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The general 2-dimensional fermion system with repulsive interactions(typified by the Hubbard Model) is bosonized, taking into account the finiteon-shell forward scattering phase shift derived in earlier papers. By takingthis phase shift into account in the bosonic commutation relations a consistentpicture emerges showing the charge-spin separation and anomalous exponents ofthe Luttinger liquid.Comment: Latex file 14 pages. email: pwa@puhep1.princeton.ed

physical review. b, condensed matter

Charge-spin separation in 2D Fermi systems: Singular interactions as modified commutators, and solution of the 2D Hubbard model in the bosonized approximation