Interaction Effects on the Conductance in One-Dimensional Systems -- Short-Range Interaction --

Details Interaction Effects on the Conductance in One-Dimensional Systems -- Short-Range Interaction -- Interaction Effects on the Conductance in One-Dimensional Systems -- Short-Range Interaction --

1997-01-23

arxiv.org/abs/cond-mat/9701171v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

8 pages, 1 figure (EPSF), submitted to J. Phys. Soc. Jpn. (Letter)

Scientific paper

We investigate the effect of electron-electron interactions on the conductance of quasi one-dimensional systems without potential scattering. For a finite temperature or system length, the short-range interaction is not renormalized to 0, and it gives rise to a finite correction to the conductance if we calculate it using Kubo formula. We show that this correction can be absorbed into the renormalization of the chemical potential and that the properly defined conductance to be observed in the experiments is equal to that of non-interacting electrons.

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