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Armenian Journal of Physics=Ֆիզիկայի հայկական հանդես
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Title:
Nearest-Neighbor Tunneling Ansatz in the Bose-Hubbard Model
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Uncontrolled Keywords:
recurrence-relation ansatz ; density correlations ; particle indistinguishability/distinguishability
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Abstract:
A recently introduced recurrence-relation ansatz applied to the Jaynes-Cummings-Hubbard model is here applied to the Bose-Hubbard model that reduced the model to an easily soluble model. The results obtained for the two-point density correlations resemble somewhat those obtained recently also but in a much more complicated fashion. Our ansatz may be of value for the solution of many-body quantum mechanical problems.