most citedCharge and spin gaps of the ionic Hubbard model with density-dependent hopping

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cond-mat.str-el2023★ 7 cited

Charge and spin gaps of the ionic Hubbard model with density-dependent hopping

Oscar A. Moreno Segura, Karen Hallberg, Armando A. Aligia

We calculate the charge gap and the spin gap of the ionic Hubbard chain including electron-hole symmetric density-dependent hopping. The vanishing of ()…