One-Particle Spectral Properties of 1D Mott-Hubbard Insulators

8 November 1999

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 83 (19) , 3892-3895
https://doi.org/10.1103/physrevlett.83.3892

Abstract

We use an exact holon and spinon Landau-liquid functional, which describes the holon-spinon interactions at all scattering orders, to study correlation functions of integrable multicomponent many-particle problems showing both linear and nonlinear energy bands. Motivated by recent photoemission experiments, we consider specific cases when the dominant nonlinear band terms are quadratic and apply our results to the evaluation of the half-filling 1D Hubbard model one-particle spectral functions beyond conformal field theory.

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