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cond-mat.other2008★ 11 cited
Unconventional quantum phases of lattice bosonic mixtures
P. Buonsante, S. M. Giampaolo, F. Illuminati +2
We consider strongly interacting boson-boson mixtures on one-dimensional lattices and, by adopting a qualitative mean-field approach, investigate their quantum phases as the inters…
cond-mat.other2008★ 105 cited
Theory of ground state factorization in quantum cooperative systems
S. M. Giampaolo, G. Adesso, F. Illuminati
We introduce a general analytic approach to the study of factorization points and factorized ground states in quantum cooperative systems. The method allows to determine rigorously…