Simple exact solutions of one-dimensional finite-chain hard-core Bose-Hubbard and Fermi-Hubbard models

Document Type

Article

Publication Date

12-15-2000

Abstract

Exact algebraic solutions of a one-dimensional finite-chain hard-core Bose-Hubbard model with nearest-neighbour interactions, which is related to a state-dependent nuclear pairing interaction with a nearest-state interaction approximation, are derived based on a simple algebraic approach. Further extensions to arbitrary spin cases and the corresponding Fermi-Hubbard model are also presented.

Publication Source (Journal or Book title)

Journal of Physics A Mathematical and General

First Page

9095

Last Page

9100

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