Deng, Xiaolong; Citro, Roberta; Orignac, Edmond; Minguzzi, Anna; Santos, Luis
(Bristol : IOP Publishing Ltd., 2013-04-26)
Ultra cold polar bosons in a disordered lattice potential, described by the extended Bose-Hubbard model, display a rich phase diagram. In the case of uniform random disorder one finds two insulating quantum phases-the ...