Confined coherence in quasi-one-dimensional metals

Details Confined coherence in quasi-one-dimensional metals Confined coherence in quasi-one-dimensional metals

2007-03-21

arxiv.org/abs/cond-mat/0703540v2

Phys. Rev. B 76, 121403(R), 2007

Physics

Condensed Matter

Strongly Correlated Electrons

4 RevTex pages, 5 figures,final version as published by PRB

Scientific paper

10.1103/PhysRevB.76.121403

We present a functional renormalization group calculation of the effect of strong interactions on the shape of the Fermi surface of weakly coupled metallic chains. In the regime where the bare interchain hopping is small, we show that scattering processes involving large momentum transfers perpendicular to the chains can completely destroy the warping of the true Fermi surface, leading to a confined state where the renormalized interchain hopping vanishes and a coherent motion perpendicular to the chains is impossible.

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