Out-of-Equilibrium Dynamics of the Bose-Hubbard Model
Figure 5
(a) Mean field energy in the superfluid state as a function of with the equiilbrium ground state indicated at (2); (b) solution of (65) as a function of time, compared to the equilibrium value of (dashed line) [96]. Adapted figure with permission from A. Altman and A. Auerbach, Phys. Rev. Lett. 89, 250404 (2002). Copyright 2002 by the American Physical Society.