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Dresden 2006 – scientific programme

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TT: Tiefe Temperaturen

TT 21: Transport: Nanoelectronics II - Spintronics and Magnetotransport - Part 2

TT 21.4: Talk

Tuesday, March 28, 2006, 17:00–17:15, HSZ 105

Tunneling current through Tomonaga-Luttinger liquid ring with spin-orbit coupling — •Mikhail Pletyukhov1, Nicolas Pauget1, and Vladimir Gritsev21Institut für Theoretische Festkörperphysik, Universität Karlsruhe, D-76128 Germany — 2Department of Physics, Harvard University, Cambridge, MA 02138, USA

We calculate dc conductance of an interacting quantum ring with spin-orbit coupling which is attached to normal leads. We consider the linear response regime and assume a weak coupling to the leads. Electron-electron interaction in the ring is described non-perturbatively by means of the multicomponent Tomonaga-Luttinger liquid model. We study how the positions of the conductance peaks depend on the system parameters (magnetic flux, gate voltage, spin-orbit coupling strength) and observe the features arising due to electron correlations.

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