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cond-mat.str-el2009★ 20 cited
Momentum distribution of the insulating phases of the extended Bose-Hubbard model
M. Iskin, J. K. Freericks
We develop two methods to calculate the momentum distribution of the insulating (Mott and charge-density-wave) phases of the extended Bose-Hubbard model with on-site and nearest-ne…
cond-mat.str-el2009★ 43 cited
Strong-coupling perturbation theory for the extended Bose-Hubbard model
M. Iskin, J. K. Freericks
We develop a strong-coupling perturbation theory for the extended Bose-Hubbard model with on-site and nearest-neighbor boson-boson repulsions on ()-dimensional hypercubic la…