Journal
EUROPEAN PHYSICAL JOURNAL B
Volume 68, Issue 3, Pages 427-433Publisher
SPRINGER
DOI: 10.1140/epjb/e2009-00056-0
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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 interspecies repulsion is increased. In particular, we analyze the low-energy quantum emulsion metastable states occurring at large values of the interspecies interaction, which are expected to prevent the system from reaching its true ground state. We argue a significant decrease in the visibility of the time-of-flight images in the case of these spontaneously disordered states.
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