Author(s): M. Hafez, S. A. Jafari, Sh. Adibi, and F. Shahbazi
In our earlier work [M. Hafez et al., Phys. Lett. A 373, 4479 (2009)] we employed the flow equation method to obtain a classical effective model from a quantum mechanical parent Hamiltonian called, the ionic Hubbard model. The classical ionic Hubbard model (CIHM) obtained in this way contains solely...
[Phys. Rev. B 81, 245131] Published Tue Jun 29, 2010
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