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cond-mat.str-el2009★ 41 cited
Critical properties of the band-insulator-to-Mott-insulator transition in the strong-coupling limit of the ionic Hubbard model
L. Tincani, R. M. Noack, D. Baeriswyl
We investigate the neutral-to-ionic insulator-insulator transition in one-dimensional materials by treating a strong-coupling effective model based on the ionic Hubbard model using…
cond-mat.str-el2006★ 64 cited
Entropic analysis of quantum phase transitions from uniform to spatially inhomogeneous phases
Ö. Legeza, J. Sólyom, L. Tincani +1
We propose a new approach to study quantum phase transitions in low-dimensional fermionic or spin models that go from uniform to spatially inhomogeneous phases such as dimerized, t…