Scattering mechanisms and spectral properties of the one-dimensional Hubbard model

Details Scattering mechanisms and spectral properties of the one-dimensional Hubbard model Scattering mechanisms and spectral properties of the one-dimensional Hubbard model

2005-04-11

arxiv.org/abs/cond-mat/0504271v2

Physics

Condensed Matter

Strongly Correlated Electrons

8 pages, no figures

Scientific paper

It is found that the finite-energy spectral properties of the one-dimensional Hubbard model are controlled by the scattering of charged $\eta$-spin-zero $2\nu$-holon composite objects, spin-zero $2\nu$-spinon composite objects, and charged $\eta$-spin-less and spin-less objects, rather than by the scattering of independent $\eta$-spin 1/2 holons and spin 1/2 spinons. Here $\nu =1,2,...$. The corresponding $S$ matrix is calculated and its relation to the spectral properties is clarified.

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