Quantum Glass Phases in the Disordered Bose-Hubbard Model
Quantum Glass Phases in the Disordered Bose-Hubbard Model
The phase diagram of the Bose-Hubbard model in the presence of off-diagonal disorder is determined using quantum Monte Carlo simulations. A sequence of quantum glass phases intervene at the interface between the Mott insulating and the superfluid phases of the clean system. In addition to the standard Bose glass phase, …