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Spin and charge dynamics of the one-dimensional extended Hubbard model | | H. Benthien
; E. Jeckelmann
; | | Date: |
29 Jun 2006 | | Subject: | Strongly Correlated Electrons | | Abstract: | 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$_2$. | | Source: | arXiv, cond-mat/0606748 | | Services: | Forum | Review | PDF | Favorites | |
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