Phys. Rev. B 76, 121403(R) (2007) [4 pages]Confined coherence in quasi-one-dimensional metals
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. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.76.121403
DOI:
10.1103/PhysRevB.76.121403
PACS:
71.10.Pm, 71.27.+a
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