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Form factors in the half-filled Hubbard model
1999
Physical Review B (Condensed Matter)
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We consider dynamical spin-spin correlation functions in the one dimensional repulsive half-filled Hubbard model. We propose an exact expression for the two spinon formfactor of spin operators. We use this to derive the two spinon contribution to the dynamical structure factor.
doi:10.1103/physrevb.59.1734
fatcat:kvhlhgwuofcodialcto2y5so2e