Tunneling in One-Dimensional non-Luttinger Electron Liquid

Details Tunneling in One-Dimensional non-Luttinger Electron Liquid Tunneling in One-Dimensional non-Luttinger Electron Liquid

1993-06-18

arxiv.org/abs/cond-mat/9306041v1

Physics

Condensed Matter

10 pages + 2 postscript figures, preprint TPI-MINN-93/31T

Scientific paper

10.1103/PhysRevLett.71.3351

The conductance of a weakly interacting electron gas in the presense of a single scatterer is found at arbitrary strength of the scattering potential. At weak interaction, a simple renormalization group approach can be used instead of the standard bosonization procedure. Our technique allows to take into account the {\em backscattering\/} of electrons that leads to a non-Luttinger-liquid behavior of the low-temperature conductance. In the presence of magnetic field, the backscattering may give rise to a peak in differential conductance at bias equal to the Zeeman energy.

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