Experiments on the Fermi to Tomonaga-Luttinger liquid transition in quasi-1D systems

Details Experiments on the Fermi to Tomonaga-Luttinger liquid transition in quasi-1D systems Experiments on the Fermi to Tomonaga-Luttinger liquid transition in quasi-1D systems

2003-06-10

arxiv.org/abs/cond-mat/0306230v1

J. Phys. Soc. Jpn. Vol. 72, p. 92-95 (2003)

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages, localisation 2002, conference proceedings

Scientific paper

We present experimental results on the tunneling into the edge of a two dimensional electron gas (2DEG) obtained with GaAs/AlGaAs cleaved edge overgrown structures. The electronic properties of the edge of these systems can be described by a one-dimensional chiral Tomonaga-Luttinger liquid when the filling factor of the 2DEG is very small. Here we focus on the region where the Tomonaga-Luttinger liquid breaks down to form a standard Fermi liquid close to $\nu=1$ and show that we recover a universal curve, which describes all existing data.

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