Spin and charge dynamics of the one-dimensional extended Hubbard model

Details Spin and charge dynamics of the one-dimensional extended Hubbard model Spin and charge dynamics of the one-dimensional extended Hubbard model

2006-06-29

arxiv.org/abs/cond-mat/0606748v1

Physics

Condensed Matter

Strongly Correlated Electrons

9 pages, 11 figures

Scientific paper

10.1103/PhysRevB.75.205128

We investigate the dynamical spin and charge structure factors and the one-particle spectral function of the one-dimensional extended Hubbard model at half band-filling using the dynamical density-matrix renormalization group method. The influence of the model parameters on these frequency- and momentum-resolved dynamical correlation functions is discussed in detail for the Mott-insulating regime. We find quantitative agreement between our numerical results and experiments for the optical conductivity, resonant inelastic X-ray scattering, neutron scattering, and angle-resolved photoemission spectroscopy in the quasi-one-dimensional Mott insulator SrCuO$_2$.

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