%0 Journal Article %A Giulia Basti %A Serena Cenatiempo %A Benjamin Schlein %T A new second-order upper bound for the ground state energy of dilute Bose gases %J Forum of Mathematics, Sigma %D 2021 %V 9 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1017/fms.2021.66/ %R 10.1017/fms.2021.66 %G en %F 10_1017_fms_2021_66