Condensation transition and ensemble inequivalence in the discrete nonlinear Schrödinger equationGiacomo Gradenigo, Stefano Iubini, Roberto Livi and Satya N. MajumdarEur. Phys. J. E, 44 3 (2021) 29DOI: https://doi.org/10.1140/epje/s10189-021-00046-5