Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
1997-08-22
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
15 pages, three Figures. v2: Definite version, Citations added, presentation improved. To appear in Phys. Rev. B, Rapid Com
Scientific paper
10.1103/PhysRevB.56.R12691
We study a homogeneous Tomonaga-Luttinger liquid with backscattering potential. A perturbative computation of the conductance at and near resonance is given. We find that the backscattering of one electron dominates that of two electrons for an interaction parameter $K\geq 1/3$ and that the resonance point depends on temperature. Our results may be relevant for recent experiments on shot-noise in FQHE, where the charge 1/3 and not $2*1/3$ is measured on resonance.
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