1212.4637 (Dario Poletti et al.)

Emergence of glass-like dynamics for dissipative and strongly
interacting bosons    [PDF]

Dario Poletti, Peter Barmettler, Antoine Georges, Corinna Kollath

We study the dynamics of a strongly interacting bosonic quantum gas in an optical lattice potential under the effect of a dissipative environment. We show that the interplay between the dissipative process and the Hamiltonian evolution leads to an unconventional dynamical behavior of observables, such as local number fluctuations. In particular we show, both analytically and numerically, the emergence of an anomalous diffusive evolution at short times and, at long times, a glass-like dynamics dominated by rare events. This complex dynamics reveals information on the level structure of the strongly interacting gas.

View original: http://arxiv.org/abs/1212.4637