Finite Size Analysis of Luttinger Liquids with a source of 2k_f Scattering

Details Finite Size Analysis of Luttinger Liquids with a source of 2k_f Scattering Finite Size Analysis of Luttinger Liquids with a source of 2k_f Scattering

1995-08-03

arxiv.org/abs/cond-mat/9508013v1

Phys. Rev. Lett. 76,4223(1996)

Physics

Condensed Matter

4 pages, LaTex (RevTex), 3 PostScript figures appended

Scientific paper

10.1103/PhysRevLett.76.4223

Numerical analysis of the spectrum of large finite size Luttinger liquids (g<1) in the presence of a single source of 2k_f scattering has been made possible thanks to an effective integration of high degrees of freedom. Presence of irrelevant operators and their manifestation in transport are issues treated independently. We confirm the existence of two irrelevant operators: particle hopping and charge oscillations, with regions of dominance separated by g=1/2. Temperature dependence of conductance is shown to be dominated by hopping alone. Frequency dependence is affected by both irrelevant operators.

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