most citedOne-band Hubbard model with hopping asymmetry and the effective theory at finite U: Phase diagram and metal-insulator transition

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cond-mat.str-el2005★ 1 cited

One-band Hubbard model with hopping asymmetry and the effective theory at finite U: Phase diagram and metal-insulator transition

Yuchuan Wen, Yue Yu

We study the one-band Hubbard model at half filling with hopping asymmetry and its effective model at finite but large U up to the second order of tmix/U. Two variational wave func…