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TT: Fachverband Tiefe Temperaturen

TT 30: Correlated Electrons: Quantum Impurities, Kondo Physics

TT 30.8: Vortrag

Dienstag, 21. März 2017, 15:45–16:00, HSZ 03

A modified Anderson impurity model in a continuum limit of the Hubbard model — •Yahya Öz and Andreas Klümper — Bergische Universität Wuppertal

Starting from the integrable Hubbard model by use of the R-matrix a new model with impurity and modified dispersion relation is obtained. We consider the thermodynamical approach based on the well-known finite set of non-linear integral equations (NLIE) of convolution type for obtaining the integrable modification of the energy-momentum dispersion for the derivation of the thermodynamic equations of this new model. This integrable lattice model can be used for obtaining the Anderson impurity model in the continuum with a modified dispersion relation.