Abstract
The excitation content of spectral functions of the 1D t–J model with nearest neighbor (n.n.) interactions is obtained from the Bethe-Ansatz solution at the supersymmetric point and compared with quantum Monte Carlo (QMC) simulations based on the hybrid-loop algorithm. We consider the one-particle spectrum as well as the dynamical spin and charge structure factors. The connection to the 1D supersymmetric t–J model with 1/ r 2 interaction will be explained.
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