Some exact results for the zero-bandwidth extended Hubbard model with intersite charge and magnetic interactions

13 May 2015 Kapcia Konrad Jerzy Adam Mickiewicz University in Poznań, Poznań, Poland Kłobus Waldemar Adam Mickiewicz University in Poznań, Poznań, Poland Robaszkiewicz Stanisław Adam Mickiewicz University in Poznań, Poznań, Poland

The extended Hubbard model in the zero-bandwidth limit is studied. The effective Hamiltonian consists of (i) on-site $U$ interaction and intersite (ii) density-density interaction $W$ and (iii) Ising-like magnetic exchange interaction $J$ (between the nearest-neighbors)... (read more)

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  • STRONGLY CORRELATED ELECTRONS
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