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Evidence of Luttinger liquid behavior in GaAs/AlGaAs quantum wires

Rother, Martin ; Deutschmann, R. A. ; Wegscheider, Werner ; Bichler, Max ; Abstreiter, Gerhard
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Date of publication of this fulltext: 30 Nov 2009 13:18


Abstract

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. ...

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