Evidence for the Luttigger liquid density of states in transport across the incompressible stripe at fractional filling factors

Details Evidence for the Luttigger liquid density of states in transport across the incompressible stripe at fractional filling factors Evidence for the Luttigger liquid density of states in transport across the incompressible stripe at fractional filling factors

2006-06-28

arxiv.org/abs/cond-mat/0606741v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, to appear in EPL

Scientific paper

10.1209/0295-5075/77/37002

We experimentally investigate transport across the incompressible stripe at the sample edge in the fractional quantum Hall effect regime at bulk filling factors $\nu=2/3$ and $\nu=2/5$. We obtain the dependence of the equilibration length, that is a phenomenological characteristics of the transport, on the voltage imbalance and the temperature, at high voltage imbalances. These dependencies are found to be of the power-law form, which is a strong evidence for the Luttigger liquid density of states.

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