Unconventional quantum phases of lattice bosonic mixtures
Other Condensed Matter
2009-09-29 v2 High Energy Physics - Lattice
Atomic Physics
Quantum Physics
Abstract
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.
Cite
@article{arxiv.0807.4534,
title = {Unconventional quantum phases of lattice bosonic mixtures},
author = {P. Buonsante and S. M. Giampaolo and F. Illuminati and V. Penna and A. Vezzani},
journal= {arXiv preprint arXiv:0807.4534},
year = {2009}
}
Comments
10 pages, 2 figures - to appear in the topical issue on "Novel Quantum Phases and Mesoscopic Physics in Quantum Gases" of the European Physical Journal B (2009)