Dynamically induced many-body localization

Abstract

We show that a quantum phase transition from ergodic to many-body localized (MBL) phases can be induced via periodic pulsed manipulation of spin systems. Such a transition is enabled by the interplay between weak disorder and slow heating rates. Specifically, we demonstrate that the Hamiltonian of a weakly disordered ergodic spin system can be effectively engineered, by using sufficiently fast coherent controls, to yield a stable MBL phase, which in turn completely suppresses the energy absorption from external control field. Our results imply that a broad class of existing many-body systems can be used to probe non-equilibrium phases of matter for a long time, limited only by coupling to external environment.

5 pages, 3 figures

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Cited by in corpus (11)

• Statistical Mechanics of Floquet Quantum Matter: Exact and Emergent Conservation Laws
• Suppression of heating by long-range interactions in periodically driven spin chains
• Two-level systems with periodic $N$-step driving fields: Exact dynamics and quantum state manipulations
• Floquet-induced localization in long-range many-body systems
• Many body localization in the presence of a central qudit
• Dynamical enhancement of symmetries in many-body systems
• Tower of quantum scars in a partially many-body localized system
• Tower of two-dimensional scar states in a localized system
• Robustness of the Floquet many-body localized phase in the presence of a smooth and a non-smooth drive
• Effective dynamics and quantum state engineering by periodic kicks
• Floquet dynamics of disordered bands with isolated critical energies