The effect of Fermi surface curvature on low-energy properties of fermions with singular interactions

Details The effect of Fermi surface curvature on low-energy properties of fermions with singular interactions The effect of Fermi surface curvature on low-energy properties of fermions with singular interactions

2006-04-14

arxiv.org/abs/cond-mat/0604376v2

Phys. Rev. Lett. v.97 p.226403 (2006)

Physics

Condensed Matter

Strongly Correlated Electrons

Latex, 4+ pages. Phys. Rev. Lett., to appear

Scientific paper

10.1103/PhysRevLett.97.226403

We discuss the effect of Fermi surface curvature on long-distance/time asymptotic behaviors of two-dimensional fermions interacting via a gapless mode described by an effective gauge field-like propagator. By comparing the predictions based on the idea of multi-dimensional bosonization with those of the strong- coupling Eliashberg approach, we demonstrate that an agreement between the two requires a further extension of the former technique.

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