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Equilibration Dynamics of Strongly Interacting Bosons in 2D Lattices with Disorder
Mi Yan1, Hoi-Yin Hui1, Marcos Rigol2
1Department of Physics, Virginia Tech, Blacksburg, Virginia 24061, USA.
Abstract:
Motivated by recent optical lattice experiments [J.-y. Choi et al., Science 352, 1547 (2016)SCIEAS0036-807510.1126/science.aaf8834], we study the dynamics of strongly interacting bosons in the presence of disorder in two dimensions. We show that Gutzwiller mean-field theory (GMFT) captures the main experimental observations, which are a result of the competition between disorder and interactions. Our findings highlight the difficulty in distinguishing glassy dynamics, which can be captured by GMFT, and many-body localization, which cannot be captured by GMFT, and indicate the need for further experimental studies of this system.
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