Propagation of quantum correlations after a quench in the Mott-insulator regime of the Bose-Hubbard modelKonstantin V Krutitsky, Patrick Navez, Friedemann Queisser and Ralf SchützholdEPJ Quantum Technol., 1 1 (2014) 12DOI: https://doi.org/10.1140/epjqt12