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A three-site Bose-Fermi ring with a few atoms

Caballero Benitez, Santiago; Ostrovskaya, Elena


We investigate a three-site ring system with a small number of ultracold, quantum degenerate bosons and fermions. By means of the exact diagonalization of the Bose-Fermi-Hubbard Hamiltonian, we show that the symmetry of the ground state configuration is a function of both the boson-boson and the inter-species interaction in the system. The phase diagram of the system, constructed by computing the exact two-body spatial correlations, reveals nontrivial insulating phases that exist even in the...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Journal of Physics B: Atomic, Molecular and Optical Physics
DOI: 10.1088/0953-4075/44/13/135301


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