English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Zendy Plus

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Zendy Tools

Zendy Open

In this paper, we study a one-dimensional boson system in a superlatticepotential.This system is experimentally feasible by using ultracold atomicgases,and attracts much attention these days. It is expected that the systemhas a topological phase called topological Mott insulator (TMI). We show thatin strongly-interacting cases, the competition between the superlatticepotential and the on-site interaction leads to various TMIs with non-vanishinginteger Chern number. Compared to hard-core case, the soft-core boson systemexhibits rich phase diagrams including various non-trivial TMIs. By using theexact diagonalization,we obtain detailed bulk-global phase diagrams includingthe TMIs with high Chern numbers and also various non-topological phases. Wealso show that in adiabatic experimental setups, the strongly-interactingbosonic TMIs exhibit the topological particle transfer, i.e., topologicalcharge pumping phenomenon, similarly to weakly-interacting systems. The variousTMIs are characterized by topological charge pumping as it is closely relatedto the Chern number, and therefor the Chern number is to be observed infeasible experiments.

Various Topological Mott insulators in strongly-interacting boson system in one-dimensional superlattice