One dimensional strongly interacting Luttinger liquid of lattice spinless fermions
Igor N. Karnaukhov, Alexander A. Ovchinnikov
Abstract
The spinless fermion model with hard core repulsive potential extended on a few lattice sites is considered.The Luttinger liquid behaviour is studied for the different values of a hard core radius. A critical exponent of the one particle correlation function for arbitrary electron density and coupling constant are obtained.
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