VT, while above VT the dc current Ī is accompanied by coherent oscillations of frequency f = Ī/e. The effect is related to interelectronic repulsion and interaction of dc current with the Friedel oscillations near a sharp contact. In short conducting channels of length L < L0 ≅ ℏVF/eVT and at high temperatures T > T0 ≅ eVT/kB the effect is destroyed by fluctuations.

Original languageEnglish
Pages (from-to)589-593
Number of pages5
JournalJETP Letters
Volume91
Issue number11
DOIs
Publication statusPublished - 11 Aug 2010

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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