Evidence of Luttinger liquid behavior in GaAs/AlGaAs quantum wires

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.11033

Rother, Martin ; Deutschmann, R. A. ; Wegscheider, Werner ; Bichler, Max ; Abstreiter, Gerhard

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Veröffentlichungsdatum dieses Volltextes: 30 Nov 2009 13:18

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Zusammenfassung

We present low-temperature measurements of the ballistic transport in high-quality quantum wires. As the Fermi energy is varied, the conductance of these wires exhibits quantized plateaus at values lower than integer multiples of 2e2/h. We observe Luttinger liquid power laws in the temperature dependence of the plateau conductances as well as in the non-linear current–voltage characteristics. ...