Observation of a disordered bosonic insulator from weak to strong interactions
Disordered Systems and Neural Networks
2019-08-07 v1 Quantum Gases
Abstract
We employ ultracold atoms with controllable disorder and interaction to study the paradigmatic problem of disordered bosons in the full disorder-interaction plane. Combining measurements of coherence, transport and excitation spectra, we get evidence of an insulating regime extending from weak to strong interaction and surrounding a superfluid-like regime, in general agreement with the theory. For strong interaction, we reveal the presence of a strongly-correlated Bose glass coexisting with a Mott insulator.
Keywords
Cite
@article{arxiv.1405.1210,
title = {Observation of a disordered bosonic insulator from weak to strong interactions},
author = {Chiara D'Errico and Eleonora Lucioni and Luca Tanzi and Lorenzo Gori and Guillaume Roux and Ian P. McCulloch and Thierry Giamarchi and Massimo Inguscio and Giovanni Modugno},
journal= {arXiv preprint arXiv:1405.1210},
year = {2019}
}