Report on 1901.08385v2

Abstract

We investigate a mechanism to transiently stabilize topological phenomena in long-lived quasi-steady states of isolated quantum many-body systems driven at low frequencies.We obtain an analytical bound for the lifetime of the quasi-steady states which is exponentially large in the inverse driving frequency.Within this lifetime, the quasi-steady state is characterized by maximum entropy subject to the constraint of fixed number of particles in the system's Floquet-Bloch bands.In such a state, all the non-universal properties of these bands are washed out, hence only the topological properties persist.

Locations

• arXiv (Cornell University) - PDF