Speaker
Description
Many-body localization impedes the spread of information encoded in initial conditions, blocking (or at least radically slowing) thermalization of an isolated quantum system. We examine the potential to tailor the growth of entanglement in the Fermi Hubbard model by tuning disorder in both the charge and spin degrees of freedom. We begin by expressing the Hamiltonian in terms of a set of optimally localized conserved quantities, and examine in detail the growth of entanglement entropy and its connection with the coupling between these local integrals of motion. We demonstrate how the strength of the disorder in charge and in spin controls the time scales seen in entanglement growth. We also show a shift in behaviour between the weakly and strongly interacting limit in which local integrals of motion lose their close association with Anderson localized single-particle states.
| Keyword-1 | many-body localization |
|---|---|
| Keyword-2 | entanglement |
| Keyword-3 | Fermi-Hubbard model |
